Sort:  

I'd say it is due to degradation of the original design by Mr. Tesla, but that is likely incorrect. Other than that it is the slewing of the magnetic fields in the composite rotors and the slip turns to heat.

Coin Marketplace

STEEM 0.06
TRX 0.31
JST 0.059
BTC 68904.51
ETH 2061.20
USDT 1.00
SBD 0.50