10-13-2019, 09:52 AM | #1 |
RCC Addict Join Date: Nov 2017 Location: 3rd rock pile on the right
Posts: 1,801
| Sensored motors
Im sure theyve been covered before, but ive not been able to find any info myself. Wat do yall think of the reedy sonic 540 M3 17.5t, trinity revtech 17.5t, n the arrowmax dash rs tune outlaw 540 17.5t or the fantom ion v4 540 17.5t motors? Any suggestions on any or all of them? Good bad reviews? All input is much appreciated. Thanks yall Sent from my SM-J327VPP using Tapatalk Last edited by indybama; 10-13-2019 at 09:54 AM. Reason: Added info |
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10-13-2019, 10:18 AM | #2 |
I wanna be Dave Join Date: Jun 2016 Location: Austin
Posts: 6,010
| Re: Sensored motors
What is the intended usage? None of them are crawler motors - they all are optimized for 1S-2S racing use, and they all have large openings on the motor can for air cooling when racing on prepared tracks. |
10-13-2019, 11:26 AM | #3 | |
RCC Addict Join Date: Nov 2017 Location: 3rd rock pile on the right
Posts: 1,801
| Re: Sensored motors Quote:
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10-14-2019, 06:48 AM | #4 |
owner, Holmes Hobbies LLC Join Date: Nov 2004 Location: Volt up! Gear down!
Posts: 20,290
| Re: Sensored motors
I appreciate the support! There are differences between race motors and crawler motors. Race motors (especially spec class stuff) is built for RPM over everything else. Crawler motors (IMHO), should be designed for torque density and smooth startup. Throwing a race or bashing motor into a crawler gives spongy throttle response and typically rough and high RPM startup. They also don't always like being in a bind, since they are designed for high RPM they tend to get hot when put into low RPM high amp draw situations. If you already have a race motor, it wouldn't be too bad to install it and go. Not optimized, but crawling is better than no crawling! If you are needing to buy one, get a crawler specific motor. But... Watch out for motors labeled as crawler specific from bottom dollar/ chinese/ ebay vendors. It has become commonplace to rip off the verbiage of my motors and slap them on anything. Three vendors in particular have literally copied and pasted my product descriptions onto theirs. One of them US based, the other two china based. Low speed control, high strength magnets, engineered for crawling, these terms are being put on motors that have none of these things. I have a stack of other brand "crawler" motors that start up horribly and have bottom dollar materials, but are labeled with great sounding descriptions. Buyer beware. |
10-14-2019, 10:06 AM | #5 | |
RCC Addict Join Date: Nov 2017 Location: 3rd rock pile on the right
Posts: 1,801
| Re: Sensored motors Quote:
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10-14-2019, 11:05 AM | #6 | |
Quarry Creeper Join Date: Jan 2017 Location: Olathe
Posts: 361
| Re: Sensored motors Quote:
If you are wanting to save money a Sidewinder 4 and Holmes revolver is probably you best bet. Not sensored but doesn't seem to matter in JRH's testing video. One of our slate motors would also be less expensive to buy than any of the 17.5t motors you listed. Only ROAR spec motor that is cheaper than a crawling specific motor would be the AMain house brand ECO Power or a Hobby King one. A name brand ROAR is never going to be the best bang for the buck in a crawler. Get a Holmes or a Castle motor designed for crawling and save money in the long run(or even short term in some cases) from not having to replace an under-performing motor. | |
10-14-2019, 11:27 AM | #7 |
owner, Holmes Hobbies LLC Join Date: Nov 2004 Location: Volt up! Gear down!
Posts: 20,290
| Re: Sensored motors
I tend to choose the standard 540 over the stubby Puller because it offers a lot more oomph. The stubby is plenty for almost all rigs though.
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10-14-2019, 04:03 PM | #8 | |
RCC Addict Join Date: Nov 2017 Location: 3rd rock pile on the right
Posts: 1,801
| Re: Sensored motors Quote:
Sent from my SM-J327VPP using Tapatalk | |
10-14-2019, 04:07 PM | #9 | |
RCC Addict Join Date: Nov 2017 Location: 3rd rock pile on the right
Posts: 1,801
| Re: Sensored motors Quote:
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10-14-2019, 05:40 PM | #10 | |
Rock Crawler Join Date: Jul 2015 Location: Butler, Pa
Posts: 771
| Re: Sensored motors Quote:
How set are you going brushless? I installed the HH Crawler Expert 20T. It should have more than enough to move me VS4. Check me thread out to see what I did. I have it paired with a HW1080. I am not a comp person either and I also lean more towards the trails. I have a couple of the race motors that you mentioned above plus some of the newer ones from Fantom. I agree with HH that they aren’t designed for crawling. On the other hand me newest Fantom 17.5 is a blast in me race truck | |
10-14-2019, 05:45 PM | #11 | |
RCC Addict Join Date: Nov 2017 Location: 3rd rock pile on the right
Posts: 1,801
| Re: Sensored motors Quote:
I thought about goin with the 1080 n one of the new crawlmaster sport motors, but think i wanna try BL this time around. Ive got a castle mmx, but would rather have the mamba x Sent from my SM-J327VPP using Tapatalk | |
11-03-2019, 04:39 PM | #12 |
Quarry Creeper Join Date: Jul 2015 Location: Menifee
Posts: 308
| Re: Sensored motors
Don’t know if you tried your 17.5 yet. I run a older Novak ballistic 17.5 and 25.5 and I love them. Good wheel speed with the 17.5 on 2s and nice walking speed with the 25.5 and nice slow speed control. The thing I think is more important with sensored motors is having the right esc that is designed for crawling or you can program the right firmware for crawling I did just get my first brushed crawling setup a wp1080 and a crawlmaster sport 550 21t and I hope it works as nice as my brushless |
11-03-2019, 04:54 PM | #13 |
RCC Addict Join Date: Nov 2017 Location: 3rd rock pile on the right
Posts: 1,801
| Re: Sensored motors
Im goina go with a castle mamba x n a HH puller pro 2700kv wen i get to the electronics part of my build Sent from my SM-J327VPP using Tapatalk |
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