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  1. M

    Complete re-design of a second-hand motor

    There are a few posts on here about the Neu 80xx series motor, specifically the 8057. I have tested the 8019, 8038, and 8057. They are pretty inexpensive and ideal IMO for "just getting some practice".
  2. M

    Help mee, esc for lampuga boost carbon jet surf

    You might be better off moving to a more industrial converter like an emsiso emDrive 150 or inMotion ACS. They will be much more robust and handle the continuous current reliably.
  3. M

    How can I get more speed 12v 45lb thrust

    If it's meant for a much heavier boat than the propeller likely has a low pitch (theoretical distance traveled forward for every revolution). So you are probably at max rpms for the 12V, but the motor likely has untapped torque. If you put a propeller on with a larger pitch, then I imagine you...
  4. M

    Emsiso emDrive 500 (100kVA Peak, 800A/120VDC)

    Hey Adam, What motor are you using? I have used an emDrive to power a DHX Hawk40, and Neu 8057 using the following P/I gains: Velocity: P= 1250, I = 8, These are OK, stable but not great. Torque: P = 1500, I = 1500
  5. M

    Emsiso emDrive 500 (100kVA Peak, 800A/120VDC)

    Hi Rovii, I found my issue! x3000 was set to 1 x3001 was set to 2 Running a sin/cos encoder. When operating in APP1 velocity mode, 6060 Mode of operation needs to be set to 10 (torque mode) instead of velocity mode (9). There is also a secondary velocity control loop (velocity regulator)...
  6. M

    Emsiso emDrive 500 (100kVA Peak, 800A/120VDC)

    Hey Rovii, I am having some successes and some issues with my controller, and was hoping you might be able to help. For my emDrive150 I was able to successfully operate the controller with a potentiometer in torque mode. However when trying to operate the controller in velocity mode, adjusting...
  7. M

    Emsiso emDrive 500 (100kVA Peak, 800A/120VDC)

    Awesome! Have you used any of the onboard data logging features?
  8. M

    ebike hub motor for marine propulsion

    Here's a generic speed calculator I've used to determine prop pitch and RPM for a desired speed, might be of use. https://www.offshoreelectrics.com/conversion.php
  9. M

    DA-90 motor

    It's hard to tell too much without a seeing a torque-rpm curve, but a few thoughts do trail. -At 10.5 kg, a peak power density of 2.4kW/kg isn't particularly impressive -Seeing that there isn't any active cooling, I don't imagine the continuous power output being anything over 10kW -For the...
  10. M

    Neumotor 8057/75 middrive project, belt drive, adding halls, 10kW+

    Not running a boat with the 8019, but will probably through the 8057 on an outboard at some point for fun..... I did have Neu 4400 on a boat back in college that moved pretty quick: https://www.youtube.com/watch?v=QGvg7ujdlDo A little more detail on the encoder: 1. I used an RM44AC sin/cos...
  11. M

    Neumotor 8057/75 middrive project, belt drive, adding halls, 10kW+

    Also testing out the Neu 80xx series motors here. I have an 8019 (pictured) paired with an Emsiso emDrive 150, and then an 8057-75 up next for testing. I outfitted the motors with an RLS RM44AC sin/cos encoder - super straightforward to do with a bored hole in the shaft for the magnetic actuator...
  12. M

    150cc turnighy outboard

    Lower kv and higher torque....unless you're using a surface-piercing prop on a hydro setup
  13. M

    Cracker Box for my daughter

    Looking good! I would say go epoxy, that's what I've used on any fiberglass/wood boat projects. Had this wood/fiberglass hydro moving pretty quick: https://www.youtube.com/watch?v=QGvg7ujdlDo
  14. M

    Looking for help with sourcing speed controller with variable braking

    emsiso emdrive150 is programmable and can do most if not all of that. -separate throttle and brake inputs -control via CAN, 0-5V analog, or PWM -controllable in speed or torque mode (so you can set a constant rpm and vary power to match varying loads)...
  15. M

    Emsiso emDrive 500 (100kVA Peak, 800A/120VDC)

    Hey Rovii, Any updates on the programming process with the em500? I recently got an em150 and will be programming that quite soon. Best, Ben
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