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Lou,  I see that TAS had some boards available with 8A or 15A drivers. Do you know whats the difference between these boards ? Was a simple changing of the triacs the only difference ?  I am converting a PS1 Centipede to TMCC and have several TAS boards Both SAW and Cruise. I see people drive four small 365-385 can motors with the 8A version but seems to me you don't have much head room in the event of a stall. Do you know if it would be an easy mod to upgrade to 15A perhaps only changing out the triacs ?  Might you have the schematics showing the changes ?                  j

Thanks guys. I make some pretty good copper sinks.   Thing about copper vs aluminum sinks, copper absorbs heat faster but aluminum dissipates it faster. I figure, first order of business get the heat out of the device and copper does that better.  Seems to me that the TAS boards have a better sink than the Lionel driver boards  As luck would have it I bought some 4015L5 Teccor triacs on ebay a little over a year ago thinking I would give them a try I just lost my nerve not wanting to waste a good board on a gamble. Seems like less of a gamble now.  I ran across an article on thermal conduction a while ago you might find interesting.   Boron Arsenide !  Where do we get some of the stuff ?  Electrical insulator, thermal conductor five times better conduction than copper   j

https://phys.org/news/2013-07-...ermal-conductor.html

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