Install Engine, Fuel Tank & Throttle Servo - Hobbico SUKHOI SU31 .50-.91 ARF Assembly Instructions Manual

Hobbico sukhoi su31 .50-.91 arf model aircraft
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3. Slide the black nylon mounting flange onto the
tail wheel wire. Then bend the wire as shown.
4. Make a 90 degree bend 1" [25mm] from the
pivot point of the tail wheel wire.
5. Place the tail wheel assembly onto the bottom of
the fuselage and mark the location where the wire will
go through the rudder. Drill a 1/16" [1.6mm] hole into
the bottom of the rudder; slide the wire into the bottom
of the rudder. Drill a 1/16" [1.6mm] hole into the
fuselage through each of the mounting holes in the
nylon mounting flange. Secure the flange to the fuselage
with three 2 x 7mm [5/16"] sheet metal screws.
INSTALL ENGINE, FUEL TANK & THROTTLE SERVO
1. The top of the engine mount can be identified
by the angled bevel. Be sure when mounting the
engine in the following steps that you mount the
engine on the top of this rail.
2. Mount the engine to the two engine mount
halves. The distance from the front of the engine thrust
washer to the firewall should be 5-1/4" [133mm]. Place
the engine on one of the mounts. Mark the location for
the mounting holes onto the engine mount rail. On the
marks, drill through the rail with a 5/32" [4mm] drill.
Secure the engine to the rail with 4 x 25mm [1"]
machine screws and 4mm lock nuts. Do this for both
engine mount halves.
13

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