Features
The Scorpion HK-2221 motors are built with
4mm 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 repalcement
shafts for all the HK-22mm Scorpion Motors. Our Motor Shaft Kits
include an original equipment factory shaft with the setscrew keyways
already cut, a new spacer washer, and a set of 3 retaining clips. This
way, when one goes flying and bounces off the wall while you are trying
to install it, never to be found again, you still have a couple more to
try again!
Details:
The shaft for the HK-2221 series motors
measures 4mm in diameter, and is 57.5mm in long. The output end of the
shaft is ground down to a 3.17mm diameter to fit the populal pinion
gears that are available. The shaft kit will also fit other brushless
motors that require a 4mm 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.
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 houshing of the
motor supported in a block of wood to prevent warping the front housing.
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