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Robart - ROBQ0641 ROB638HDRSE 638HDRSE 758936638117 0758936638117
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Robart 90 Degree HD Nose Robostrut Ready Electric
Robart 90 Degree HD Nose Robostrut Ready Electric
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Tech Notes
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)

jxs 07/15/13

– If you need more information, use these Robart resources –
Web Site:
Phone: 630-584-7616
  Postal Address:
625 N. 12TH STREET

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Accessories Needed

Accessories for the Robart 90 Degree HD Nose Robostrut Ready Electric

      Optional Accessories
  Special Stock Number Product Description Parts Saver Eligible Tower's
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 LXEKEE Robart Electric Retract Servo Extension 12" (2)
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9.69   In Stock
 LXEKEF Robart Electric Retract Servo Extension 12"
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6.79   In Stock
 LXEKEG Robart Electric Retract Servo Extension 24" (2)
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14.39   In Stock
 LXEKEH Robart Electric Retract Servo Extension 24"
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8.69   In Stock
Subtotal for this Group of Accessories: 39.56  

      Optional Accessories

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