Originally Posted by
Doge
Still missing my point. I have a fluid trainer. I have a Power Tap. The power it take to do the same RPM in the same gear varies. My wife has a fluid trainer. The same RPM is different on hers.
If you are using two different trainers, then sure, it very well make take a different level of power. But if you two both use the same trainer with all variables controlled for (for ex. tire pressure, how tight the wheel is afixed to the resistance unit etc.) then it should take exactly the same wattage to turn the cranks.