engine mount

[Rcmaster199 at aol.com]

Indeed it does. That's part of the point really. The flex is minimal and  
inconsequential.
 
MattK
 
In a message dated 12/11/2004 11:54:06 AM Eastern Standard Time,  
patterndude at comcast.net writes:

Matt,
My testing has shown that 1/8 ac ply will flex but not break.  The  larger 
fuses today are a bit more demanding of stiffnes in the firewall than  the 
skinny fuses of a few years ago.  Even a 1/8 ac ply firewall should  have at least 
one rib across the back. If made from lite ply it weighs  nothing.
--Lance

----- Original Message ----- 
From:  _Rcmaster199 at aol.com_ (mailto:Rcmaster199 at aol.com)  
To: _discussion at nsrca.org_ (mailto:discussion at nsrca.org)  
Sent: Saturday, December 11, 2004 9:31  AM
Subject: Re: engine mount



In a message dated 12/11/2004 8:14:38 AM Eastern Standard Time, 
_flyboy422 at juno.com_ (mailto:flyboy422 at juno.com)  writes:

Hi,

I'm building an Eclipse and was wondering  what can be done to stiffen
up the light firewall than comes with the  kit to support a Hyde A mount
so it doesn't flex? I'm running a  O.S.140

John


1/8" aircraft ply is plenty strong without any stiffeners in the  backside of 
the FW. The beauty of the Hyde and Hyde style mounts is that  there's 
relatively little energy transferred to the backplate. Most of the  energy is 
absorbed bythe rubber snubber. Good luck
 
MattK




 
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