View Single Post
Old 02-01-20, 04:57 PM
  #9  
Doge
Senior Member
 
Doge's Avatar
 
Join Date: Jan 2014
Location: Southern California, USA
Posts: 10,474

Bikes: 1979 Raleigh Team 753

Mentioned: 153 Post(s)
Tagged: 0 Thread(s)
Quoted: 3374 Post(s)
Liked 371 Times in 253 Posts
Originally Posted by 63rickert
Run in medium gear, direct drive, a Sturmey is 100% efficient. How much power is lost to heat in high or low gear is not resolved, different authorities have different answers.
100% efficient and heat loss do not go together. My 1st TT was on a SA 3 speed hub.

They have gear friction, they have oil friction. They have some slack in freewheeling.
Doge is offline