Black Widow Security BW 2800 Specifikace stáhnout pdf (Strana 14)

STEP 4: INSTALLING THE AIR TANK AND FILL VALVE

❑ Install the air tank into the back of the center fuselage pod, using the

plywood support provided.

❑ Install the ll valve onto the fuselage side, making sure to tighten the

mounting nuts securely.

❑ Connect the air lines from the retracts, air tank and ll valve to the

air control valve, using the diagram at left. Use quick-connectors on the

air lines to make it easy to connect the air lines when assembling the

airplane.

OPTIONAL LANDING GEAR DOOR INSTALLATION

STEP 1: HINGING THE MAIN LANDING GEAR DOORS

❑ Cut two notches 1/8" (3mm) wide on the hinge side of each main

landing gear door. Position one notch 1-3/4" (44mm) behind the front

edge of each landing gear door and one notch 2" (50mm) in front of the

rear edge of each landing gear door.

❑ Glue two hinges to each landing gear door, making sure that the

center of each hinge pivot point is centered with the edge of the landing

gear door.

❑ Glue one balsa block underneath each hinge mounting location on

the two fuselage booms.

❑ Drill a 1/8" diameter hole into the fuselage and through the balsa blocks

for the landing gear door hinges. Make sure to position the holes so that

the edge of each landing gear door is ush with the outside edge of the

fuselage booms. The holes will need to be right up against the edge of

the fuselage booms.

❑ Test-t and hinge the landing gear doors to the fuselage booms. When

aligned properly, the landing gear doors should be ush with the fuselage

booms when closed and they should pivot freely.



You may need to sand the outer edges of the doors

to prevent them from hitting each other when closed.

The air source is connected to the

middle nipple on the air control

valve.

The outer nipples on the air control

valve are for the UP and DOWN air

lines. It does not matter which one

is used for which purpose. The

only effect is that it changes which

position is up and which position is

down (which can be changed to the

pilot's preference by reversing the

retract switch on the transmitter).

The UP and DOWN air lines are

connected with "T" Fittings.

Fill Valve

Air Tank

Air Control

Valve

Nose Gear

Main Gear

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Black Widow Security BW 2800 Specifikace Strana 14

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