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Pietenpol-List: Bellcrank question
Posted: Wed Jan 26, 2005 10:14 am
by matronics
Original Posted By: Les Schubert
Re: Pietenpol-List: Bellcrank question
Posted: Wed Jan 26, 2005 10:40 pm
by matronics
Original Posted By: "rod wooller"
Subject: Re: Pietenpol-List: Bellcrank questionRick,I believe the purpose of two holes on top, and two holes on the lower end of the bellcrank, is to offer redundency, in the event of a pin failure.Chuck G.________________________________________________________________________________
Re: Pietenpol-List: Bellcrank question
Posted: Wed Jan 26, 2005 11:16 pm
by matronics
Original Posted By:
I don't think any redundancy is gained by the use of four pins. If any oneof the four bellcrank pins breaks, elevator control is lost...you can't pusha cable.Counter-intuitively, having only two pins would reduce the theoreticalprobability of failure.Mike Hardaway----- Original Message -----
Re: Pietenpol-List: Bellcrank question
Posted: Thu Jan 27, 2005 12:00 am
by matronics
Original Posted By: Clif Dawson
Re: Pietenpol-List: Bellcrank question
Posted: Fri Jan 28, 2005 2:16 am
by matronics
Original Posted By: Les Schubert
Subject: Re: Pietenpol-List: Bellcrank questionIn a message dated 1/26/05 11:29:50 PM Central Standard Time, bike.mike(at)verizon.net writes:>Mike,Bernard Pietenpol was a master of design. If he put four pins in there, then there was some very good reason for it. Sometimes, the purpose of a design is not readily evident. The plane can certainly be flown if only one half of the elevators (flippers) is operational. Power setting can also be used for pitch control.Chuck G.________________________________________________________________________________Date: Fri, 28 Jan 2005 07:48:33 -0700
Pietenpol-List: Bellcrank question
Posted: Fri Oct 13, 2006 12:53 pm
by matronics
Original Posted By: "Rick Holland"