Set of three ER-40 Classic landing gear retract mechanisms.
One of the retracts features an steering mechanism
An electronic controller is included and is mandatory for the use of the retracts.
CLASSIC RETRACTS
A legendary classic
The ideal retract for the ever popular model size.
ROBUST PRECISION
The strength of a Monoblock design
Other retracts are made of multiple pieces which makes them delicate and increases the opportunity of failure.
Our Monoblock main frame gives the system enormous robustness, and guarantees smooth, reliable operation, as well as great durability.
We milled main frame and parts from solid block of AW 7075 T6* (*Aeronautic grade aluminium), also anodized to guarantee correct protection against oxidation/corrosion.
BETTER PERFORMANCE
+25% improvement
Thanks to a thread developed by Electron Retracts, the square thread spindle generates a completely axial force, providing performance up to 25% more efficient than a conventional spindle.
The spindle of the classic models is made of brass, and the handle is made of aluminium, both offering a winning combination to reduce friction coefficient and increase performance.
UNPARALLELED PRECISION
In order to transmit thrust with the highest efficiency and stability, the spindle must be guided on both ends (1). This can only be achieved with a fixed (2), non-tilting design, something that until now, only Electron Retracts provides.
Thanks to the main frame design, the slider is protected at the end of its travel range 3), so the landing impact energy is completely transmitted to the frame, preventing any damage to the spindle and slider.
REVERSIBLE DESIGN
Depending on your specific model, it may need the retracts to fold back on themselves, or away from themselves. Thanks to our unique design, this can be achieved by simply removing the trunion and flipping it round. This procedure can be completed in minutes and does not affect the warranty.
Technical Specifications:
Max. Weight Model - 17kg (38lb)
Weight (Single Retract) - 140g
Operation Voltage - 7.4V (2S LiPo)
Torque (8V) - 35kg.cm
Cycle Time (8V) - 2 Sec
Front Clamp Version - Yes
Trunnion Hole Diameter - 6 to 13mm
Retraction Angles - 75 to 100 Degrees
Contents:
3x ER40 Classic retracts, with blind holes.
Cables and a battery connector.
Optional:
1x Electronic controller
Set of mounting screws / nuts