REFLECTOR:Flying without Cowl Fasteners

[Laurence Coen]

Scott,

I don't understand why your cowl screws are coming unscrewed.  I have been
flying a Cherokee 180 for 16 years and have yet to lose any of the lower
cowl screws.  These screws pass through the cowl and into a nut plate
mounted to the fuselage which is the same arrangement that is used on the
Velocity.  Is it possible that you have 10-32 nut plates and 8-32 screws?
Just a thought but I can't think of any good reason you are having this
problem.

Larry Coen
SE-RG/Franklin

----- Original Message -----
From: "Scott Derrick" <scott@tnstaafl.net>
To: <reflector@tvbf.org>
Sent: Monday, April 21, 2003 9:31 AM
Subject: REFLECTOR:Flying without Cowl Fasteners


> Is anybody actually flying without cowl fasteners where the cowl meets
> the fuselage?
>
> The plans call for a lip extended rearward from the fuselage that the
> cowl slides inside of.  Screws(through the fuselage lip) and captured
> nuts(on the cowl) are then installed about every 6 inches along this
> overlap.
>
> Some ,all non-flying or not-tested I guess, say they are not using any
> screws?  Merri says he has built a U shaped slot instead of just a lip
> for he cowls to slid into so he doesn't have to use screws.  This sounds
>   doable and secure.
>
> I'd really like to reduce the number of screws(uncaptured) used to hold
> the cowl on since they have a tendency to come un screwed during flight
> and put large nicks in the prop.
>
> I'd also like to use something that has some flight hours on it.
>
> Scott
>
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