Which creates more heat?

[Tramontana]

Ah yes, the old Sparving bearings and tremmy pipe!

 

[bboulier]

This a great thread. The conversation has been very valuable, although I still need to reflect more on the underlying arguments. I second the recommendation that we need some experimental (laboratory) comparisons of alternative strategies.

 

[Huntindog1]

Here is a little reading on factors involved:

http://www.mha-net.org/html/p-tieg02.htm