GREAT PLANES EP F-20 Tigershark ElectriFLy Instruction Manual - Page 7

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GREAT PLANES EP F-20 Tigershark ElectriFLy Instruction Manual

EDF FAN PREPARATION & INSTALLATION

This model uses the Great Planes ElectriFly Ammo 24-45-

3790 brushless in-runner motor (GPMG5185, included) and

the Silver Series SS-45 brushless ESC (GPMM1840, not

included)

❏

1. Use the included EDF fan instruction manual to assemble

and break-in the EDF fan unit. Do not install the rotor cone.

Use threadlocking compound on all screws. Before you glue

the EDF unit into your airplane, we recommend that you

check the fan and motor for proper operation. If there is a

problem it is much easier to take care of before the fan is

glued into the airframe. If you prefer, you can use double-

sided tape to hold your fan in place, but you will need to

recess the EDF channel in the fuse to accommodate the

thickness of the foam tape.

❏

2. Apply 30-minute epoxy or CA to the fan duct in the

recessed area where the EDF fan unit mounts. Mount the

fan in the model so that the ridges on the fan case drop

into the corresponding grooves in the fan duct. Mount the

motor so that the wires exit the motor and face the top of the

model. Allow the glue to fully cure. Note: During installation,

you may notice that the fan rotor's ﬂ ange makes contact with

the inner duct cone. This is normal and helps improve fan

efﬁ ciency. When you ﬁ rst run the motor on the plane, the

fan will seat itself in the foam. If you feel that the fan is too

tight against the inner duct cone, you may trim the duct cone

using a hobby knife before installation. Trim a little at a time

and check the ﬁ t.

❏

3. Cut the 2" [51mm] piece of hook and loop fastener

material in half so that you have equal amounts of material

to fasten your ESC and receiver in place. Stick one piece on

the back side of your ESC. Turn the model over and route the

ESC motor leads through the upper channel inside the fuse

and out into the motor bay.

❏

4. Connect the supplied motor lead extensions to the

motor wires. Refer to the instructions that came with your

ESC to correctly arm and operate the motor. Check the

direction of motor operation and that air is blowing out of the

back side of the EDF unit. If the fan is rotating backwards,

swap the position of any two motor leads and test the fan

rotation again. Use 1/4" [6.4mm] diameter heat shrink tubing

(not supplied) to secure each connection. If heat shrink

tubing is not available, you may wrap the connectors with

electrical tape.