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I had the Williams Big Boy upgraded to TMCC and after getting it back under TMCC it will only move about 3-4 feet and then just stalls out.  I double-checked the linkages, etc., and don't see anything binding.  Under Conventional it runs fine and doesn't stall.  Any idea what I should look for to resolve the problem?  Thanks!

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It was done by one of the "big companies" that does conversions, no need to knock them as the damage was I think done during shipping back.  It wasn't fastened to the metal support plate and literally arrived in pieces.  After putting it back together I discovered the running problem.  I don't want to take the chance of sending it back and forth again.  So I'll just have to resolve it myself, if I can ... So I'm not sure what kind of board it is but I suspect it was a TAS setup, because that is what they were doing at the time.   I've just let it sit on the shelf for a year since then but would like to get it running.

Originally Posted by Kerrigan:

 

Run Kapton tape around the bottom between the shell and the frame?

Yep, and you also have to use plastic screws so that you don't ground things through the screws.  I can say that it works very well if you get it properly isolated.

 

After you have isolated it, you should measure the resistance between the frame and the shell, obviously there should be an open circuit.

Usually I would but it's been about a year since I just put it on the shelf to figure out later.  I also don't want to pay the $40+ shipping/insurance to send it to the East Coast from Oregon or have it bashed to pieces during shipping again.

I'm hoping I can find a solution myself as it does run okay under Conventional.

After all, it's "just an old Williams" and I don't want to sink a lot more bucks into it.

And I have a lot of upgrade kits coming for my Proto fleet of turbines, etc., so perhaps I'll get lucky on finding the solution, with the good hints from you-all, when I get to "benchwork time"

 

Originally Posted by NROD:

I would contact who did the work and tell them I was returning it to be made right. Be sure to advise them of its condition when it arrived. If they have any scruples at all they will help you here.

 

Rod

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