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No, they seem to give me numbers that seem reasonable (albeit depressingly low).
I reckon my FTP per TR and per my turbo is about 20-30W different. Although that sounds like a similar result to what you found, I don't have the FTP of Fabian Cancellara like you have, so as a % it's quite a big difference.
jim1985
I was really impressed with my Road Machine's accuracy compared to real watts. It did over read (by about 20 watts), but it was pretty consistent along the whole curve. Are you unsure of the accuracy of your vectors?