Mailing List flyrotary@lancaironline.net Message #5452
From: Ed Anderson <eanderson@carolina.rr.com>
Subject: Re: [FlyRotary] Re: Torsionals
Date: Thu, 22 Jan 2004 11:34:46 -0500
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
 Subject: [FlyRotary] Re: Torsionals
I agree with Al's characterization of Tracy's design approach
Ed

 

Jim;

 

I realize that these are relative terms, but my opinion is that Tracy’s re-drive would not be called “tight” tolerance.  There is; what – ˝ back and forth play at the prop tip?  As I recall, Tracy had given this some consideration, and chose to keep the relatively “loose” tolerance.

 

Al

 

Subject: [FlyRotary] Re: Torsionals

 

Ed,

Assuming (key word here) that Tracy's PSRU can be regarded as "tighter

tolerances", mightn't rubber bushings effectively "loosen" the tolerances and

get us INto more trouble than they get us OUT of?

Just wonderin' .... Jim S.

 

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