Product overview
The Scorpion HKIII-5025 Shaft Kit XL (6mm 44mm) provides a factory replacement shaft for all HK-5025 series Scorpion helicopter motors when an existing shaft bends or breaks. The extended shaft has a 10mm body diameter and a length of 105mm. Its pinion end is ground down to 6mm to accommodate 6mm pinion gears. The kit also fits other brushless motors that require a 10mm shaft of this length, making those dimensions specific requirements for integration.
Where another motor requires a shorter shaft, the shaft can be shortened using a Dremel tool and cut-off wheel. In Scorpion motors, it sits in the aluminum front housing with a slight press fit, so releasing the setscrews alone does not free it. Removal requires a bearing press or drill press, with the front housing supported in a block of wood to prevent warping. The kit weighs 54g including packaging.
Specifications
| Specification | Value & conditions |
|---|---|
| Manufacturer and model | Scorpion HKIII-5025 Shaft Kit XL (6mm 44mm) |
| Product type and intended application | Factory replacement shaft kit for all Scorpion HK-5025 series helicopter motors. |
| Shaft diameter | 10mm |
| Shaft length | 105mm |
| Pinion-end diameter and gear interface | Pinion end ground down to 6mm for installation of 6mm pinion gears. |
| Additional motor fit | Fits other brushless motors requiring a 10mm shaft with the specified 105mm length.Other brushless motors requiring a 10mm shaft of this length. |
| Length adaptation | Can be shortened using a Dremel tool and a cut-off wheel.If necessary to fit other motors. |
| Housing interface | Slight press fit into the aluminum front housing.Installed in Scorpion motors. |
| Removal requirements | Removing the setscrews does not release the shaft. Press removal requires a bearing press or drill press, with the front housing supported in a block of wood to prevent warping.During shaft removal from Scorpion motors. |
| Weight | 54gIncluding packaging. |
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