[CustomRCmodels]

Originally Posted by fhhhstix

Willy it is a Phantom Facts Machine. The 55 we tested were cheap lathe motors. But using a power supply and setting the dyno voltage at 7.2 volts gave us higher rpms than the battery did. it takes a lot of power to spin up the fly wheel and a battery can't keep up like a power supply can. That is why we use the battery to simulate what will happen at the track. Yes Willy they will spin close to 8000 rpm on a free spin but just like your 55 in the read out above the max power is at 4168 rpm.

ok , cool Travis ,
I didn’t want to get in to this yet , load and no load , just was checking on your numbers ,
so we are on the same page here !