[TenTec] PTO Backlash help needed

[Tom NØJMY]

Well, now that you've explained it, it seems pretty obvious.  Thanks.

Tom

wa3fiy at radioadv.com wrote:
> Tom, the pistol rides along the rod to prevent the slug from turning when the 
> lead screw is turned.  If the slug rotated with the lead screw, it would never 
> move into and out of the inductor.  However, since the bore in the pistol and 
> the OD of the rod must provide some amount of  clearance for easy 
> movement, there would be a small (very small) amount of deadband in 
> tuning when you changed tuning direction as the pistol moved from one side 
> to the other side of the rod.  The wedge shaped little washer and the spring 
> work to provide a force that holds the pistol against one side of the rod 
> regardless of which way the lead screw is turned, hence no deadband.     
> 
> At least I think that is what it's purpose is......maybe.      :-)
> 
> 73,
> 
> -Lee-
> 
> On 30 May 2009 at 20:34, Tom NØJMY wrote:
>> I'm curious as to how that "backlash rod" functions, in fact, just what 
>> its function is.  I'm intrigued especially about the purpose of the 
>> little wedge shaped piece that rides on the rod and butts up against the 
>> pistol.  Maybe you might enlighten me?
>>
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