From: owner-krnet-l-digest@teleport.com[SMTP:owner-krnet-l-digest@teleport.com] Sent: Monday, November 17, 1997 10:30 PM To: krnet-l-digest@teleport.com Subject: krnet-l-digest V1 #171 krnet-l-digest Monday, November 17 1997 Volume 01 : Number 171 ---------------------------------------------------------------------- Date: Mon, 17 Nov 1997 14:24:54 -0800 From: Ross Youngblood Subject: Re: KR: Doug FIR Oscar, If you find a nice mill, I could use a length (2' or so) of 5/8 stock. Otherwise, the word from Steve Wolf in Creswell is that Wicks is a good Spruce supplier. (Steve Wolf built Sampson, and the Bee Gee racer replica. Big wooden radial monster airplanes that really move!). - -- Ross Oscar Zuniga wrote: > > >From: MikeTnyc@aol.com > >Date: Sun, 16 Nov 1997 01:45:29 -0500 (EST) > >To: krnet-l@teleport.com > >Subject: Re: KR: Doug FIR > >Reply-To: krnet-l@teleport.com > > > >>>Just though I would pass along that the DR-109, a fully aerobatic = > >>>aircraft rated at +-10g and sold through AS&S has Doug FIR spars! HA > > > >>Yeah, Mike- but what does it WEIGH? > >> > >>-Oscar "still planning to use fir" Zuniga > > > >A recent thread said that a Douglas Fir KR weighed about 15 lbs more, > which > >killed the idea for me. Then I saw on KROnline that someone built his > KR > >with DF and it weighed FOUR pounds more, which is more like it. Since > the > >weight difference per cubic foot is readily available, I guess these > widely > >varying number depend on estimating how much wood actually winds up in > the > >boat -- it's certainly not the same amount you get with the kit, but > how > >could you reliably measure it? > > > >Mike Taglieri > > > Hey, Mike- > > I think Marvin was referring to the SPARS, just the spars, being 4 lbs. > difference. If you take the whole wood kit (not the plywood), it is the > higher number. If you're going for max-light, not max-cheap, stay with > the spruce. However, interesting point Marvin makes for us Northwest > types- we can actually spend a few hours running around to a couple of > mills and find spruce maybe as easily as fir. Lots of little custom > mills up and down the I-5 corridor and the coast, and the amount of wood > we're talking about, even primo-select, could be had out of one good > find. I'm warming back up to spruce if I can find it and buy it same > cost as fir, or close to it. > > Oscar Zuniga > Medford, Oregon > > ______________________________________________________ > Get Your Private, Free Email at http://www.hotmail.com - -- Ross Youngblood Pager: (800)SKY-PAGE PIN#895-9073 Staff Technical Specialist voicemail: (800)538-6838 x 1632 Schlumberger SABER Bus Line: (541)714-1754 (Note Area code) Corvallis,Oregon Mailto:rossy@San-Jose.ate.slb.com ------------------------------ Date: Mon, 17 Nov 1997 14:39:25 -0800 From: Ross Youngblood Subject: Re: KR: Wing Skins? You want 1 BID layer over all the stub wing, and 4 BID from the Fwd Spar forward. 2BID top plus 2BID bottom = 4BID. This is what I did anyway, 1 BID aft of the fwd spar, and 2 BID top/bottom forward of this. If you want any wing-walk area, you might want more layers in that area too, I didn't, I just put some textured material over the AFT spar area after the topcoat, so I know where to put my big foot. Passengers? Well I will have to tell them to be careful. - -- Ross steveb@aviation.denel.co.za wrote: > > Hi Guys > Started looking at getting ready for skinning the wings this weekend. Confusion reigns. > > On page 75 of the RR manual, I get the idea that the inboard wing will have one layer between the main and rear spars(top & bottom) and 2 layers on the D box joined with an overlap on the leading edge & at the main spar. > Then on Pg 76 dealing with fillets I read " The entire stub wing should be now fully glassed with one layer overall,.... " Is this one layer that is joined at the LE or have I read something incorrectly? > Steve in South Africa > steveb@aviation.denel.co.za - -- Ross Youngblood Pager: (800)SKY-PAGE PIN#895-9073 Staff Technical Specialist voicemail: (800)538-6838 x 1632 Schlumberger SABER Bus Line: (541)714-1754 (Note Area code) Corvallis,Oregon Mailto:rossy@San-Jose.ate.slb.com ------------------------------ Date: Mon, 17 Nov 1997 14:41:25 -0800 From: Ross Youngblood Subject: Re: KR: Re: Finding Spruce on Your Own There is also Hemlock. Also check out Kitplanes magazine. I found a supplier in Colorado I think it was Penrose Aerodrome, but I know it was "somthing" aerodrome. They quoted me the spruce kit after I sent them a xerox of the last page with the list of pieces. They were pretty competitive, and I would have gone with them had I not found a kit in the crate locally. (This was in 1988). -- Ross MikeTnyc@aol.com wrote: > > > However, interesting point Marvin makes for us Northwest > >types- we can actually spend a few hours running around to a couple of > >mills and find spruce maybe as easily as fir. Lots of little custom > >mills up and down the I-5 corridor and the coast, and the amount of wood > >we're talking about, even primo-select, could be had out of one good > >find. I'm warming back up to spruce if I can find it and buy it same > >cost as fir, or close to it. > > Maybe you could pay for your project by selling spruce kits to the rest of > us? At any rate, the choices are not just spruce and Douglas Fir -- I also > see Eastern Spruce, which would let those of us around here do the same > thing. It weighs the same as Sitka Spruce. > > Mike Taglieri - -- Ross Youngblood Pager: (800)SKY-PAGE PIN#895-9073 Staff Technical Specialist voicemail: (800)538-6838 x 1632 Schlumberger SABER Bus Line: (541)714-1754 (Note Area code) Corvallis,Oregon Mailto:rossy@San-Jose.ate.slb.com ------------------------------ Date: Mon, 17 Nov 1997 14:50:31 -0800 From: Micheal Mims Subject: Re: KR: Auto Versus Av At 02:22 PM 11/17/97 -0800, you wrote: >I have to ask what a $100 hamburger is? A passenger? Or just what it >costs to taxi up to the Mcdonald's drive thru. > > -- Ross Its a term used to describe the act of flying to an outlying airport for the sole purpose of eating lunch or breakfast. ____________________________ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Micheal Mims Just Plane Nutts in Irvine CA http://home.pacbell.net/mikemims ------------------------------ Date: Mon, 17 Nov 1997 14:51:51 -0800 From: Ross Youngblood Subject: Re: KR: Aeropoxy Warning I always used those latex gloves ($11.00/box of 100) and my Sears Craftsman resperator when working with any epoxy. I had heard horror stories of folks developing reactions to the old stuff, and didn't want this to happen to me. Then later on, many epoxy were discovered to have nasty carcinogen causing TLA's in them (Three Letter Acronyms). Only on the last couple of layups... (this year), did I decide to go ahead and mix and use a batch without the resperator. I figured by now if I got a bad reaction, I could still finish. Aeropoxy is also supposed to be nice in this regard. "Gee your soaking in it! -- Madge" I spent a long time at the library trying to find information on epoxies... I looked under epoxy, fiberglass nothing, guess where I found stuff... PLASTICS! All kinds of books on how epoxies and other resin products are made. Talk about headaches... most of it gave me one. At any rate, all of this stuff is made from some really nifty chemicals. Smells great, but probably isn't good for you. So be careful, we don't want anyone getting messed up and a law getting passed so we cant buy it and play with these cool products in our garges anymore. -- Ross Micheal Mims wrote: > > Sports fans, I figured out something today. If I am exposed to Aeropoxy > long enough (on the bigger layups) I get a wicked headache about an hour or > two later! Just thought I would pass this along for those of you > considering various brands of epoxy. I never had any trouble with > Safe-t-poxy or EZpoxy but this Aeropoxy kicks my butt!!! > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > Micheal Mims > Just Plane Nutts in Irvine Ca. > mailto:mikemims@pacbell.net > http://home.pacbell.net/mikemims - -- Ross Youngblood Pager: (800)SKY-PAGE PIN#895-9073 Staff Technical Specialist voicemail: (800)538-6838 x 1632 Schlumberger SABER Bus Line: (541)714-1754 (Note Area code) Corvallis,Oregon Mailto:rossy@San-Jose.ate.slb.com ------------------------------ Date: Mon, 17 Nov 1997 14:54:41 -0800 From: Ross Youngblood Subject: Re: KR: Warp Drive prop warning I had heard other problems with Warp props on VW's in the past, perhaps this was the culprit. -- Ross BSHADR@aol.com wrote: > > KRNetheads: > > I was just skimming my Summer 1997 issue of EAA "Technical Counselor News" > and came across this Notice on VW Engines and Warp Drive Props: > > Warp Drive props of approx. 13 lbs on direct drive VW engines has caused > several failures of cranks including 4340 forged cranks. Seems to be a match > up problem between the engine and the prop. It has been shearing the prop > bolts. They go on to say that it is not a VW engine OR Warp Drive prop > problem, just a "match up" problem when using these two components together. > > > It did not say the crank failed, only the prop bolts - Still pretty serious > sounding to me. If you are, or plan on, using this combination, please look > into it further. > > Randy Stein > BSHADR@aol.com > Soviet Monica, CA - -- Ross Youngblood Pager: (800)SKY-PAGE PIN#895-9073 Staff Technical Specialist voicemail: (800)538-6838 x 1632 Schlumberger SABER Bus Line: (541)714-1754 (Note Area code) Corvallis,Oregon Mailto:rossy@San-Jose.ate.slb.com ------------------------------ Date: Mon, 17 Nov 1997 14:53:50 -0800 From: Ross Youngblood Subject: Re: KR: Video Everyone is invited to a big spa party after I get the engine started! I was working on the throttle/carb mount linkages Saturday, then I seem to have caught the FLU. Arrg! But I did get the garage cleaned, you would be suprised what a dog can do with a garbage bag and inspiration. -- Ross BSHADR@aol.com wrote: > > In a message dated 97-11-14 16:24:05 EST, Ross wrote: > > << If you keep this up I'm going to have to open a special KRNET bank > account so I can keep track of all the $10.00 checks I'm getting. >> > > Hey guy...Just trying to keep you in money so you can finish the "honey do" > projects. Got to keep the Mrs. happy. BTW, I'm glad you got the outdoor spa > done before we started raising the KRNet funds or you would have to make it > HUGE to fit all of us KRNetters in when we stop by in our converted school > bus... :-) > > Randy - -- Ross Youngblood Pager: (800)SKY-PAGE PIN#895-9073 Staff Technical Specialist voicemail: (800)538-6838 x 1632 Schlumberger SABER Bus Line: (541)714-1754 (Note Area code) Corvallis,Oregon Mailto:rossy@San-Jose.ate.slb.com ------------------------------ Date: Mon, 17 Nov 1997 17:48:41 -0600 From: "Mark Langford" Subject: KR: NLF fund hits $1030! AirfoilHeads, Well, we reached $980 of our $1000 wind tunnel fund target within 24 hours of my pathetic solicitation. It's a good thing, 'cause I only got $50 after that. Not that I'm complaining mind you, but we're still going to have to spend $150 dollars on actual test speciman creation, so if anybody feels left out, you're welcome to send $10, $20, or whatever you feel like helping with. To everybody that pledged to help with the wind tunnel fund, please send your checks to Steve at: Steve Eberhart New TEchnology Associates, Inc. P.O. Box 9227 Evansville, IN 47724 If you've already sent them to me, that's OK. I need some money to buy a transponder anyway... But seriously, one of the most important things I'm expecting out of this is not only a faster, more efficient airfoil, but a serious, credible stability analysis by experts in the field. This kind of expertise can shed lots of light on the sorts of issues that we keep arguing about here. Things like wing and tail incidence, come to mind. Steve says just as a baseline, a study of the stocker with RAF48 airfoil is in the works. This can only benefit us all. Steve also needs help constructing a jig fixture to hold the spars in perfect alignment while shaping the airfoil to the required .003" tolerances. If anybody feels like they could help out with some simple machine shop type work, contact Steve or me. We'll need two internal threads and two external threads cut into a 1.00" ID tube, a .50" ID tube, and the corresponding rods that fit inside them. We could haul them to a machine shop to have this done, but it would be more appropriate if a suitably equipped KRNetter volunteered to do it for us. We're on a tight schedule though, so be prepared to do it soon. Thanks to all who've contributed so far. You guys are helping blaze the trail to a better KR2S! Troy Petteway Ross Youngblood Oscar Zuniga John Esch Troy Johnson Randy Stein Richard Mole Rex Ellington Ron Lee Mark Lougheed Robert Covington Mark Langford Steve Eberhart So far we have $1030 in the kitty. I'm open to suggestions for the monument. So far Clark foam has been suggested. All options will be considered... Thanks again, Mark Langford, Huntsville, AL email at langford@hiwaay.net KR2S project construction at http://fly.hiwaay.net/~langford ------------------------------ Date: Mon, 17 Nov 1997 16:06:02 -0800 From: Ross Youngblood Subject: KR: Mike Mimms page Mike, Your page is GREAT! - --- If you havent' seen it lately check out http://www.pacbell.net/mikemimms - -- Ross - -- Ross Youngblood Pager: (800)SKY-PAGE PIN#895-9073 Staff Technical Specialist voicemail: (800)538-6838 x 1632 Schlumberger SABER Bus Line: (541)714-1754 (Note Area code) Corvallis,Oregon Mailto:rossy@San-Jose.ate.slb.com ------------------------------ Date: Mon, 17 Nov 1997 16:08:10 -0800 From: Ross Youngblood Subject: Re: KR: Outdoor spa Oscar Zuniga wrote: > FWIW- I finished reading the KR-2 construction manual last night. Also > hurt my eyes trying to see things that aren't clear in the little > black'n'white pix. Now I need to send off $75 for the -2S supplement > and do some more reading. > > Oscar Hey, I'm thinking it's time to send some photos/articles for KRONLINE to me and/or Randy, and we can fill out the Builder Tips section of KRNET. I've been playing with image maps, and you can click on the part of the KR you want to read about. I'm not really happy with the picture I'm using now, but I like the idea. Comments are welcome.... check it out at http://www.krnet.org/building_tips/tips.htm You will be disappointed to know that none of the chapters have anything in them... thats a KRNETTER job. Work on an article, and I will add it to the encylopedia. Just like Britanica does it. -- Ross Ross Youngblood Pager: (800)SKY-PAGE PIN#895-9073 Staff Technical Specialist voicemail: (800)538-6838 x 1632 Schlumberger SABER Bus Line: (541)714-1754 (Note Area code) Corvallis,Oregon Mailto:rossy@San-Jose.ate.slb.com ------------------------------ Date: Mon, 17 Nov 1997 19:10:18 -0600 From: John Roffey Subject: Re: KR: Auto Versus Av Ross Youngblood wrote: > > I have to ask what a $100 hamburger is? A passenger? Or just what it > costs to taxi up to the Mcdonald's drive thru. > > -- Ross > > Richard E. Parker wrote: > > > > With an aircraft that uses less than 4 gph and cruises a LOT faster than my > > Archer, I wouldnt let fuel costs worry me too much. One less $100 > > hamburger in the Archer will cover the diiference between Av and auto fuel > > over at least a year. > > > > AARP > > (the Association for the advancement of Richard Parker) > > > > -----Original Message----- > > From: John Roffey [SMTP:jeroffey@tir.com] > > Sent: Saturday, November 15, 1997 9:06 PM > > To: krnet-l@teleport.com > > Subject: Re: KR: Epoxy and fuel > > > > Hey Mike, is your avgas that cheap or the auto fuel that expensive? > > We are paying $2.25 in most places for 100LL and the car gas is $1.19. > > About half price for mojuice. Alot of folks in the 8GPH range with carbs > > are using auto fuel with sucess. > > I'm a long way from having to make that decision, but this is going to > > be my retirement plane and costs are going to be paramount in it's > > opperation at that time. > > Also Mike, do I remember you saying (posting) that you used T88 to build > > your wood? Did you use somthing else to glue the composite parts to the > > wood? > > John Roffey (ready to glue) > > jeroffey@tir.com > > > > ---------- > > -- > > Ross Youngblood Pager: (800)SKY-PAGE > PIN#895-9073 > Staff Technical Specialist voicemail: (800)538-6838 x > 1632 > Schlumberger SABER Bus Line: (541)714-1754 (Note Area code) > Corvallis,Oregon Mailto:rossy@San-Jose.ate.slb.com No Ross, a hundred dollar hamburger is one you and a friend had at a resturant one hour away by c182 at $85/HR and a $10 cab ride each way and two $2.50 burgers and two $2.50 cokes and then split the rent on the plane. Any one else this desperate for burgers, cokes or flying 182s. John Roffey jeroffey@tir.com ------------------------------ Date: Mon, 17 Nov 1997 19:22:00 -0600 From: John Roffey Subject: Re: KR: NLF fund hits $1030! Mark Langford wrote: > > AirfoilHeads, > > Well, we reached $980 of our $1000 wind tunnel fund target within 24 hours > of my pathetic solicitation. It's a good thing, 'cause I only got $50 > after that. Not that I'm complaining mind you, but we're still going to > have to spend $150 dollars on actual test speciman creation, so if anybody > feels left out, you're welcome to send $10, $20, or whatever you feel like > helping with. To everybody that pledged to help with the wind tunnel fund, > please send your checks to Steve at: > > Steve Eberhart > New TEchnology Associates, Inc. > P.O. Box 9227 > Evansville, IN 47724 > > If you've already sent them to me, that's OK. I need some money to buy a > transponder anyway... > > But seriously, one of the most important things I'm expecting out of this > is not only a faster, more efficient airfoil, but a serious, credible > stability analysis by experts in the field. This kind of expertise can > shed lots of light on the sorts of issues that we keep arguing about here. > Things like wing and tail incidence, come to mind. Steve says just as a > baseline, a study of the stocker with RAF48 airfoil is in the works. This > can only benefit us all. > > Steve also needs help constructing a jig fixture to hold the spars in > perfect alignment while shaping the airfoil to the required .003" > tolerances. If anybody feels like they could help out with some simple > machine shop type work, contact Steve or me. We'll need two internal > threads and two external threads cut into a 1.00" ID tube, a .50" ID tube, > and the corresponding rods that fit inside them. We could haul them to a > machine shop to have this done, but it would be more appropriate if a > suitably equipped KRNetter volunteered to do it for us. We're on a tight > schedule though, so be prepared to do it soon. > > Thanks to all who've contributed so far. You guys are helping blaze the > trail to a better KR2S! > > Troy Petteway > Ross Youngblood > Oscar Zuniga > John Esch > Troy Johnson > Randy Stein > Richard Mole > Rex Ellington > Ron Lee > Mark Lougheed > Robert Covington > Mark Langford > Steve Eberhart > > So far we have $1030 in the kitty. I'm open to suggestions for the > monument. So far Clark foam has been suggested. All options will be > considered... > > Thanks again, > > Mark Langford, Huntsville, AL > email at langford@hiwaay.net > KR2S project construction at http://fly.hiwaay.net/~langford Might be able to help out here Mark. What thickness on the tubing and what dia on the rods are you looking for? What thread do you want? How much thread (length) do you need? John Roffey jeroffey@tir.com ------------------------------ Date: Mon, 17 Nov 1997 17:28:00 PST From: "Oscar Zuniga" Subject: KR: NLF fund hits $1030!/monument >From: "Mark Langford" >To: >Subject: KR: NLF fund hits $1030! >Date: Mon, 17 Nov 1997 17:48:41 -0600 >Reply-To: krnet-l@teleport.com > > >So far we have $1030 in the kitty. I'm open to suggestions for the >monument. So far Clark foam has been suggested. All options will be >considered... > >Thanks again, > >Mark Langford, Huntsville, AL >email at langford@hiwaay.net >KR2S project construction at http://fly.hiwaay.net/~langford > Hey, Mark- What I envisioned is a 'monolith', like in "2001", except made of foam with carbon BID over it, no finish- just the weave in all its majesty, wetted out but unsanded- with the KRNet logo cut in, and a little spinning world globe running in oil-impregnated, bronze O*lite bearings (powered by a solar cell running a little motor like out of a disk drive or something; it would run forever). And in honor of Ken Rand, it could affectionately be termed "the Randy award", and could travel each year to whoever did the most to advance the design that year.:o) Nah... somehow that name just doesn't have a ring to it. Maybe Bob de la Cool Covington (who is an artist) will have an idea when he gets back to town. Oscar ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com ------------------------------ Date: Mon, 17 Nov 1997 21:21:19 -0800 From: Donald Reid Subject: Re: KR: Wing Skins2 ? steveb@aviation.denel.co.za wrote: > > Hi Guys > Those of you who have tricycle undercarriage. > What reinforcing was done on the wing skin to prevent stepping through > the wing when trying to get into the aircraft. > I was thinking of running two 3/32" plywood profiles between the spars > with plywood cross pieces. Then fibreglassing the stepping area with 2 > layers. > > Any comments? > steve in South Africa > steveb@aviation.denel.co.za I have the little wheel in the back (thoughts of real men and training wheels just crossed my mind) but I needed to reinforce the wing walk area. I used thee pieces of scrap 6mm birch on each side, each 2 inches apart and each about 5/8 inch high, glued to the front and rear spars. Two plies of 6 oz glass on the outside and two more on the inside. I weigh 240 pounds and it seems to be adequately strong. - -- Don Reid mailto:donreid@erols.com http://www.erols.com/donreid/kr_page.htm ------------------------------ Date: Mon, 17 Nov 1997 20:39:11 -0600 From: "Mark Langford" Subject: Re: KR: NLF fund hits $1030! John Roffey wrote: > Might be able to help out here Mark. What thickness on the tubing and > what dia on the rods are you looking for? What thread do you want? How > much thread (length) do you need? John, Basically it's a forward and an aft spar setup, both tubes being 33.485" long high strength steel. Forward spar is 1.75" OD with .125" walls, aft is 1.00" OD with .0625" walls. The inside ends of each of these tubes is threaded 4.5 inches deep with 1.5" and .75" threads, respectively. Into each of the four ends of these two spars is a matching steel rod with 4.5 inches of thread which when screwed in leaves 3.5-4.5 inches of non-threaded rod protruding. Maybe I better draw a picture later just to make sure. I was going to order the stuff from Shapiro's (unless you've got some laying around), but I could have it shipped straight to you. Thread pitch isn't specified so I guess it's up to us. Tolerance on this drawing is .010". Having looked this over again, we only need two threaded rods. One 1.50" and one .75". This apparently is mounted cantilevered by only two at a time, but then they flip it upside down and screw them into the other end. So there it is. Two tubes, threaded internally for 4.5 inches each end. Two rods to correspond to each of the two tubes, externally threaded for 4 inches, and protruding 3.5-4.5 inches. Clear as mud? I can fax you a drawing, or sketch one up and post it on my site. Whatdaya think? Mark Langford, Huntsville, AL email at langford@hiwaay.net KR2S project construction at http://fly.hiwaay.net/~langford - ---------- > From: John Roffey > To: krnet-l@teleport.com > Subject: Re: KR: NLF fund hits $1030! > Date: Monday, November 17, 1997 7:22 PM > > Mark Langford wrote: > > > > AirfoilHeads, > > > > Well, we reached $980 of our $1000 wind tunnel fund target within 24 hours > > of my pathetic solicitation. It's a good thing, 'cause I only got $50 > > after that. Not that I'm complaining mind you, but we're still going to > > have to spend $150 dollars on actual test speciman creation, so if anybody > > feels left out, you're welcome to send $10, $20, or whatever you feel like > > helping with. To everybody that pledged to help with the wind tunnel fund, > > please send your checks to Steve at: > > > > Steve Eberhart > > New TEchnology Associates, Inc. > > P.O. Box 9227 > > Evansville, IN 47724 > > > > If you've already sent them to me, that's OK. I need some money to buy a > > transponder anyway... > > > > But seriously, one of the most important things I'm expecting out of this > > is not only a faster, more efficient airfoil, but a serious, credible > > stability analysis by experts in the field. This kind of expertise can > > shed lots of light on the sorts of issues that we keep arguing about here. > > Things like wing and tail incidence, come to mind. Steve says just as a > > baseline, a study of the stocker with RAF48 airfoil is in the works. This > > can only benefit us all. > > > > Steve also needs help constructing a jig fixture to hold the spars in > > perfect alignment while shaping the airfoil to the required .003" > > tolerances. If anybody feels like they could help out with some simple > > machine shop type work, contact Steve or me. We'll need two internal > > threads and two external threads cut into a 1.00" ID tube, a .50" ID tube, > > and the corresponding rods that fit inside them. We could haul them to a > > machine shop to have this done, but it would be more appropriate if a > > suitably equipped KRNetter volunteered to do it for us. We're on a tight > > schedule though, so be prepared to do it soon. > > > > Thanks to all who've contributed so far. You guys are helping blaze the > > trail to a better KR2S! > > > > Troy Petteway > > Ross Youngblood > > Oscar Zuniga > > John Esch > > Troy Johnson > > Randy Stein > > Richard Mole > > Rex Ellington > > Ron Lee > > Mark Lougheed > > Robert Covington > > Mark Langford > > Steve Eberhart > > > > So far we have $1030 in the kitty. I'm open to suggestions for the > > monument. So far Clark foam has been suggested. All options will be > > considered... > > > > Thanks again, > > > > Mark Langford, Huntsville, AL > > email at langford@hiwaay.net > > KR2S project construction at http://fly.hiwaay.net/~langford > Might be able to help out here Mark. What thickness on the tubing and > what dia on the rods are you looking for? What thread do you want? How > much thread (length) do you need? > John Roffey > jeroffey@tir.com ------------------------------ Date: Mon, 17 Nov 1997 18:45:12 -0800 From: wolfpacks@juno.com (Linda & Paul Martin) Subject: Re: KR: Epoxy and fuel Hey Oscar! I resemble that "training wheel" comment :-) With the nose wheel I won't have to taxi like a sidewinder at Oshkosh next year. I hoped the "goo" would come out of my header tank easily. It wouldn't. The plane was parked for a couple years and had 1/4" of what looked like caramel candy on the bottom and 1/8" on the walls and top (inside) of the tank. The fiberglass felt strong after months of "goo" removal but I decided to build a new tank anyway. The old tank was a pre-fab unit (not from R.R. though) and held 24 gallons. The new one is shaped much smoother (no bump at the firewall) and holds 23 gals. I'm happy to report, no leaks. Paul M. Ashland, OR ------------------------------ Date: Mon, 17 Nov 1997 18:27:36 -0800 From: "John F. Esch" Subject: Re: KR: Video I will be there Ross John F. Esch Salem, OR Ross Youngblood wrote: > Everyone is invited to a big spa party after I get the engine started! > > I was working on the throttle/carb mount linkages Saturday, then I > seem to have caught the FLU. Arrg! But I did get the garage cleaned, > you would be suprised what a dog can do with a garbage bag and > inspiration. > > -- Ross > > BSHADR@aol.com wrote: > > > > In a message dated 97-11-14 16:24:05 EST, Ross wrote: > > > > << If you keep this up I'm going to have to open a special KRNET > bank > > account so I can keep track of all the $10.00 checks I'm getting. > >> > > > > Hey guy...Just trying to keep you in money so you can finish the > "honey do" > > projects. Got to keep the Mrs. happy. BTW, I'm glad you got the > outdoor spa > > done before we started raising the KRNet funds or you would have to > make it > > HUGE to fit all of us KRNetters in when we stop by in our converted > school > > bus... :-) > > > > Randy > > -- > > Ross Youngblood Pager: (800)SKY-PAGE > PIN#895-9073 > Staff Technical Specialist voicemail: (800)538-6838 x > 1632 > Schlumberger SABER Bus Line: (541)714-1754 (Note Area > code) > Corvallis,Oregon Mailto:rossy@San-Jose.ate.slb.com ------------------------------ Date: Mon, 17 Nov 1997 20:57:14 -0600 (CST) From: flesner Subject: Re: KR: Wing Skins? At 10:09 PM 11/16/97 -0800, you wrote: >At 07:17 AM 11/17/97, you wrote: >. " Is this one layer that is joined at the LE or have I read something >incorrectly? >>Steve in South Africa >>steveb@aviation.denel.co.za >> >> > >I haven't re-checked my plans but I my impression from them if I recall was >to glass the D section with one layer and then another layer from leading >edge to trailing edge. This gives you two layers on the D section and one >layer on the remaining stub. >~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >Micheal Mims >Just Plane Nutts in Irvine Ca. >mailto:mikemims@pacbell.net >http://home.pacbell.net/mikemims > > see page 75 and 76 of plans - number 10.12 and 10.16 You should end up with 4 layers around 6 inches of the lead edge, 2 layers back to the top of the forward spar, and one layer from top of forward spar to trail edge. I layed my glass up so the single layer rearward and the double layer forward are sandwiched at the forward spar giving me a three layer cap on the forward spar. Larry Flesner ------------------------------ Date: Mon, 17 Nov 1997 20:57:02 -0600 (CST) From: flesner Subject: Re: KR: Doug FIR weight SNIP - ---------------- > > Actually I do not know how much weight difference there is >between Spruce and Doug Fir. But Lester Palmer had an article in the KR >Newsletter about it. He stated that he and a friend each built their >KRs at the same time and he used Fir and his friend used Spruce. After >they had all of the wood cut up for each airplane they weighed each pile >and the difference was 4 lbs. For what its worth. > >Marvin McCoy >Seattle, WA. North end of boeing field >Mr.Marvin@worldnet.att.net >------------------------------ > > Everything you ever wanted to know about comparing Douglas fir and aircraft grade spruce can be found in one little book titled " EAA AIRCRAFT BUILDING TECHNIQUES - WOOD". ( 135 pages ) Right you are sawdust breath and it can be ordered from EAA for about $10 or so as I recall. Much other good info there also for no additional charge !!!!!! Also, check out the scale Corsair F4U on page 47 !!!!! You may decide to switch projects if you haven't already started. Hmmmmmm, maybe my next project.............. Larry Flesner ------------------------------ Date: Mon, 17 Nov 1997 18:48:19 -0700 From: jscott.pilot@juno.com (Jeffrey E Scott) Subject: Re: KR: AVgas, MOgas, and fuel leaks. On Mon, 17 Nov 1997 06:14:11 PST "Oscar Zuniga" writes: >Hi, Jeff- > >Do they oxygenate the mogas where you are? Also, since you're running a >C-85, how do you feel about running mogas in it? When you burn avgas, >is there any 80/87 available anymore, or do you use 100LL? > >Oscar > Oxygenation is not required in this city, but is in Albuquerque. One of our EAA chapter members regularly tests gasoline from several gas stations. The results are that sometimes we have alcohol and sometimes we don't. It's not predictable. I don't mind running mogas with the whopping 6.3 - 1 compression ratio of the C-85. This engine was originally certified to 72 octane avgas. Our only alternatives are mogas or 100LL. I usually opt for the avgas unless I am buying mogas at an airport where they can guarantee me that they aren't selling me alcohol. In the original post, I was using mogas from the gas station because our fueling facility was out of order. I probably won't in the future as I don't care to dissolve the gaskets out of the fuel tanks. - ------- Jeff Scott - Los Alamos, NM jscott.pilot@juno.com See N1213W construction and first flight at http://fly.hiwaay.net~langford/kjefs.html & http: //www.thuntek.net/~jeb/krpage.htm ------------------------------ Date: Mon, 17 Nov 1997 18:39:13 -0700 From: jscott.pilot@juno.com (Jeffrey E Scott) Subject: Re: KR: Warp Drive prop warning On Mon, 17 Nov 1997 02:49:09 -0500 (EST) BSHADR@aol.com writes: > >KRNetheads: > >I was just skimming my Summer 1997 issue of EAA "Technical Counselor News" >and came across this Notice on VW Engines and Warp Drive Props: > >Warp Drive props of approx. 13 lbs on direct drive VW engines has caused >several failures of cranks including 4340 forged cranks. Seems to be a match >up problem between the engine and the prop. It has been shearing the prop >bolts. They go on to say that it is not a VW engine OR Warp Drive prop >problem, just a "match up" problem when using these two components together. > > >It did not say the crank failed, only the prop bolts - Still pretty serious >sounding to me. If you are, or plan on, using this combination, please look >into it further. > >Randy Stein >BSHADR@aol.com >Soviet Monica, CA > The warp drive props are bad news on any direct drive four cylinder engine. The strong impulses (2 per revolution) of a direct drive 4 cylinder engine causes the blades to attempt to flex with the impulses. The carbon fiber blades simply do not flex in that direction and apply a tremendous amount of torque to the base of the blade and the prop hub. The solid carbon fiber blade of the Warp Drive prop is known for giving a crank a worse harmonic beating then a metal prop. A few years ago I was assisting an aquaintence in testing out a Warp Drive prop on an O-320 (with lower HP due to the altitude) mounted to a Mustang II. Although Warp Drive claimed there was no problem with their prop and that it was the ideal prop for his engine, they finally refunded his money after he cracked his 6th blade. That's right, "SIX" prop blade failures in the course of one summer! On the other hand, they do have a good maintenance record when used on soobs and other engines with a reduction unit. This is attributed to the smoother power delivered through a reduction unit (more less severe pulses per revolution). This type of maintenance history has been true for the Ivo prop as well as Warp Drive although the Ivo is a softer (not solid Carbon Fiber) blade and is more prone to blade failure and less prone to causing a crankshaft failure. I wouldn't recommend either prop for a direct drive anything, but wouldn't hesitate to use a Warp Drive on an engine with a reduction. I don't know how it would play with the cushions installed in the Great Plains direct drive unit, but suspect that Steve's unit may also be a good cure for this problem with the carbon fiber props. - ------- Jeff Scott - Los Alamos, NM jscott.pilot@juno.com See N1213W construction and first flight at http://fly.hiwaay.net~langford/kjefs.html & http: //www.thuntek.net/~jeb/krpage.htm ------------------------------ Date: Tue, 11 Nov 1997 22:08:15 -0500 From: Dennis Ambrose Subject: Re: KR: VW alum spinner for sale At 02:08 PM 11/10/97 -0500, you wrote: >KRNetheads: > >This was on the Dragon list: > >~~~~~~~~~~~~~~~~~~~~~~~~~ > >From:=A0=A0ksmith@interhop.net (Kevin & Valerie Smith) > >I have a 10" aluminium spinner and backplate off a VW/KR2 for sale if= anyone >is looking for one. I'm looking for $60.00 for it if anyone is interested. > >Can anyone tell me if the TEC prop hub bolt pattern is the same as the HAPI >pattern????? >Kevin S. >Alliston,Ont.,Canada >Dragonfly mk IIH, Hapi 1835 Kevin: I have a HAPI 1835 and I could measure the prop hub for you if you like. Regards Dennis (in Toronto) ;oD=20 ------------------------------ Date: Tue, 18 Nov 1997 00:54:29 -0500 (EST) From: MikeTnyc@aol.com Subject: Re: KR: The Doug Fir Horse/East meets West >Anyway, I personally will let this one die since the textbooks are very >clear on average weight difference, and it's no chore to have a builder >who has just had his spruce delivered to his shop WEIGH THE STUFF, then >apply the difference factor, to arrive at a rough difference. Actually, that wouldn't work either, because a good deal of the wood in the kit would wind up in the scrap bin or be used in making jigs, etc. that don't go into the plane. the only way to actually know how much the wood weighs would be: A. Weigh your wood kit before you start. B. Carefully weigh and record every single scrap that's used for anything other than the plane (including sawdust). C. Subtract "B" from "A." Since no one in his right mind would bother to do that, speculation on this topic can go on forever. . . . Mike Taglieri ------------------------------ Date: Mon, 17 Nov 1997 22:29:49 -0500 From: george bell Subject: Re: KR: Outdoor spa This is a multi-part message in MIME format. - --------------DA4AEAF7D3B196FED5E01FAF Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit The "Builder Tips" sectio is a great idea. I will be checking it frequently--god job!! George Bell Ross Youngblood wrote: > Oscar Zuniga wrote: > > > FWIW- I finished reading the KR-2 construction manual last night. Also > > hurt my eyes trying to see things that aren't clear in the little > > black'n'white pix. Now I need to send off $75 for the -2S supplement > > and do some more reading. > > > > Oscar > > Hey, > I'm thinking it's time to send some photos/articles for KRONLINE > to me and/or Randy, and we can fill out the Builder Tips section > of KRNET. I've been playing with image maps, and you can click on > the part of the KR you want to read about. > > I'm not really happy with the picture I'm using now, but I like > the idea. Comments are welcome.... check it out at > http://www.krnet.org/building_tips/tips.htm > > You will be disappointed to know that none of the chapters have > anything in them... thats a KRNETTER job. Work on an article, and > I will add it to the encylopedia. Just like Britanica does it. > > -- Ross > > > > Ross Youngblood Pager: (800)SKY-PAGE > PIN#895-9073 > Staff Technical Specialist voicemail: (800)538-6838 x > 1632 > Schlumberger SABER Bus Line: (541)714-1754 (Note Area code) > Corvallis,Oregon Mailto:rossy@San-Jose.ate.slb.com - --------------DA4AEAF7D3B196FED5E01FAF Content-Type: text/x-vcard; charset=us-ascii; name="vcard.vcf" Content-Transfer-Encoding: 7bit Content-Description: Card for George P. Bell Content-Disposition: attachment; filename="vcard.vcf" begin: vcard fn: George P. Bell n: Bell;George P. email;internet: gpbell@pacbell.net x-mozilla-cpt: ;0 x-mozilla-html: FALSE version: 2.1 end: vcard - --------------DA4AEAF7D3B196FED5E01FAF-- ------------------------------ End of krnet-l-digest V1 #171 *****************************