[AMRadio] BTA-1R2

Larry Will lhwill at verizon.net
Tue May 23 19:38:08 EDT 2006


I will be on the Gray Hair Net on 1945 at 20:30 local time tonite so 
I'll go look at mine before that and send you a note.

As I remember they just relied on a stall, no slip.


At 04:47 PM 5/23/2006, you wrote:
>Thanks.  Mine has a porcelain coupling isolating the rheostat from 
>the motor drive shaft, but what concerns me is without some kind of 
>slip apparatus on the two 1 3/8" hubs that connect the rheostat 
>shaft coupling to the motor drive shaft coupling it would be 
>possible to do damage to either the motor or resistor if either 
>limit were reached and the power still applied to the motor and 
>gearbox.  It appears this is the factory installation, but maybe 
>it's been modified?
>Larry Will wrote:
>>Its a typical WELL INSULATED flex shaft coupling with the required 
>>size holes.  The full 3.1 kv B+ is on the rheostat.
>>Larry W3LW
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