First, lets not turn this into yet another $13 Chinese motor thread.
I am just curious if anyone else is seeing these motors pretty far off the pace for the first 10-20 laps and then they come up to expected performance. I do not understand what is going on to cause this issue but I have had five of the last seven motors behave this way. One of those had soft brushes and the rest had hard brushes.
To be fair, I build cars for another racer and just pull a motor out off the peg board and put one in. Fortunately for him he has been getting the "cherries." They are fast at power on and seem to be lasting a long time. The last one I put in for him was just next on the board and it also had hard brushes and it is very fast at power through the whole of our long races.
The last two I put in my cars have been thrown away due to losing too much at the start of the race.