[NSRCA-discussion] Elevator trim change

[Gray E Fowler]

No-the outer layer of woven fiberglass (or other material) will dominate 
since the modulus of the fiberglass is so much higher than any core 
material.The CTE may be a bit higher than I posted due to the fact that 
most planes are a low fiber volume. The unidirectional fiber pushrods are 
a near zero CTE.



Gray Fowler
Principal Chemical Engineer
Composites Engineering



"Lance Van Nostrand" <patterndude at comcast.net> 
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05/08/2006 07:57 PM
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Re: [NSRCA-discussion] Elevator trim change






Gray, do you think the CTE of the AeroSlave laminate would be different 
than the styrofoam laminate used by many others?
----- Original Message ----- 
From: Gray E Fowler 
To: NSRCA Mailing List 
Sent: Monday, May 08, 2006 10:51 AM
Subject: Re: [NSRCA-discussion] Elevator trim change


Fiberglass laminate CTE = 6 X10 -6/in/in/F 

CF pushrod CTE = 1 X 10 -6 /in/in/F  ....could actually be 0 if fiber 
vloume is > 58% an all uni fibers 






Gray Fowler
Principal Chemical Engineer
Composites Engineering 

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