I saw several similar posts but not quite the same so I decided to post a new one.
TL;DR: Zwift zPower from bike-equipped Garmin ANT+ speed/cadence kit consistently at about 60% of inRide reported app from smart KK trainer.
I am considering buying a kurt kinetic road machine, and so borrowed a friend’s to try it out. It is a KK Road Machine 2.0 fluid trainer, smart version, with built in BT power meter. I also was convinced to try zwift, which I’m loving.
Zwift works perfectly with my ant+ sensors. For curiosity sake, I installed the inRide app, calibrated the power estimate with my bike setup, and ran both in parallel. To my surprise, the zwift reported power was consistenly about 60% of the inRide reported power.
In the end it doesn’t matter individually, as day to day it seems consistent. However, I have lost confidence in comparing my speed to others on the track.
I will be buying a KK Road Machine 2, not smart version, and I would be much happier if I could have consistent power output.
Is there anything I can try to rectify this situation? I am happy to help trouble shoot, as a computer scientist I am comfortable with debug software, etc.