631RS 85deg retract w/o stru ROBART 631RS 85DEG RETRACT

631RS 85deg retract w/o stru ROBART 631RS 85DEG RETRACT 85 degree Pneumatic Main Retracts RoboStrut Ready Mechanisms Only (pair).

These series of pneumatic retracts are designed for R/C aircraft weighing up to 24 lbs.. Constructed with heat treated aluminum alloy frames and trunions. They offer long dependable service for large aircraft flying off grass or paved runways. Powered by a 1/2” bore triple sealed Robart air cylinder, all of these units feature positive up and down locks. Available in standard 90°, 85° Main Gear, and 90°, 95°, 100°, 105°, and 110° Nose Gear retract angles. The Nose Gear units are steerable with an steering arm and 1/4" pin to attach a strut. These gear are available for use with any 7/16” or 1/2” dia. RoboStrut.

Robart Air Control Kit Required - Sold Separately

If you are planning on using 7/16" diameter RoboStruts you will need to order a set of sleeve adapters (Robart #660SA).