85 degree Heavy Duty Pneumatic Main Retracts (pair) with JSM Dual Action Retract & Fill Valves and 3mm line. Obviously very little use. Tested by Firebrand so buy with confidence!
635 series heavy duty custom pneumatic retracts are designed for specific R/C aircraft weighing up to 32 lbs. These retracts are constructed the same as the standard 630 series retracts with heat treated aluminum alloy frames and trunnions, these gear will accommodate a 1/2" diameter or a custom made 5/8” diameter 4130 chrome moly steel tubular RoboStruts. They offer long dependable service for large aircraft flying off grass or paved runways. Powered by a 5/8” bore triple sealed Robart air cylinder, all of these units feature positive up and down locks. Under half the cost of replacement ex Robart. Firebrand carries Robostrut's, Air Tanks, Connectors etc. if required