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Control horn installation – E-flite 4-Site F3P 250 ARF User Manual

Page 14

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14

E-flite 4-Site Assembly Manual

6. Use a #1 Phillips screwdriver and the two screws

provided with your motor to attach it to the firewall.

Work slowly to avoid applying too much pressure,

resulting in damage to your airframe.

7. Pass the motor wires through the slot in the front

of the fuselage. Connect the wires from the motor

to those of the speed control. The battery lead

from the speed control can now be passed to the

opposite side of the fuselage through the slot in the

fuselage as well.

8. Check the operation of the motor at this time.

It should rotate counterclockwise when viewed

from the front of the aircraft. If not, follow the

instructions provided with your speed control to

correct the situation.

Never check the motor rotation on the bench

with the propeller installed. The plane could

move and cause serious injury. Always check the

motor without the propeller to avoid injury.

9. Use foam-safe CA to glue the right lower

diagonal brace on the fuselage.

10. The speed control should be positioned

between the two braces as shown.

Control Horn Installation

Required Parts

Assembled airframe Depron control horn support

(4)

13/16 x 1/16-inch (20mm x 1mm) carbon rod,

control rod (4)

Required Tools and Adhesives

Foam-safe CA

Hobby knife

Felt-tipped pen

Low-tack tape

Ruler

T-pin



1. Use a ruler and felt-tipped pen to measure

and mark the four 13/16 x 1/16-inch (20mm
x 1mm) carbon rods 19/32-inch (15mm) from

the end of each rod.