Brodhead Pietenpol Association

Original Posted By: "Mike Bell"
Subject: Re: Pietenpol-List: Fin offsetGaryHaven't you ever had to crank that a model on a date with a dead battery. That should tell you the direction of rotation. Corky, in A model countryBUT remember in an aircraft application the butt end is in front so the rotation is opposite from cranking.________________________________________________________________________________Subject: Re: Pietenpol-List: Entry Doors

Original Posted By: Christian Bobka
03/13/2001 11:47:39 AMI haven't seen the entry door plans. The discussion seems to indicatethat the necessary strength to make up for the cut longeron is comingfrom lower down in the fuse and consequently that stress has to betransmitted there. Also, being lower, this part must be stronger. Mythought, and I'll come up with at least one solution, is that thetension and compression on the longeron should be transmitted throughthe door(s), at the same location as the severed longeron. It needs areliable latch and only needs to be as strong as the longeron where itis cut. I think that it is simpler to understand the requiredstrength (how strong is the longeron) than to calculate the stresseswhen transmitted down to the middle of the fuse side and back.Additionally. the solution should be lighter and I think simpler.I'll throw out some ideas in a week or so. Anyone else, pleasecomment or shoot at this or best of all, suggest alternate solutions.We can collectively come up with several excellent and bettersolutions if the above premise is correct.ThanksMike________________________________________________________________________________Date: Tue, 13 Mar 2001 12:39:12 -0500