Scorpion HK-4525 Shaft Kit XL (6mm 55mm)

Motor shaft Kit HK-4525 6x55 mm, perfect length for Logo 700 Helicopters

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scorpion-power-systems.pngHK-4525 Shaft Kit XL / Motorwelle (6mm 55mm)

The Scorpion HK-4525 motors are built with 10mm hardened steel shafts that will last through countless hours of flying fun, but occasionally, on a "Less than Perfect" landing, you may bend or break one. For these occasions, we offer factory replacement shafts for all the HK-4525 series Scorpion Helicopter Motors.

This extended shaft for the HK-4525 series motors measures 10mm in diameter, and is 112.3mm in long. The pinion end of this shaft is ground down to 6mm to allow the user to install 6mm pinion gears. The shaft kit will also fit other brushless motors that require a 10mm shaft of this length.
The shafts can be cut shorter with a Dremel tool and a cut-off wheel if necessary to fit other motors.

Commonly Used for Mikado Logo 700
112.5mm Total Length
55mm Exposed Length
12mm Flat Spot Area
Flat Spot beings at 14.5mm exposed from motor
Includes C Clips, Washers, and Set Screws


Note: The shafts in the Scorpion motors are a slight press fit into the aluminum front housing. The shafts will not just slide out when the setscrews are removed. They need to be pressed out in a bearing press, or in a drill press, with the front housing of the motor supported in a block of wood to prevent warping the front housing.

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