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Did speedruns for 15 mins or so on 4s today(my 9 y/o did) with real good results. He hit 72 on the street in front of our house with only about 2 seconds of WOT. Roads kinda narrow and bumpy, with a better location 80 should be easily hit. Motor was only warm, didn't seem to have any issues...so...

I'll try it out at 3/4 throttle and take some temps to decide if I should try full. If I blow it I'll get a new motor and have learned a lesson.

So my infraction has a 3600kv motor in it. With the 4s this would put the rpms at around 55000, motor only rated for 50k. If I am just doing speed runs and only have it at WOT for a few seconds do you guys think this will be a problem and possibly burn out the motor? I thought I had put in a...

Hobbywing esc should be here Wednesday..hope to get some speed runs in next weekend. Let you all know how it goes.

Majority rules. Thanks for input.

Yeah, the hobbywing is a good option. https://www.ebay.com/itm/204600865336?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=re1__8kkq3i&sssrc=4429486&ssuid=JiR1N_i1Qp6&var=505195824990&widget_ver=artemis&media=COPY Was thinking this one, 30$ for the 150amp. Hobbywing a good option though.

Yeah have the junk clone in my eBay cart just looking to see if someone has one lying around collecting dust. Found some in Facebook marketplace for 50ish but no one wants to ship. It's for the brushed mega which I upgraded to brushless, have a 3300kv motor which can handle 4s for speed runs...

Hey all, I'm looking for a decent 4s capable brushless esc to put in my Arrma Infraction so I can use 4s for speed runs. Anyone have a decent used esc they wanna sell? Not looking to spend over 50$