flow through the tight spaces of the motor is difficult but
might be the difference between the windings failing or surviving.
inside of the Siemens has some dead air spaces. These air
spaces surround the bends in the copper windings. Where the
wire bends will be the hottest part of the windings.
want to get air flow through the dead air spaces to cool the
is a molded web that supports the rotor. This area also mounts
the position sensor.
The way the support web is cast, blocks any air flow.
replace the bearings which have only a metal dust shield with
fully sealed bearings. The fully sealed bearing exhibit slightly
we expect to run the motor at its upper heat limits, we also
replace the stock grease with high temperature Redline moly
grease (rated for 800 C) and reinstall the seals.
a K&N high flow air filter and Plasti Dip, we cut and
mold custom filters which mount over the air intake side of
we install the motor.
Air is sucked in through the filter,...
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