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  1. M

    Grin's rear all axle motor!

    Nice, I am thinking of getting a rear All Axle on a 29" bike. Do you suggest getting the slow winding for a big wheel like that? I live in the PNW so there are some hills around but I don't ride anything too steep.
  2. M

    Suggest me a strong 26" rim ~40mm width

    What about the velocity Dually rim? The inner width is 39mm
  3. M

    Pinion - Seen this today at my grocery store

    You can purchase the pinion mounts to build a frame: Gearing Mounts & Jig
  4. M

    Phaserunner v2 GMAC 10T Issues

    You bring up valid points and I agree that they will need to step up their support if they want to scale up. One thing I worry about is their long term support for products. I am fairly convinced that the issue I had is due to a lack of compatibility with my older V2 phaserunner. At least the...
  5. M

    Phaserunner v2 GMAC 10T Issues

    FIGURED IT OUT! It turns out that the Wheel Sp. Sensor Pulses Per Rev has to be set to 0. The software suite says that it only matters if a third party display is used so I never thought that the default 6 pulses/rev (GMAC has 6 magnets for speedometer) would do anything. Strange how something...
  6. M

    Phaserunner v2 GMAC 10T Issues

    I did a bit more testing. I reviewed the V6 phaserunner user manual and the table in section 6.2 states that V1-3 phaserunners should use the Hall A for the wheel speed sensor so I switched it back to that. These are the settings on my phaserunner: The issue is that the calculated vehicle...
  7. M

    Phaserunner v2 GMAC 10T Issues

    I have a bit of an update with this. I was able to get smooth throttle performance. It turned out to be a hidden parameter (Wheel Speed Sensor) which was set to [2]Hall A. I am not sure which hall sensor that is but it made the phaserunner confused with the wheel speed and it messed up the...
  8. M

    Phaserunner v2 GMAC 10T Issues

    I am face palming myself for not saving the parameters before changing them to the “default” parameters from Grin. To add more context, the reason I changed the PR parameters was because I was troubleshooting my CA not showing the speed. I thought the issue was the PR but it turned out to be the...
  9. M

    Phaserunner v2 GMAC 10T Issues

    Amberwolf, thanks for the feedback. I guess I have no choice but to play around with the parameters; however, I do not recall having this many issues configuring an entirely Grin system (CA + PR + Grin Motor). I will continue troubleshooting and follow up if I find anything out...
  10. M

    Throttle not working on phaserunner

    Hi Gytis2k11, I am also having some phaserunner issues. How did you reset the PR to factory settings?
  11. M

    Phaserunner v2 GMAC 10T Issues

    Hello ES, I am having some issues with the throttle and regen on my phaserunner v2 +GMAC 10T setup. I emailed Grin about it but they haven't replied in over a week. They are probably too busy so I thought I would try posting here! The system was working fine until I loaded the default...
  12. M

    12 V DC-DC Converter and Regen

    My battery is connected to a phaserunner controller. My setup is 52V battery, phaserunner, cycle analyst and GMAC.
  13. M

    12 V DC-DC Converter and Regen

    Hello Endless Sphere, I am wanting to power 12V lights from my 52V battery. I am thinking of hooking up a 12V DC DC converter in parallel with the motor. However, I use regen braking a lot and I am not sure how this would affect a converter. Does anyone know? My limited electrical knowledge...
  14. M

    1 kW motor : rear G360, GMAC, 9C RH212, Crystalyte H3540 - or front Grin All Axle ?

    How fast do you spin out with that chain ring?
  15. M

    Surly Disc Trucker Build

    How did things go with your Surly Disc Trucker build?
  16. M

    1 kW motor : rear G360, GMAC, 9C RH212, Crystalyte H3540 - or front Grin All Axle ?

    What made you choose the 8T over the 10T? I got the impression that the 8T was better for smaller wheels. Perhaps it's a better motor for going at speeds >30mph. That sounds doable with your wide tires. My bike is rigid with 2" tires, and I am not sure if going that fast would be a nice ride.
  17. M

    1 kW motor : rear G360, GMAC, 9C RH212, Crystalyte H3540 - or front Grin All Axle ?

    Please let us know how it goes. I also have a Surly (Disc Trucker) that I am considering to convert with the GMAC.
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