Electronics > Electronics
New guy needing information
jah1282:
I purchased the "Jameco ReliaPro 151440 69rpm gear motor" to work with the C"-25 Mini ESC speed control. I'm having no luck in hooking these two along with the HFS-04MG RX Hitec receiver together.
Does this motor go with this setup?
Militoy:
That motor is so small (0.275A draw @ full load), that using the C-25 controller would be overkill. The C-25 is rated for motors up to 25A load current (about 100 times what you need). It’s also designed for use with brush-type motors, as opposed to the little PM motors. I believe you should just be able to connect your motor directly to the receiver, like you would a servo, and skip the controller – any good hobby shop should be able to sell you a plug and cable for a buck or two.
For your reference, here’s a link to the C-25 manual:
http://manuals.hobbico.com/gpm/gpmm2025-2035-2055-manual.pdf
And to the specs on the motor:
http://www.jameco.com/wcsstore/Jameco/Products/ProdDS/151440.pdf
Admin:
--- Quote ---I believe you should just be able to connect your motor directly to the receiver, like you would a servo, and skip the controller
--- End quote ---
This wont work because the reciever sends out ground, power, and a control PWM that only servos can use. What this speed controller does is convert the control PWM into something a dc motor can run off of.
This guy is less overkill, at 7amps and $21.
http://www.servocity.com/html/c-7_speed_control.html
You can always use it for future robots, so I think its a good deal, despite the overkill.
I looked up the motor stats here:
http://www.robotstore.com/store/product.asp?pid=806&catid=1565
Current @ max. efficiency (under load): 275mA
So that isnt full load, that is suggested load for peak efficiency . . . if you require high torque, expect perhaps 500mA . . .
Militoy:
--- Quote ---This wont work because the reciever sends out ground, power, and a control PWM that only servos can use.
--- End quote ---
Uhh... Of course Admin is correct - my brain kind of got fixed on your power requirement, and skipped over the control issue. I could try to blame it on the fact that I don't usually use commercial R/C receivers - but in fact I am using one as a temporary E-Stop on our robot right now. Please excuse the slip, and I'll blame it on fatigue. I am working on some tiny H-bridges next week, that may lend themselves to itty-bitty-motor control when hooked up to a 1mS-2mS PWM control, as in your receiver. If I come up with anything useful for R/C application, I will post a link to this board.
Navigation
[0] Message Index
[*] Previous page
Go to full version