4
E-flite Alpha Sport 450 PNP Assembly Manual
Installing the Main Landing Gear
Required Parts
Fuselage assembly Main landing gear
#4 steel washer (2)
4-40 x 3/8-inch socket head bolt (2)
Required Tools and Adhesives
Hex wrench or ball driver: 3/32-inch
Threadlock
1. Position the main landing gear on the bottom
of the fuselage as shown. The main gear has a
straight side and an angled side. The angled side
goes forward and the straight side aft. Slide a #4
steel washer on the two 4-40 x 3/8-inch socket
head bolts. The bolts go through the landing
gear and the blind nut that is installed inside the
fuselage. The landing gear is secured using two
bolts and washers. Tighten the bolts using a 3/32-
inch hex wrench or ball driver.
Use threadlock on all metal-to-metal fasteners
to keep them from vibrating loose.
Installing the Tail Surfaces
Required Parts
Fuselage assembly Elevator assembly
Rudder assembly
3mm x 50mm machine bolt
3mm locknut (3)
3mm steel washer (4)
Required Tools and Adhesives
Nut driver: 5.5mm Phillips screwdriver: #1, #2
1. Use a #1 Phillips screwdriver to loosen the
screws that secure the rudder and elevator pushrod
to the connectors at the servo. This will allow you to
move the pushrods without damaging the servos to
install the rudder and elevator assemblies.
2. Insert the bend in the elevator pushrod wire into
the outer hole of the elevator control horn.
3. Rotate the elevator into position, making sure
the pushrod wire for the rudder is on the top
side of the elevator.
4. Slide a 3mm steel washer on the 3mm x 50mm
machine bolt.