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03-16-2023, 11:01 AM | #1 |
RCC Addict Join Date: Dec 2014 Location: So Cal
Posts: 1,005
| Seeking advice on motor selection.
I am getting back to the tow rig truck project I have going, and will be needing a motor and esc for it. Kinda clueless when it comes to electronics. Criteria is as follows: 1. It needs to be a torque monster, capable of pulling 20 lbs. 2. Power needs to roll on smoothly, like a diesel pickup. 3. 8 mph is plenty fast, I realize gearing fulfills most of this need. 4. 3 or 4s batteries. 4s could be used on the dog fastcat trainer, perhaps a better choice for power. 5. Not looking to spend hundreds of dollars for something that gets minimal usage if at all possible. 6. Brushed or not? I have a Summit willing to be a donor for its 2 speed and electronics. What can you guys tell me? |
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03-16-2023, 12:35 PM | #2 |
I wanna be Dave Join Date: Sep 2011 Location: Douglassville, PA
Posts: 4,224
| Re: Seeking advice on motor selection.
If the noise doesn't bother you, look into an outrunner... They are absolute torque monsters. I have an older version in my semi and it just laughs at the weight. Reminds me of a diesel - they don't rev up high, but they pull hard. Holmes Revolver L: https://holmeshobbies.com/motors/bru...ic-1950kv.html The standard one has gobs of torque, can't imagine what the L version has. |
03-18-2023, 06:48 AM | #3 |
Quarry Creeper Join Date: Jun 2013 Location: Twin Lake
Posts: 391
| Re: Seeking advice on motor selection.
Here is my semi with a Holmes 1000kv outrunner with a Holmes Crawlmaster. No sound kit installed. No lack of pulling power. https://youtu.be/gMc9iPU_MQg Last edited by Druxus; 03-18-2023 at 05:29 PM. |
03-18-2023, 10:53 AM | #4 |
I wanna be Dave Join Date: Jun 2017 Location: Humboldt county
Posts: 4,482
| Re: Seeking advice on motor selection.
I second the HH Revolver L. I have one powering a 22 lb 8x8 and it doesnt break a sweat. You will want to pair it with a beefy ESC which means not using one of the tiny ESC's that can silence the Revolver. I used a Mamba X monster but you dont need the monster version. |
03-20-2023, 08:11 AM | #5 |
RCC Addict Join Date: Dec 2014 Location: So Cal
Posts: 1,005
| Re: Seeking advice on motor selection.
Awesome info. My trailer weighs about 6 lbs, got 21 lbs worth of Bombers and the tow/chase truck should be about 10 lbs. So the HH motor should be my motor of choice? How would that compare with the Summit motor/esc? Brushed, but is a brute. Not going for scale points looking underneath it, (so something like my Indy Bomber to use the Summit driveline components) just needs to pull. Out of curiosity, what makes the outrunner so great?
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03-20-2023, 09:21 AM | #6 |
I wanna be Dave Join Date: Jun 2017 Location: Humboldt county
Posts: 4,482
| Re: Seeking advice on motor selection.
Torque, it has gobbs of torque.
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