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Step 4
Attach the engine to the firewall using four
1/4-20 x 1" bolts and four 1/4" split washers from the
inside of the firewall..
Note: Skip to Step 10 if using a Pitts-style
muffler, as the following modifications are only
required when using a canister-style muffler.
Step 5
Mark the former as shown. The area below and
between the engine box will be removed. Use a hobby
knife, rotary tool and saw to remove the area from the
sub firewall.
Step 6
Remove the covering 1/2” away from the sides of
the fuselage. Use a covering iron to iron the excess
material down into the fuselage. Remember to seal
the wood inside the fuselage to protect it from fuel
and exhaust.
Section 7B – Engine Installation: DA-50
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