Product overview
The Scorpion HK-2520 Shaft Kit (4.0mm) provides replacement shaft hardware for HK-2520 motors, addressing shaft damage such as bending or breakage after a poor landing. Its physical specification is a hardened steel shaft measuring 4mm in diameter and 64.5mm long. The supplied product is a motor shaft kit, with its purpose centered on motor repair. Its dimensions also define the stated fit for other brushless motors that require a shaft of the same diameter and length.
Integration involves a mechanical press-fit interface: in Scorpion motors, the shaft sits with a slight press fit inside the aluminum front housing. Removing the setscrews alone does not allow it to slide out. Extraction requires a bearing press or drill press, with the front housing supported in a block of wood to prevent warping. For other motors requiring a shorter shaft, the shaft can be cut using a Dremel tool and cut-off wheel. Weight including packaging is 7.5g.
Specifications
| Specification | Value & conditions |
|---|---|
| Manufacturer and model | Scorpion HK-2520 Shaft Kit (4.0mm) |
| Product type and intended application | Replacement motor shaft kit for Scorpion HK-2520 motors. |
| Shaft material | Hardened steel |
| Shaft diameter | 4mm |
| Shaft length | 64.5mm |
| Other motor fit | Also fits other brushless motors requiring a 4mm-diameter, 64.5mm-long shaft.Other brushless motors requiring a 4mm shaft of this length. |
| Length adaptation | Shafts can be shortened using a Dremel tool and cut-off wheel.If necessary to fit other motors. |
| Housing interface | Slight press fit into the aluminum front housing.Installed in Scorpion motors. |
| Removal requirement | Removing the setscrews does not release the shaft for sliding removal. Press it out using a bearing press or drill press, supporting the front housing in a block of wood to prevent warping.When removing shafts from Scorpion motors. |
| Weight | 7.5gIncluding packaging. |
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