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What KV should I put in my yeti.

The castle web site says "...stadium trucks up to 4lbs using 2-3S LiPo power" and the yeti is twice that weight. You may be able to make it work if you gear it carefully and watch the heat buildup.

I have the Tekin ROC412 HD 3100kv and that takes a *very* careful trigger finger to get all of that power to the ground to get to its top speed (30+ mph) on dirt and gravel with the locked rear diff.

It depends on how you intend to drive it, your gearing, and how heavy your yeti turns out. Also, the two-speed upgrade will allow you to run relatively higher gearing/kv with less heat issues by using low gear for the trails.
 
I would go with a lower kV, personally. In stock form it's a 2150kV, IIRC. Volt up for TQ and kV up for speed. If sensored I'd go with the higher kV.
 
I would go with a lower kV, personally. In stock form it's a 2150kV, IIRC. Volt up for TQ and kV up for speed. If sensored I'd go with the higher kV.

RTR gets you a 3150kv motor. I think this is a good match to the yeti (hence my 3100kv Tekin) but the RTR's ESC was at its limit.
 
i use a 1410 3800kv with 64/19 or now 56/16 no issues."thumbsup" mostly driven on sticky grass surface. But i check temp regular on runs no temp issues either.
I run a fan on motor and esc :mrgreen:

I know the recommendation of castle regarding the application, but never found that info on a tekin or HH wondering what they meant for?
 
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