From: krnet-bounces@mylist.net To: John Bouyea Subject: KRnet Digest, Vol 347, Issue 275 Date: 7/16/2005 9:00:18 PM Send KRnet mailing list submissions to krnet@mylist.net To subscribe or unsubscribe via the World Wide Web, visit http://mylist.net/listinfo/krnet or, via email, send a message with subject or body 'help' to krnet-request@mylist.net You can reach the person managing the list at krnet-owner@mylist.net When replying, please edit your Subject line so it is more specific than "Re: Contents of KRnet digest..." Today's Topics: 1. Re: Canopy update / Miss all the gossip (Phillip Matheson) 2. Re: 4130 steel (Phillip Matheson) 3. Re: motivation (Phillip Matheson) 4. Re: New Photo (Phillip Matheson) 5. Re: ailerons (DENE COLLETT (SA)) 6. Re: RE KR structure (patrusso) 7. Re: RE KR structure (Dan Heath) 8. KR structure/fuselage glass (larry flesner) 9. epoxy pump (Scott Bailey) 10. Engine burps !! (Terry Teer) 11. Oshkosh KR forum (Mark Langford) ---------------------------------------------------------------------- Message: 1 Date: Sat, 16 Jul 2005 15:03:12 +1000 From: "Phillip Matheson" Subject: Re: KR>Canopy update / Miss all the gossip To: "KRnet" Message-ID: <01c501c589cf$23168080$c4b1dccb@StationW2k04> Content-Type: text/plain; charset="iso-8859-1" HI all. I have not been on the net for 6 weeks,( overseas) and still not at home( long story) my work computer has 900 KR emails on it, so I am trying to read them, and catch up. I have my Canopy now fitted, forward tilt, (Todd's. ) I fitted the struts last night and The pressure in the struts is too high, With carbon only around the front of the canopy, the pressure of the struts seems to pull the canopy thinner, and changes the fit to the front deck. The supplies have told me they can lower the pressure in them, sound the way to go.But at last it looks like a KR now, Congrats to all the new Flying KR's out there, More latter, after I have read 900 emails, and I will get to my web page soon. Thanks very much to , Mac McDonald, and Phil Spurr in the UK, and Serge in France, for taking the time to talk with me. Mac, in England, please email me, as I can not seem to get in contact with you. Phillip Matheson mathesonp@dodo.com.au Australia VH PKR See our engines and kits at. http://www.vw-engines.com/ http://www.homebuilt-aviation.com/ See my KR Construction web page at http://mywebpage.netscape.com/FlyingKRPhil/VHPKR.html Search the KRnet Archives at http://www.maddyhome.com/krsrch/index.jsp to UNsubscribe from KRnet, send a message to KRnet-leave@mylist.net please see other KRnet info at http://www.krnet.org/info.html ------------------------------ Message: 2 Date: Sat, 16 Jul 2005 15:38:55 +1000 From: "Phillip Matheson" Subject: Re: KR> 4130 steel To: "KRnet" Message-ID: <01c901c589cf$273de310$c4b1dccb@StationW2k04> Content-Type: text/plain; charset="iso-8859-1" Serge How did you go with the WAF? I ordered cut 4130 from a aircraft supplier in Australia, then just cut then to length, cleaned them, and drilled them. Phillip Matheson mathesonp@dodo.com.au Australia VH PKR See our engines and kits at. http://www.vw-engines.com/ http://www.homebuilt-aviation.com/ See my KR Construction web page at http://mywebpage.netscape.com/FlyingKRPhil/VHPKR.html Search the KRnet Archives at http://www.maddyhome.com/krsrch/index.jsp to UNsubscribe from KRnet, send a message to KRnet-leave@mylist.net please see other KRnet info at http://www.krnet.org/info.html ------------------------------ Message: 3 Date: Sat, 16 Jul 2005 16:09:57 +1000 From: "Phillip Matheson" Subject: Re: KR> motivation To: "KRnet" Message-ID: <01cc01c589cf$2a6ae010$c4b1dccb@StationW2k04> Content-Type: text/plain; charset="iso-8859-1" Larry your email 8/ June/ 05 You sure know how to make someone want to fly. I had a good trip to UK and Europe. But now trying to get back into the KR, plus all the other jobs around the house after 4 weeks away. Phillip Matheson mathesonp@dodo.com.au Australia VH PKR See our engines and kits at. http://www.vw-engines.com/ http://www.homebuilt-aviation.com/ See my KR Construction web page at http://mywebpage.netscape.com/FlyingKRPhil/VHPKR.html Search the KRnet Archives at http://www.maddyhome.com/krsrch/index.jsp to UNsubscribe from KRnet, send a message to KRnet-leave@mylist.net please see other KRnet info at http://www.krnet.org/info.html ------------------------------ Message: 4 Date: Sat, 16 Jul 2005 16:33:20 +1000 From: "Phillip Matheson" Subject: Re: KR> New Photo To: "KRnet" Message-ID: <01d801c589d0$42b79ea0$c4b1dccb@StationW2k04> Content-Type: text/plain; charset="iso-8859-1" You call that photo ugly, you have not seen me yet!!!!!!! Phillip Matheson mathesonp@dodo.com.au Australia VH PKR See our engines and kits at. http://www.vw-engines.com/ http://www.homebuilt-aviation.com/ See my KR Construction web page at http://mywebpage.netscape.com/FlyingKRPhil/VHPKR.html Search the KRnet Archives at http://www.maddyhome.com/krsrch/index.jsp to UNsubscribe from KRnet, send a message to KRnet-leave@mylist.net please see other KRnet info at http://www.krnet.org/info.html ------------------------------ Message: 5 Date: Sat, 16 Jul 2005 11:54:55 +0200 From: "DENE COLLETT (SA)" Subject: Re: KR> ailerons To: "KRnet" Message-ID: <00de01c589ec$94f1f820$b2a6fea9@dene> Content-Type: text/plain; charset="iso-8859-1" Hi Guys After reading the posts regarding aileron spars and the like, I thought it appropriate to let you know of another way to do it without using wood at all. As some of you know, I am involved with building Whisper motor gliders and as the designer is a friend of mine I was lucky enough to see how he built his. The wing of the Whisper is built much like the KR except that it has only one really strong glass spar. Where the ailerons were cut out all he did was 1) before glassing the wings he marked the aileron cutouts on the foam with a fine marker. 2) Placed a strip of peelply about 1.75" wide centred on these cutlines. 3) after wingskins have cured the ailerons were cut out on these cutlines leaviing half the peelply on the wing and the other half on the aileron. 4) The peelply was then ripped out takink with it most of the foam between the skins to the depth of the peelply. 5) After sanding the foam smooth the "C" section was then glassed with BID at 45deg. 6) The upper skin which was to receive the extruded piano hinge was thickened by adding extra layers to the top skin inside the "C" section untill the hinge no longer protruded above the wing contour. After curing the hinge was fastened with countersunk AN rivets (I think). The aileron was given the same treatment. To remove the aileron, the pins were made removeable. Since the ailerons on the Whisper are only slightly longer than the KR's and the prototype Whisper has by now clocked up around 200 hours I see no reason why this method can not be adopted on the KR, mine will be done in this way. Comments?? I do have a picture here somewhere if anybody is interested. Regards Dene Collett KR2S builder South Africa mailto: dene.collett@telkomsa.net ----- Original Message ----- From: Lee Van Dyke To: KRnet Sent: Friday, July 15, 2005 7:18 AM Subject: KR> ailerons > Netters > > Per the plans, there is no glass wrapped around the rear portion of > the wing sealing the wood for the aileron. Am I correct???. Has anybody had a problem with that wood coming loose fron the foam?? > If you were me and wanted to secure the wood a little better, what > would be the easiest and best way to get it done??? > > Lee Van Dyke > Mesa AZ > Lee@vandyke5.com > _______________________________________ > Search the KRnet Archives at http://www.maddyhome.com/krsrch/index.jsp > to UNsubscribe from KRnet, send a message to KRnet-leave@mylist.net > please see other KRnet info at http://www.krnet.org/info.html > ------------------------------ Message: 6 Date: Sat, 16 Jul 2005 06:45:42 -0400 From: "patrusso" Subject: Re: KR> RE KR structure To: "KRnet" Message-ID: <001201c589f3$841257a0$1ba772d8@patrusso> Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original Is the original message from Chris or Joe? 1.8 dacron over the plywood??? I don't get it. Wouldn't you still have to seal and prime the plywood? Moisture could trap between dacron and plywood otherwise developing rot. And doesn't dacron require several coats of nitrate then several coats of silver UV protection and then finally several coats of butyrate just to assure a life span of a dozen years??? Nine to twelve coats of finish is about what the process is, which seems to me to be far more difficult than dealing direct with ply or a single layer of glass cloth. Pat ----- Original Message ----- From: "Joe Beyer" To: Sent: Friday, July 15, 2005 6:40 PM Subject: KR> RE KR structure > > > Message: 3 > Date: Thu, 7 Jul 2005 05:06:55 +1000 > From: "chris johnston" > Subject: KR> kr structiure > To: > Message-ID: <011501c5825d$e0e80a80$5f4e20cb@chris> > Content-Type: text/plain; charset="iso-8859-1" > > > >>The turtle deck does nothing significant from >>a structural point of view, except maybe add some rigidity to the boat >>section, > > It prevents the fuselage from twisting, adds torsional strength. > > > >>And, does anyone have any experience in using longer undercarriage >>legs than shown on the plans > > I desinged my own gear which is taller. Send an email and I can send a > jpeg > photo. > > >can you do >>away with the glass altogether. (The theory being people were building >>wooden aeroplanes long before fibreglass was invented) > > I used 1.8 oz. dacron on my wood which is tacked on with fabric cement > (poly > tack) around the edges and the fabric is heated with an iron to taughten > it > up. Then I used polybrush to seal it. That protects the bare wood. > > > _______________________________________ > Search the KRnet Archives at http://www.maddyhome.com/krsrch/index.jsp > to UNsubscribe from KRnet, send a message to KRnet-leave@mylist.net > please see other KRnet info at http://www.krnet.org/info.html ------------------------------ Message: 7 Date: Sat, 16 Jul 2005 06:52:55 -0400 (Eastern Daylight Time) From: "Dan Heath" Subject: Re: KR> RE KR structure To: Message-ID: <42D8E707.000021.02208@DANHOMECOMPUTER> Content-Type: Text/Plain; charset="iso-8859-1" I don't get it either. Don't need glass cloth or anything other than a good finish job on the plywood. Why make it more difficult than it already is? See you in Mt. Vernon - 2005 - KR Gathering See N64KR at http://KR-Builder.org - Then click on the pics There is a time for building and a time for FLYING and the time for building has expired. Daniel R. Heath - Columbia, SC -------Original Message------- 1.8 dacron over the plywood??? I don't get it. Wouldn't you still have to seal and prime the plywood? Moisture could trap between dacron and plywood ------------------------------ Message: 8 Date: Sat, 16 Jul 2005 07:29:16 -0500 From: larry flesner Subject: KR> KR structure/fuselage glass To: KRnet Message-ID: <3.0.6.32.20050716072916.0084ee90@pop.midwest.net> Content-Type: text/plain; charset="us-ascii" >I don't get it either. Don't need glass cloth or anything other than a >good finish job on the plywood. Why make it more difficult than it >already is? Daniel R. Heath +++++++++++++++++++++++++++++++++++++++++++++++++++++ In my case I'm thinking that using "deck cloth" glass to cover the fuselage made the job easier. Everyone speaks of covering/sealing the wood with "something" anyway. Why not add maybe 8 ounces of glass, eliminate probably more than that in weight for finishing, add some small amount of strength to the structure, eliminate a lot of finishing work, eliminate later cracking that will allow the wood to "breath", etc, etc, etc, Tony Bingalis recommends using it and so do I. The weave on the deck cloth is so fine that the only finish I needed on it was the primer and paint. If you're thinking of sealing the wood with epoxy, use the epoxy to wet out the deck cloth and save the weight of the filler you were going to use. I used the deck cloth as a finish over my wings and tail surfaces, over the KR cloth, to eliminate having to fill the weave of the KR cloth. If applied while the KR cloth is still "wet", the deck cloth will get half the resin it needs, or more, from the KR cloth. As always, your results may vary.......... Larry Flesner ------------------------------ Message: 9 Date: Sat, 16 Jul 2005 09:09:30 -0700 From: "Scott Bailey" Subject: KR> epoxy pump To: Message-ID: Content-Type: text/plain; charset="us-ascii" Does anyone know anything about a J&B Products adjustable ratio epoxy pump (model AR-100)? I acquired one without documentation and it looks like the manufacturer is no longer in business. I'd really like some info on it if I can dig some up. The only info I can find on the net up are posts dating back to the late '90's. Thanks - Scott Bailey ------------------------------ Message: 10 Date: Sat, 16 Jul 2005 20:29:52 -0500 From: "Terry Teer" Subject: KR> Engine burps !! To: Message-ID: <001001c58a6f$1a103580$94f54fd8@hppav> Content-Type: text/plain; charset="iso-8859-1" After asking a few questions and trying several good suggestions, I still have a "miss" in my engine. It is a Revmaster 2180 with POSA w/o mixture, Bendix D-2000 mags. Previously thought that it was a carb design issue but need to look elsewhere. On initial start up the plane starts and idles perfectly. Today we taxied to the other end of the field (4600 ft) and returned. Engine didn't miss until we got back about half way. It is just a "bump" in the engine. It doesn't stumble as in a fuel problem in my opinion. I can't make it do it. Sometimes it just quits altogether and restarts just fine. When I bought the plane the previous owner said that the stumble was a trait of the POSA and wasn't an issue at flying rpm. I'm just not so sure. Could there be an ignition issue that would cause this? I have not taxied on just one mag to single out that, but during a mag check they seem to function fine. It does seem to start after warming up. Oil temps of about 150. Checked the fuel line for a hot soak condition and was slightly warm. Hell, the exhaust pipes were barely hot!! Any more suggestions? Scared to fly Regards, Terry Teer Ackerman, MS ------------------------------ Message: 11 Date: Sat, 16 Jul 2005 21:51:27 -0500 From: "Mark Langford" Subject: KR> Oshkosh KR forum To: "KRnet" Message-ID: <139101c58a7a$6d60a2a0$1202a8c0@1700xp> Content-Type: text/plain; charset="iso-8859-1" For the last few years at the KR forum we've talked about how to build a KR, and it's getting a little old. I thought this year maybe we could have a "free-for-all" question and answer thing. If I can coerce enough KR pilots up front to field questions, I think we'll have a pretty interesting discussion on all kinds of stuff. This year there will be some new blood, in the form of Mark Jones, Bill Clapp, me, Joe Weber, and whoever else we can trick into getting out front and fielding questions. It's at 1:00 on Monday the 25th, in one of the forum "tents". I forget which one, but I'll figure it out when I get there, and you probably can too. Don't forget about Mark Jones' offer to cook burgers and brats at the Hartford airport ( http://www.airnav.com/airport/KHXF ) Sunday at lunch... Mark Langford, Huntsville, Alabama see KR2S project N56ML at http://home.hiwaay.net/~langford email to N56ML "at" hiwaay.net -------------------------------------------------------------- ------------------------------ _______________________________________________ See KRnet list details at http://www.krnet.org/instructions.html End of KRnet Digest, Vol 347, Issue 275 *************************************** ================================== ABC Amber Outlook Converter v4.20 Trial version ==================================