Brodhead Pietenpol Association

Original Posted By: "coxwelljon"
TriScout wrote:> Yeah... it's lacking the cables that criss cross between the lift struts. I alreadybought the 'tangs' (that the strut attach bolts go thru) from AS&S forthe cables I will install. I was thinking that stainless flying wires might bebetter/stronger.... until I saw the pricing on it. Anything (cable) would bebetter than nothing.. I hope..> > LarryDillsburg Airplane works has aircraft cables for about 1/2 the price of AircraftSpruce. They are lubed as well. I am using 3/32" 7x19 galv. for all controlcables and 1/8" 7x19 galv. for flying wires. Dillsburg does not have a websiteso you have to call for price. They will send you a price list.Jon Coxwell--------Jon Coxwell GN-1 BuilderRecycle and preserve the planetRead this topic online here:http://forums.matronics.com/viewtopic.p ... ___Subject: Pietenpol-List: turnbuckles & blasting cabinet.

Original Posted By: "899PM"
I've just been lurking for awhile, but have made some progress that I thought Iwould share. (Building / rebuilding a GN-1 project.)The turn buckles in my project were huge. Our local DAR suggested they were goodfor a 737. I'll bet I have 10# if turnbuckles. I decided to change them alland looked at the AS price. Long story short I decided to build my own. Isaw a great light weight turnbuckle at Broadhead and decided to copy them withsome changes. Built a prototype and tested it today. I put 1250 pounds tensionuntil I reached the yield point of my testing beam and no damage to the turnbuckle.The prototype has 3/8" brass barrel and 3/16" ends with loop endswhich are braised. I am going to try stainless steel ends but fabrication maybe more difficult. I plan on about 20 of them if my count is correct and I haveabout $100 which includes 10/32 right and left hand taps and dies, in materialwhich will make twice that number. Clevises will be from used M-cycle chainside plates held together with 10/32 AN bolts. Photos attached. Lots of timebut certainly some cost savings.Another project which may be of interest is the sand blasting cabinet I made fromscrap odds and ends in the shop. I have $20 in it for a light and rubber glovesthe rest was stuff I had laying around. I think one could build one forunder $50 buying all new plus a $15 sand blasting gun from Harbor freight. The sand runs out into a 5 gal bucket through a boot made of house wrap, and isreused through a plastic tube connected to the gun. Needs 80 PSI to work withmy gun and I need to stop every 10 min. to let the home made compressor catchup. I built it to allow longer tubes to be fed in one end and out the other.Does a great job of cleaning up welds and taking off minor rust. Photos attached--------Jon Coxwell GN-1 BuilderRecycle and preserve the planetRead this topic online here:http://forums.matronics.com/viewtopic.p ... ttachments: http://forums.matronics.com//files/img0 ... ___Subject: Pietenpol-List: Re: turnbuckles & blasting cabinet.

Original Posted By: "Billy McCaskill"
Dan:For what it is worth, I use a bronze cam gear with steel crank and mag drive gearsthat also drive a fuel pump.I have cam bronze bearings and keep the cam from moving fore and aft with an adjustablebronze screw at the driven end. If the cam can move for and aft it willput undue wear on the cam gear.This engine has gone through hell and back, In 1998 I flew it from Oshkosh to Palmyrawith only a quart of water in the cooling system upon arrival Palmyra,Or one hours flight, It Dieseled upon shut down, over 212 Deg, F The next dayI flew to Brodhead and later back to Palmyra.The engine has never failed to thisday and is still pulling over over 80 HP.After disassembled completely it was perfect.Pieti LowellRead this topic online here:http://forums.matronics.com/viewtopic.p ... ___Subject: Pietenpol-List: Re: turnbuckles & blasting cabinet.

Original Posted By: "TOM STINEMETZE"
Jon,What material did you make the eye ends from, and did you undercut the middle ofthe shank on a lathe? And for the barrels, did you start with round stock orwith hex-shaped brass stock? I appreciate any details you can provide.--------Billy McCaskillUrbana, ILtail section almost done, starting on ribs soonRead this topic online here:http://forums.matronics.com/viewtopic.p ... ______Date: Thu, 30 Sep 2010 08:00:02 -0500

Original Posted By: "coxwelljon"
I think that Dan's issues with his Ford A motor are isolated and not representativeof the reliability of the A motors for Piet use. I don't recall anybodyelse having similar issues to Dan's, and I'm sure that he will get his problemsironed out and put behind him very soon. There are many Pietenpols flying with the Model A engine on them, and with goodreason. I don't think that the problems of one particular engine would be enoughto sway me from my decision to use it, if I were planning on using the ModelA. I'm planning on using a Corvair engine in mine, despite the few problemsa few people have had with their engines. The problems have been noted, researchedand addressed to the point that my confidence in this engine choice isnot diminished.--------Billy McCaskillUrbana, ILtail section almost done, starting on ribs soonRead this topic online here:http://forums.matronics.com/viewtopic.p ... ___Subject: Pietenpol-List: Re: turnbuckles & blasting cabinet.

Original Posted By: "Billy McCaskill"
Your redundant ignition system is what got you back home safely, Dan. I'd saythat you are just smart enough to err on the side of caution. I'm sure you'llhave your problems figured out soon enough...--------Billy McCaskillUrbana, ILtail section almost done, starting on ribs soonRead this topic online here:http://forums.matronics.com/viewtopic.p ... ___Subject: Pietenpol-List: Re: turnbuckles & blasting cabinet.