I am a rower.
Wattages on an "erg", an indoor trainer, are easy to measure. Here are some examples of wattages that I generate on an erg:
1 minute = 475w
7 minutes = 340w
20 minutes = 260w
I'm not sure what my FTP on a bike is, but it is probably in the range of 260/0.95. Of course, I am not...