Russ, i run LiFe in my 6T, when fully charged its 7.2v, your correct, there is not the same problem as with LiPo and the running low or catching on fire.
Paul, i think Jon is talking about running the motor in whilst its in a bowl of water,its meant to make them run better i think
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If we go down the route of the Mardave's, will we still be running micro's,there are a few that run now and some people may not want to spend more on another class.
I think it would be a good idea to have pole on this, either at the club or a mail shot to the members to decide,they could reply with a simple yes/no.