Alan B
100 GW
I'm setting up a pair of PhaseRunner's on a 2WD mountain bike. The rear motor is a 9C 2810 DD and the front motor is a BMC V4TT. It is up and running and I'm starting to fine tune the PhaseRunner's. I'm having some occasional issues with the PhaseRunner driving the BMC tripping off but I haven't tried any adjustments yet to fix that. The 9C worked instantly and has been fine, except for the complete lack of response to regen settings. I haven't looked into that yet either. So far just running AutoTune settings based on Justin's new software package.
The setup runs buttery smooth and silent, aside from a very small gear whine. The BMC is very torquey, in fact I'm going to limit it to 1300W to fit recommendations and to keep it from overpowering the 2810. The clutch lockup is silent.
Using a pair of torque throttle controllers solves a lot of the issues associated with 2WD systems such as matching motor Kvs (not much of an issue with torque control), and motors fighting each other that just doesn't happen here.
The small PhaseRunners are specially appropriate for a 2WD system with their size and low cable count. There's a lot to pack onto a 2WD system and these make it easier in a number of ways.
Thanks for a great building block!
Here are the PhaseRunners mounted side by side on the bike over the triangle bag and under the top tube. The aluminum provides extra heatsinking which so far has not been required. The test cables are way too long so there's a lot of extra wire bundled up behind the seatpost:
Battery is 72V, throttle is Magura spanned to about 1-4V with resistors and driving both PhaseRunner throttle inputs.
More info in the last few pages of my Bonanza2WD thread (around page 25) linked below.
The setup runs buttery smooth and silent, aside from a very small gear whine. The BMC is very torquey, in fact I'm going to limit it to 1300W to fit recommendations and to keep it from overpowering the 2810. The clutch lockup is silent.
Using a pair of torque throttle controllers solves a lot of the issues associated with 2WD systems such as matching motor Kvs (not much of an issue with torque control), and motors fighting each other that just doesn't happen here.
The small PhaseRunners are specially appropriate for a 2WD system with their size and low cable count. There's a lot to pack onto a 2WD system and these make it easier in a number of ways.
Thanks for a great building block!
Here are the PhaseRunners mounted side by side on the bike over the triangle bag and under the top tube. The aluminum provides extra heatsinking which so far has not been required. The test cables are way too long so there's a lot of extra wire bundled up behind the seatpost:
Battery is 72V, throttle is Magura spanned to about 1-4V with resistors and driving both PhaseRunner throttle inputs.
More info in the last few pages of my Bonanza2WD thread (around page 25) linked below.