Top Flite TOPA0955 - Manual (Page 24)

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o 12 . Carefully cut the cowl to allow it to fit around the
muffler . You may be tempted to keep the opening in
the bottom of the cowl as small as possible by using a
remote starter . Please keep in mind that you do have
to have some area for the air to escape the cowl . If
you do not, you will most likely experience engine
overheating . Cutting the cowl as shown, we had no
overheating issues and there was adequate room for
the glow driver . Regardless of your engine choice,
you must leave an area for exit air of at least 6 square
inches [39 square centimeters] . The area around the
cowl is not sufficient for adequate cooling .
o 13 . Finish cutting any additional openings in the
cowl . The needle valve will most likely require an
extension to make adjustments from outside of the
cowl . See your engine manufacturer’s manual for
additional information .
INSTALL THE SCALE DETAILS
For all of the detail pieces it is important that you
lightly scuff the back side of the plastic with 220-grit
sandpaper to get good adhesion .
o 1 . Glue the air exhaust panels facing rearward
as shown . Carefully remove 1/16" [1 .6mm] of
covering from around the opening using the same
technique used earlier . Removing the covering will
provide a better glue bond . Do this for both sides
of the fuselage .
o 2 . Mark the location for the forward exhaust
scoops . Cut a small amount of covering away from
the fuselage and then glue the scoops in place .