Hatch latches and canopy mounting

[Jim Ivey]

 Guys
To keep down canopy rattle due to vibration,etc, just rub a thin layer of silicon rubber around the mating inside edges of the canopy. Use clear RTV.This cuts down the looseness and noise from the canopy.
Where credit due, tip came from Tony Stillman.

Jim Ivey
> 
> From: Bob Kane <getterflash at yahoo.com>
> Date: 2004/12/02 Thu PM 10:37:46 EST
> To: discussion at nsrca.org
> Subject: Hatch latches and canopy mounting
> 
> My El Nino has completed it's third season. The canopy
> is held in with 2 dowels in the front and a 4-40 screw
> in the back. Originally the front dowels were carbon
> rods into glass/balsa, and they wore rather quickly. I
> replaced the carbon tubes with a birch dowel, opend up
> the holes and glued some 6-32 WellNuts (cut down to
> roughly 1/4" in length) into the hole. The rubber
> WellNuts eliminated wear and help dampen noise. The
> chin cowl on this plane is held in place with 4-40
> steel pins in the front and Hatch Latches in the rear,
> both going into plywood. I find both the front holes
> and the holes for the hatch latches wear due to
> vibration.
> 
> I have been so impressed with the wear-free
> performance of the dowels in the WellNuts, I am
> mounting both the chin cowl and canopy of my new
> Temptation using this method. The next K-Factor will
> have some pictures of the chin cowl mounting system,
> the one after that will have pictures of the canopy
> mount.
> 
> If you are not familiar with WellNuts, they are kind
> of a rubber version of an expanding drywall fastener.
> I remove the part with the machine nut molded in to
> save some weight since it is not used. 
> 
> =====
> Bob Kane
> getterflash at yahoo.com
> 
> 
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