From: krnet-bounces+johnbou=speakeasy.net@mylist.net To: John Bouyea Subject: KRnet Digest, Vol 346, Issue 1 Date: 3/20/2004 11:53:21 AM 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: Re:KR>Balancing (Mark Langford) 2. Engine rebuild-high lift and short duration (Dan Heath) 3. Aileron Balancing (Dan Heath) 4. Trim Tab (Mark Jones) 5. Re: Re:KR>Balancing (gleone) 6. Re: Engine rebuild-high lift and short duration (larry severson) 7. RE: Re:KR>Balancing (Brian Kraut) ---------------------------------------------------------------------- Date: Sat, 20 Mar 2004 00:50:52 -0600 From: "Mark Langford" To: "KRnet" Subject: Re: Re:KR>Balancing Message-ID: <022401c40e47$afb0e850$1202a8c0@basement> References: <000001c40e45$a7e39a20$8289d141@ownerwam9o2stk> Content-Type: text/plain; charset="iso-8859-1" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Precedence: list Message: 1 Rick Meyer wrote: > Sounds basically a good plan, Mark. A couple notes for others: 1. > Take some care not to breathe the fumes when you play with melting > lead. I know that inhaled is much worse on the brain cells than > ingested (as from kids gnawing on windowsills painted with old > lead-based paint), and this sounds like it might qualify as "inhaled." > I melted lead like this long ago to cast a slug for a sailboat keel, > and that's been my excuse in the years since. We don't need a bunch of KR > pilots lowering their IQs. (Someone with medical expertise may > correct me, but I'm going to keep using this excuse anyway.) I didn't inhale. Really! > 2. I doubt that pouring epoxy in the tube before pouring the molten > lead in would have held it. In your case, you could just stick a > drift punch to the lead after it has cooled, thump it once or twice > with a hammer, repeat at the other end. Expanding the lead like that > to the form tube it should grip tight. Or, use copper tubing for your > form tube -- the lead will bond to that. I did exactly that, and just in case, it's also epoxied now, and so doubt it's going anywhere. > 3. Thinwall 4130? I know one gets in the habit of using the lightest > material that will work, but this is the obvious case when heavier is > not bad. If you have that thinwall around and want to use it, fine, > but wouldn't a length of 1/2" iron pipe have had more texture inside > and out for bonding inside to lead or outside to carbon fiber? Iron a > bit less dense than lead, you might have needed a few more inches > total. 'Course, the iron pipe could rust, so . . . Thin wall because I had some laying around, and because the thinner the wall, the more room for lead, and therefore the more effective per unit length. Since my ailerons are rather short (larger moment arm) I only had a finite amount of length for them. There's no side load on this thing, so I'm not worried about it sliding out either, especially through the "healed" aileron end caps. Mark Langford, Huntsville, Alabama N56ML "at" hiwaay.net see KR2S project at http://home.hiwaay.net/~langford ------------------------------ Date: Sat, 20 Mar 2004 07:08:49 -0500 (Eastern Standard Time) From: "Dan Heath" To: , "krnet@mylist.net" Subject: KR>Engine rebuild-high lift and short duration Message-ID: <405C3451.000001.02960@COMPUTER> References: <003301c40e44$caae6bd0$422ed445@ROBBINS1> Content-Type: Multipart/related; type="multipart/alternative"; boundary="------------Boundary-00=_P2JVQL80000000000000" MIME-Version: 1.0 Precedence: list Message: 2 --------------Boundary-00=_P2JVQL80000000000000 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Orma,=0D =0D When I built the engine for the Little Beast, I messed around with a lot = of cams and seem to remember that our engines turn slowly, compared to racin= g engines. For that reason, I remember something about long duration. I h= ope that Bob Hoover will chime in here, because he is the expert. If he does= n't I suggest that you check with him before doing the cam thing. Also, Ste= ve Bennett may have already figured this one out and you might want to check with him. =0D =0D See N64KR at http://KR-Builder.org - Then click on the pics=0D =0D Daniel R. Heath - Columbia, SC=0D =0D DanRH@KR-Builder.org=0D =0D See you in Mt. Vernon - 2004 - KR Gathering=0D =0D See our EAA Chapter 242 at http://EAA242.org=0D =20 --------------Boundary-00=_P2JVQL80000000000000-- ------------------------------ Date: Sat, 20 Mar 2004 07:18:11 -0500 (Eastern Standard Time) From: "Dan Heath" To: "krnet@mylist.net" Subject: KR>Aileron Balancing Message-ID: <405C3683.000008.02960@COMPUTER> Content-Type: Text/Plain; charset="iso-8859-1" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Precedence: list Message: 3 For those of you who are balancing your ailerons as shown in the plans, you might want to check out this page. The balancing part is near the bottom. http://kr-builder.org/Aileron/index.html Just click the pic. See N64KR at http://KR-Builder.org - Then click on the pics Daniel R. Heath - Columbia, SC DanRH@KR-Builder.org See you in Mt. Vernon - 2004 - KR Gathering See our EAA Chapter 242 at http://EAA242.org ------------------------------ Date: Sat, 20 Mar 2004 09:00:36 -0600 From: "Mark Jones" To: "KR Net" Subject: KR>Trim Tab Message-ID: <003701c40e8c$1abcaf00$6401a8c0@wi.rr.com> Content-Type: text/plain; charset="iso-8859-1" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: list Message: 4 Good Morning Netters, I have added a couple more photos to my elevator trim tab page. Here is = the link if you wish to take a look: http://mywebpage.netscape.com/n886mj/TrimTab.html Also, I would like to thank the great weather gods above as we are = reaching 50=B0 here today. Time to get some serious wing building done = so I can fly to the gathering. Mark Jones (N886MJ) Wales, WI USA=20 E-mail me at flykr2s@wi.rr.com Visit my KR-2S CorvAIRCRAFT web site at =20 http://mywebpage.netscape.com/n886mj/homepage.html ------------------------------ Date: Sat, 20 Mar 2004 08:59:42 -0700 (Mountain Standard Time) From: "gleone" To: , Subject: Re: Re:KR>Balancing Message-ID: <405C6A6E.00000A.02812@YOUR-FD6NVJCER4> References: <001c01c40e41$58054520$422ed445@ROBBINS1> Content-Type: Text/Plain; charset="iso-8859-1" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Precedence: list Message: 5 I do a lot of reloading and I cast a lot of lead. Your local tire shop is a very good source for lead and they may, as in my case, give it away. -------Original Message------- From: Orma Robbins; KRnet Date: 03/19/04 23:27:03 To: Allen G. Wiesner; KRnet Subject: Re: Re:KR>Balancing literally dirt cheap If you want lead real cheap, then go the the local gas station and pick up an old battery. drain the acid, wash out the case, cut the case, take out the lead, melt it down, take out the bits you don't want and pour the molten lead into what ever shape you want. As a kid we used to make fishing weights. Caution, lead is poison. Breathing the fumes can cause brain damage. Rather then mess with old lead spend the money and buy the lead shot. handle with gloves. Orma L. Robbins Southfield MI 19 Years flying KR-2 N110LR http://www.aviation-mechanics.com _______________________________________ to UNsubscribe from KRnet, send a message to KRnet-leave@mylist.net please see other KRnet info at http://www.krnet.org/info.html ------------------------------ Date: Sat, 20 Mar 2004 08:23:17 -0800 From: larry severson To: KRnet Subject: Re: KR>Engine rebuild-high lift and short duration Message-ID: <5.2.1.1.0.20040320082143.0288cd08@pop-server.socal.rr.com> In-Reply-To: <405C3451.000001.02960@COMPUTER> References: <003301c40e44$caae6bd0$422ed445@ROBBINS1> Content-Type: text/plain; charset="us-ascii"; format=flowed MIME-Version: 1.0 Precedence: list Message: 6 The VW shop looked at my setup. They said that the 120 degree cam would give me max torque at just under 4000 rpm. When I built the engine for the Little Beast, I messed around with a lot of >cams and seem to remember that our engines turn slowly, compared to >racing engines. For that reason, I remember something about long >duration. Larry Severson Fountain Valley, CA 92708 (714) 968-9852 larry2@socal.rr.com ------------------------------ Date: Sat, 20 Mar 2004 13:00:47 -0500 From: "Brian Kraut" To: "KRnet" Subject: RE: Re:KR>Balancing Message-ID: In-Reply-To: <405C6A6E.00000A.02812@YOUR-FD6NVJCER4> Content-Type: text/plain; charset="iso-8859-1" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Precedence: list Message: 7 I made cast ballance weights for my ailerons. I found that a good way to make a mold is to carve the shape you want out of foam then use it to make a plaster of paris mold. Be sure to let the plaster of paris dry a few hours then bake it in the oven for a while to be sure there is no moisture in it that will boil and crack the mold after you pour the lead. I used empty cat food cans on my gas stove to melt the lead so I wouldn't ruin any good pots. ------------------------------ _______________________________________________ See KRnet list details at http://www.krnet.org/instructions.html End of KRnet Digest, Vol 346, Issue 1 ************************************* ================================== ABC Amber Outlook Converter v4.20 Trial version ==================================