On Mon, 27 Jan 2003 Tom Compton wrote:
I did some testing of the Kinetic Trainer, 1UpUSA trainer, and Kreitler rollers (large and medium). Here is a plot of the data:
The data I collected for the Kinetic Trainer does not seem to agree with the data posted at http://www.geocities.com/almost_fast/trainerpower/
The curve through the plot is a validated model equation for a 165 lb rider, 23 lb bike, sea level, 1% slope, .35 CdA, and .004 coefficient of rolling resistance.
Here is more data taken from the same machine at a later date:
Maybe more data points give a better curve? Maybe time to warm up the fluid makes a difference?
Power required to drive the Cycleops Fluid 2, according to Graber. On the right speed is figured according to their gearing.
And here's similar data measured using a Power-tap hub: