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Robart - ROBQ0608 ROB608HD 608HD 758936608011 0758936608011
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Robart 90 Degree Mains 3/16" Wire Strut
Robart 90 Degree Mains 3/16" Wire Strut
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Tech Notes
This is a set of Robart 90 Degree Mechanical Main Retracts w/ 3/16" wire.
For .45-1.20 size gas powered models weighing 5-10 lbs (2.3-4.5kg).


Positive up and down locks
Tough glass-filled nylon construction
Light weight-5oz pair
3/16" Tempered steel gear legs
Mechanically operated with standard or "Retract" servos


Two main 90 degree retracts
Eight mounting screws
Installation instructions and spare parts list


Mounting to aircraft
2-56 threaded pushrod for operation
Approximately 1-1/8" of travel to operate retract from lock to lock
Possible cutting and bending of wire to proper length

SPEC: Total Length: 11-1/4" ( 286mm) closed, 11-1/8"(283mm) open
Width of base: 1-3/4" (44.45mm) x 1-3/4" (44.45mm)
On same side of retract, holes are 1-1/4" (31.75mm) center to center
Opposite side holes center to center: 1-11/32" (34.29mm)
Distance from edge of base to loop in closed position: 9/32" (8mm)
Distance from edge of base to loop in open position: 5/8"(16mm)
Diameter of loop: 21/32"(17mm)
Length of wire from loop: 8-1/2" (216mm)
Total height of base: 1-3/32" (27.94mm)
Thickness of mount lip: 3/32" (2.54mm)
Length of mount lip: 1-3/4" (44.45)
Width of base: 15/16" (24.13mm)
Height from bottom of base to center of control rod: 13/16" (21mm)


This retract operates with a 2-56 threaded pushrod. The pushrod
screws into the control arm and will push or pull the control arm
to operate the system.
For the Robart 90 Degree Mechanical Main Retracts w/ 3/16" wire,
order ROBQ0608
For the Robart Axle Adapter with 3/16" Axle for 3/16 wire struts,
order ROBQ0659


– 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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