Orion motors I've used (vst version1) are super smooth / run cool but are not as fast as my x12 lrp's. The x12's are silly powerful - too much so IMO.
Just got an x20 to try but went for a 7.5 for use in 4wd.
I had an Orion 6.5 in there previously but needed a touch more power, I would have gone to a 5.5 if I'd stuck with Orion - but a friend was running an X20 7.5 and it looked great so decided to try that instead.
Makes motor choice tricky when different makes perform so differently for the same wind.
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