I have got an old TACX Flow that is not listed on Zwift. When I set it up with a Bryton speed/cadence meter I could not get the right resistance and “true” enough output from Zwift.
What I did was check what Zwift was giving me with cadence and watts and what the old TACX Flow computer was giving me with cadence and watts. I then adjust the resistance on the TACX until they are in close to each other.
If you want to see a video of the setup check it out at https://youtu.be/Eusfze2npMk
Would love to hear your thoughts,