Practically my whole catalog will work as long as you select the proper speed. It's more of working with your budget than anything else. I would recommend a 550 sized brushed or 540 brushless.
I am attempting to assemble a crawler using excess parts I have on hand and bought in salvage lot. I have a Castle Sidwinder 8th paired to a 2300KV outrunner on 3s but cannot get any low speed startup. Once the ESC activates, the initial rpm goes to high for crawler control. Is there a way to get the ESC to output a lower start voltage suitable for crawler operation. I have several Sidewinder 4s installed that do exactly what I want. I had expected the Sidewinder 8th to behave similar just provide wider voltage capability.
Thanks for the fast reply. I will work with your programming info tonight. Is there any reference article to review that will indicate what to look for when evaluating ESCs for their low speed operating characteristics? I find manufacturers info really lacking in detail. As an example ... what makes the SW4 work so well vrs. what I am experiencing with the SW8th.
Can you add pwm control to the firmware or are hardware changes required? Not to step on JRH's toes but castle esc's got active drag break and Holmes hobbies got pwm control. Odly enough the $40 hobbywing got both and that's my goto. Granted there are things it can't do as well but pwm seems like something easy for Castle to implement. Or are there like contractual reasons your not allowed to implement it?The sidewinder 8th uses our older firmware that had more focus on outright power. We hadn't spent much time on that older firmware working on getting the startup to be smooth.
Sidewinder 4 and Mamba X use our newer firmware that retains the power but has a lot more focus on low speed control. It's not just firmware though, there is some hardware changes that allows the firmware to have more finite control of the motor. The sidewinder 4 should be able to run the motor at about 1/4 or 1/5 of the minimum RPM and should cog and stutter less during startup.
Volts vs Amps
We all know that watts do the work and that watts=volts x amps. Provided that the motor and ESC are rated for it, is a higher voltage "kinder" to a brushless motor and ESC for the same work and is the difference worthwhile?
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Volt up, Gear down
Less heat more torque isn't it?
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Between 12t doubles and 10t doubles on a 5mm web, that seems to be a good speed for other guys doing the same.