While I was building my new Tamiya Neo Scorcher I wanted to upgrade the electronics to brushless instead of using the brushed equipment it came with, so I purchased the Arrma BLX85 speed controller and an RC Gear Shop 4550kv brushless motor to put in it. Well the thing is crazy with this combination because it did a backflip the first time I put a 3S in it! Don't know how fast it'll go but I wanted to be able to use 3S since that's what I had the most of at the time.... Here's some pics.
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