This is a Robostrut Ready Tri Gear Set with 3/16" 90° mains,
5/32 wire 90° Rail Mount Nose, Robart 520W1 Retract Set with Air Kit.
FEATURES: The 520 Series Retract offers a high performance air up and
spring down.
Steerable nose gear
INCLUDES: 521W1 Retracts
Air kit:
-Small air tank
-Two 3/16" wire landing gear
-5/32" nose gear wire
-Control Valve
-Fill Valve
-Air Supply in fitting
-Three T-fittings
-Straight servo horn
-Orange air line
Instruction sheet
REQUIRES: Air pump (ROBQ2363)
Servo
Link rod assembly to the Control Valve
SPECS: Main Retracts: Length: 3-5/8" (92mm) including air cylinders
Width: 1-3/4" (45mm)
Depth: 1-1/2" (38mm)
Nose Retract: Length: 3-13/16" (97mm) including air cylinder)
Width: 1-3/4"