Originally Posted by
Davidka
Worth note: while a belt system can seem draggy unloaded, they're very efficient under load.
It's easy to believe a shaft/gear drive would be more efficient, but under load there are shearing loads (gear teeth) and two right angles where binding and drag occur under load.
this def has some truth to it but i still feel a well maintained shaft car such as the xb4 has much less drag even under load.