#638HDRS 90 deg HD Pneumatic Nose Retract Robostrut Ready
90 degree Heavy Duty RoboStrut Ready Rail Mount Nose Retract Mechanism Only (each)
These 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 trunions, these gear will accommodate a 1/2" dia. RoboStrut or a custom made 5/8_ã? dia. 4130 alloy steel tubular RoboStruts. They offer long dependable service for large aircraft flying off grass or paved runways. Powered by a 5/8_ã? bore triple sealed Robart air cylinder, all of these units feature positive up and down locks. Easily adjusted for toe-in with a _ã–split-lock_ã? trunion.
(Robart Air Control Kit RequiredÔ_Ô_ Sold Separately)