Mailing Lijst flyrotary@lancaironline.net Bericht #43536
Van: Greg Ward <gregw@onestopdesign.biz>
Onderwerp: Re: [FlyRotary] Re: exhaust building
Datum: Thu, 24 Jul 2008 15:40:49 -0700
Aan: Rotary motors in aircraft <flyrotary@lancaironline.net>
It (H-25) fatigues early at lower temps.  That's why all the Nascar types have stopped using it, because they run around 1500 deg. or so, and got tired of spending about 5 times the money for header failures.
Greg
----- Original Message -----
From: Al Gietzen
Sent: Thursday, July 24, 2008 11:55 AM
Subject: [FlyRotary] Re: exhaust building

Iconel, on the

other hand is overkill.  It lives at 2000+ degrees, and doesn't like it at

lower temps, and will degrade, plus it's very expensive.

 

Brad;

 

Yes, inconel tolerates temps of 2000+, but explain what is “and doesn't like it at

lower temps”.  That sounds strange to me.

 

Al G

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