[HAM] Noisy upper rotor motor

[David Anderson]

I would imagine he's referring to the fact that the idler arm  
bearings can become noisy, usually generating a kind of whistling/ 
whirring sound at fast speed.

David

On Feb 7, 2008, at 7:47 AM, John Freund wrote:

>>> Note to potential new Hammond Leslie Bashers: With no idlers 122A's
>>> can have one less source of mechanical noise!
>
> Is that because of increased sideways yanking action?