I know it won't actually reach 100 obviously, but it's still around the speed your wheels would reach if you held it in the air. I'd like to see what it could actually reach on the ground.
The top speed you could get out of that setup would probably be with smaller pinion than 18t, because it would take some load of everything and let the motor get to full rpm.
Just entered the numbers of your setup in the top speed estimator and also got 100mph. I'm speechless.
This thing must suck a lot of juice when accelerating ... watch out for your flightpower pack. This must be really tough for your pack. If you keep it that way you might degrade it's lifespan very fast.
what flightpower pack did you run it with in your video?