<VV> '65 Corvair heater "FAN" motor shaft keyed?
Jay Maechtlen
jaysplace at laserpubs.com
Tue Dec 9 17:28:41 EST 2014
On 12/9/2014 12:06 PM, J. R. Read via VirtualVairs wrote:
> Charlie,
>
> The piece you are describing as having a "keyed hole" which fits the
> flat on the shaft from the motor is the same piece that I called the
> "metal center piece" and has ALSO been called the "hub". It is a part
> of the fan or "squirrel cage".
>
> Since (as you describe) it is "keyed" to the shaft from the motor, it
> is going to spin at the same speed as the motor. However, since it is
> merely crimped to the REST of the squirrel cage, over time the crimp
> fails and allows the fan to move slower than the motor - creating the
> squeal that you hear emanating from the heater area.
>
ok - if you can get the hub off the shaft, how about brazing the hub to
the fan body?
That should handle it.
Maybe re-stake it first, and make sure the fan doesn't wobble on the shaft.
--
Jay Maechtlen SoCal '61 2-dr modified w/fiberglass skin, transverse 3.8
Buick V6 TH440T4 trans
More information about the VirtualVairs
mailing list