Main frame 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 aluminum), also anodized to guarantee correct protection against oxidation/corrosion.
Exclusive Spindle
Electron Classic Retracts
Conventional spindle
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 aluminum, both offering a winning combination to reduce friction coefficient and increase performance.
Unparalleled performance
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.
Multiple possibilities
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.
Classic Retracts
| MODEL | ER-30 Classic | ER-40 Classic | ER-50 Classic |
|---|---|---|---|
| Max. weight model | 8 kg (17 lb) | 17 kg (38 lb) | 30 kg (66 lb) |
| Weight (single retract) | 75 g | 140 g | 290 g |
| Operation Voltage | 7.4V (2SLIPO) | 7.4V (2SLIPO) | 7.4V (2SLIPO) |
| Torque (8V) | 14 kg.cm | 35 kg.cm | 100 kg.cm |
| Cycle time (8V) | 2 sec | 2 sec | 3,5 sec |
| Front Clamp version | Yes | Yes | Yes |
| Trunion Hole Diameter | 4 to 8 mm | 6 to 13 mm | 8 to 16 mm |
| Retraction angles | 85 to 100 degrees | 75 to 100 degrees | 75 to 100 degrees |

ER-30 Classic

ER-40 Classic Retracts

ER-50 Classic
We provide information, guides and videos to assure a correct installation and operation of our products. Additionally, our dedicated support team can offer assistance at any point of your build or setup as well as answering any queries along the way.




