This is the Robart 638HDRSE 90° Heavy Duty Nose Retract.
Designed for R/C aircraft weighing up to 32lbs (14.5kg) flying off of
grass or paved runways
Heat treated alloy frames and trunions
Accomodates a 1/2" diameter RoboStrut, or a custom made 5/8" diameter
4130 alloy steel tubular RoboStrut
Easily adjusted for toe-in with a split-lock trunion
Robart 638HDRSE 90° Heavy Duty Nose Retract witn Parts List
Robart Electric Retract Control
Robart extensions from control board to retracts;
IMPORTANT, Robart electric retracts use a non-standard plug and
require the use of proprietary Robart extensions instead of
standard servo extensions. Please use the stock numbers below to
order the proper extensions. ROBM0177 177E12 12" ELC RTRCT SERVO EXT (qty 2) ROBM0178 177E12S 12" ELC RTRCT SERVO EX (qty 1) ROBM0179 177E24 24" ELC RTRCT SERVO EXT (qty 2) ROBM0180 177E24S 24" ELC RTRCT SRVO EXT (qty 1) *Note: The receiver and auxiliary battery inputs on the control
board use standard servo plugs.
Distance between Mounting Hole Centers: 1.7" (44mm) Width of Frame: 2.2" (57mm) Length of Frame: 4.5" (114.3mm)
– If you need more information, use these Robart resources –
Tower Hobbies Has Been Serving Hobbyists Since 1971 • Call 800-637-6050 or 217-398-3636
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