This is a Pair of Scale Retracts for the Top Flite DC-3 Twin Engine Aircraft. They are designed to look and function much like their full scale counterparts on the real airplane. This retract unit has two front legs with scale-looking cross-braces, and hinged at the midpoint to allow the gear to fold up. The third leg is a Y-shaped part to stabilize and brace the gear in the extended position. Each leg has hinged mounting plates at the top and the retraction arm near the top of the left side main leg. FEATURES: Stamped and Tubular Steel Construction with Steel Hinge Pins Stainless Steel Retraction Cylinders made by Robart INCLUDES: Two Main Gear Units w/Two Air Cylinders REQUIRES: To make a fully functioning retract system requires the following ... Air Control Kit: ROBQ2302 Hand Pump: ROBQ2363 3¼" Wheels Linkage to connect retract cylinder to gear leg: 4-40 threaded rods: GPMQ3743 SPECS: Width: 2-1/8" Height (extended): 5-3/4" Axle Diameter: 1/8" COMMENTS: These retracts ARE NOT intended for use on the Kyosho DC-3 ARF Kit. However, an experienced modeler should have no trouble modifying this kit to accept these retracts. Among the modifications that will be required: 1: move throttle servo to top of wing 2: Raise and reinforce the main strut mount 3: Add reinforcement for the drag strut 4: Mount the retract cylinder 07/09/98 RDT ir/jl