Top Flite TOPA0706 - Manual (Page 17)

17
servo arm and check the operation. Apply a drop of
threadlocker to the pushrod and tighten the nut against
the clevis.
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23. The tail gear retract cover can be permanently
installed using CA glue or with screws. If CA glue is used
it will be diffi cult to remove the cover and access the
retract if needed. To install the cover with screws, tape
a piece of paper to the fuselage, fl ush with the edge
of the tail gear opening. Place marks 1/8" [3mm] from
the edge at the aft end, in line with the forward former
and in the center of the opening.
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24. Center the tail gear retract cover over the opening
and fl ush with the aft end of the fuselage. Tape it in
place. Drill 1/16" [1.6mm] pilot holes through the cover
and the fuselage at each mark.
❏
25. Remove the cover and enlarge only the holes
in the cover with a 3/32" [2.4mm] drill bit. Attach the
cover to the fuselage with #2 x 3/8" [9.5mm] sheet
metal screws and #2 washers. Harden the screw holes
with thin CA glue.
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26. On the full scale FW 190A-3 the tail wheel did
not retract fully into the fuselage. The amount of throw
can be adjusted by the position of the servo arm on
the servo or reducing the throw electronically on the
transmitter.
Fw 190 FACT
The Fw 190A-3 used the air-cooled BMW 801 D-2
engine which produced 1,677 hp. It had a ceiling
of 34,775 ft (10,599 m), a range of 497 miles (800
km) and a top speed of 418 mph (673 km/h). To
help cool the engine a 12 bladed cooling fan was
mounted behind the propeller, just inside the
front of the cowl.
INSTALL THE ENGINE
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1. The fi rewall has two sets of engine mounting bolt
patterns embossed on it. The “+” are for the Fuji ™ BT-
43EI-2 gas engine and the “X” are for the DA-50,DLE-55
and O.S ® . GT55 gas engines. If you are installing an
engine with a different mounting bolt pattern the fi rewall
also has crosshairs embossed on it to help locate the
correct mounting location.
❏
2. Drill a 13/64" [5mm] hole through the fi rewall at
each of the appropriate locations marked with an “X”
or “+”. Also glue together the required number of motor
spacers and drill 13/64" [5mm] holes through them. For
reference, the distance from the front of the fi rewall to
the front of the drive washer is 7-1/4" [184mm]. The DLE-
55 engine requires fi ve of the plywood engine spacers.