Hangar 9 85cc Sukhoi SU-26MM Assembly Manual page 27


Step G
Remove the covering from the bottom of the fuselage and
cut the stringers as shown. Repeat Steps D through F to
seal the covering around the opening. This is necessary to
allow cooling air to pass through the fuselage to cool the
canister muffler.

Step H
Remove the material from the cowling to clear the exhaust
system and to provide cooling air to pass over the engine.
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