Originally Posted by
Rich Gibson
When on the trail speed averages 11 mph; on the trainer it's 16 mph.
I'd guess that the difference is mostly due to a difference in the time spent in the various HR zones.
Originally Posted by
Rich Gibson
On what do you base the remark about calories burned not being worthwhile.
As far as I've read, it's not very accurate. Except for the ones based on power measurements. (The ones based on HR should be better than without HR.)
Here's some info on how the Garmins do it (the Nodes aren't likely to be as sophisticated):
http://www.dcrainmaker.com/2010/11/h...on-garmin.html