I did a test, flipped the esc up side down so the heat would go directly to the alu heat sink were the water pipe is soldered. Same output basically, hitting approx 80 deg C after 7 minutes of riding, average motor amp 60-70A.
I sent a question to maytech regarding the temp sensor, when the esc reports 60 degC the alu heat sink is not even luke warm.
Will update when I get an answer.
Based on the testing I’ve done and the output of them I would not recommend the esc for now. The seaking 130A outperforms it in all areas.
Thanks for the input. Actually i had seen your post and tried The stator sat. Comp. Set to 10% and 15%. What worked for me was to set it to 0%, combined with the other settings I Stated above.
Does this esc have an anti spark circuit? Or BEC integrated for the receiver?
The specific product documentation lacks a bit from flipsky… the single page diagram in the only thing that is available.
Since late May, Maytech offers a new 200A VESC with new casing with antispark circuit but it is not a waterproof/boat version. A VESC waterproof version with AS would be a killer.
I have ordered 2 for my next version jet (not foil) board. In my 1st version I am using a circuit breaker (2) to arm/disarm the setup. I’ve never needed an antispark circuit.
This is the breaker I’m using. Maybe it’s an option for you too?
I have a starting problem with my fsesc 200A and the sss56104 500Kv that is connected. Sometimes, say 2 out of 10 times, it does not start the first time. Amps go up and a ‘sqeeeking’ sound is comming from the motor. When you let go the thottle and try again you have a good chance it starts up normally.
I’m wondering if my motor is still in good condition, can somebody share their detected FOC motor specs? this should give an indication…
Mine are:
Motor currenct 120A
Motor R 8.5 mOhm
Motor L 3.94 uH
Motor flux 3.31 mWb
Another post about the same problem somewhere here no long ago
Problem I think is that it pulls to much amp at low duty on start
Saturation stator at 0 (?)
Smooth flat throttle first 10%
Ramping positive at 1s…
Your motor resistance is pretty low ? I remember more around 20-30 may be that the problem , some wires out less torque …
I’ve seen that post indeed, tried the saturation at 0 an 10%. Ramp up is very slow, at 1.2 sec.
I have this behaviour in PPM duty cycle mode. In current mode it seems not to exist, But I don’t like the throttle behaviour at no load in current control. In water it might be allright to run current control?
Edit:
motor resistance seems conform motor specs:
Idle current: 2A
Resistance: 0.0095
Maximum speed: 45K
Magnetic pole: 6 Poles