Typically, I was running about 3 knots at ~130 watts. Once I have the chance to test it out under more ideal conditions I will do a complete writeup.
Here's some old info to use as reference. It will be interesting to compare the speed/power on the TI with the eVolve 2.
Although the numbers won't necessarily match, I suspect the relationship between speed, power consumption and range will be very similar and should apply to any auxiliary power source. There are a couple of things that stand out:
1. There is a huge control over range with careful power management. Getting that extra 1/2 knot can come at a high price.
2. Easy pedaling along with your alternate power source can give a significant boost in speed or range, depending on what is needed most.
IMO, one of the best features about the eVolve is the information display on the throttle console. Using its built-in GPS, it provides speed (kts, kph or mph), power consumption, distance remaining and/or battery time remaining. This info is continually updated so changing weather conditions and tides are accounted for. This is great information to help you get back without running out of power or wasting time.
For what it's worth, I understand Hobie provided much of the technology relating to the propulsive efficiency, software development and materials improvement for the eVolve system. I don't know whether or how much of this carries over to the rest of the Torqeedo line.