On 4/22/2021 12:21 PM, Jim Litchfield wrote:
Getting ready to install the plywood firewall and need additional info.
Should the plywood be cut a bit smaller than the actual size of the boat
framing to facilitate being able to make a smooth transition from fuselage
sides to the cowling sides ? What about where the glareshield meets the
back of the firewall ?
Also does the metal wrap around the edges of the plywood or just extend to
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
I'm sure you'll get as many opinions as you get replies so here is my
"opinion".
Plywood and metal flush with outside edges of fuselage and top of
fuselage. Inset / mount the cowl fasteners the thickness of the cowl so
the outside of the cowl matches the fuselage with the cowl butted up to
the fuselage. Use '"body work" to make the two surfaces match exactly.
Simple way to match is to tape the high side and the gap then fill the
low side and sand to match. If the mis-match is great enough simply add
a layer or two of 1" or 2" tape on the low side for additional strength
instead of just fill.
The most difficult part of the job is having a plan getting started.
Just do it. It will work out to one extent or another.
Larry Flesner
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