REFLECTOR: Franklin Enging Mount

[mike deeter]

I ground a groove in my alternator mount (it's pretty
easy since it's aluminum) and haven't had any trouble.

Mike Deeter
Franklin IVO, RGE, N2011P


--- Laurence Coen <lwcoen at hotmail.com> wrote:

> Hiroo,
> 
> My arm is also ground to clear the mount.  I also
> had the same problem with the exhaust pipe.  I
> returned it to the factory and they modified it for
> free.
> 
> Larry Coen
> 
>   ----- Original Message ----- 
>   From: Donald Royer 
>   To: Velocity Aircraft Owners and Builders list 
>   Sent: Friday, February 11, 2005 5:39 PM
>   Subject: RE: REFLECTOR: Franklin Enging Mount
> 
> 
>   The installation instructions that came with my
> factory Franklin mount called for grinding the arm
> to clear the mount. I did so and have not had any
> trouble with it. I had more trouble with the right
> side factory supplied forward facing exhaust pipe
> striking the engine mount. 
> 
>   Don
> 
> 
>     ----- Original Message ----- 
>     From: Hiroo Umeno 
>     To: Velocity Aircraft Owners and Builders list
>     Sent: 2/11/2005 2:40:56 PM 
>     Subject: REFLECTOR: Franklin Enging Mount
> 
> 
>     While having N21HV inspected and cleaned up, an
> A&P pointed out a potential problem with the factory
> supplied Franklin engine mount.  He has pointed out
> that the alternator mounting arm comes in contact
> with one of the support structure for the engine
> mount.  He is concerned about the engine vibration
> damaging the mount over time.  I remember discussing
> this with someone who suggested grinding the arm to
> clear the mount.  Has anyone who has done the
> Franklin installation seen this issue?
> 
> 
> 
>     Aside from grinding the arm, another thing I can
> think of is to shim the engine ¼" or so to give a
> little clearance.  Would that affect the flying
> characteristics of the plane since the thrust line
> will be very slightly higher?  I am doubting this
> since the engine mount location on the firewall was
> not an exact science to start out with.
> 
> 
> 
>     Any voice of experiences out there?
> 
> 
> 
>     Hiroo
> 
> 
> 
>
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=====
*******************************************
Mike Deeter
N2011 Test Pilot
iguanamagic at yahoo.com
http://iguanamagic.siegesmund.org
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