Motor, gearing, 3s lipo questions

Pillowpants808

Well-Known Member
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So I just picked up a Tekin RS ESC and a Duratrax DTX3425 8.5t 4450kv sensored motor. I have HD steel rear axles, Metal trans gears and stock spur 87t and 18t stock pinion. I have Duratrax Pistol 2.8st Tires and wheels. Trying to figure out if I run 3s lipo will the stock gearing be fine? Will the motor heat up?
 
With a 8.5t 4450 kv probably not a good idea to run 3s. I couldn’t keep a 3000kv below 180° on an 18t it was fast but ran hot. But anyway running pretty much anything over 3800kv on 3s is going to get hot.
 
With a 8.5t 4450 kv probably not a good idea to run 3s. I couldn’t keep a 3000kv below 180° on an 18t it was fast but ran hot. But anyway running pretty much anything over 3800kv on 3s is going to get hot.
I have a 3000kv in my ecx amp and it runs COLD
 
I am testing a 3,300 kv 540 size Surpass with a cheap TSky 120a ESC. It ran cool on 18t so I put a 23t pinion on it and rear tires and wheels from a Redcat Volcano. (Larger diameter). It still ran cool so I set punch 7 and now it’s getting warm. ?

I need a wheelie bar, stat.
 

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