On Dec 15, 9:00 pm, wrote:
More seriously than my link to 1869 data about velocipedes, Bill's
question is how things are figured when an hour at ~18 mph on the
trainer is said to take about twice as many calories as the same hour
at ~14 mph.

Bill's computer is probably lying to him when he's using it on a
trainer.
http://www.geocities.com/almost_fast/trainerpower/