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11-07-2022, 08:40 AM | #21 | |
Newbie Join Date: Jul 2019 Location: United States
Posts: 18
| Re: Capra motor/ esc replacement questions Quote:
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11-07-2022, 09:46 AM | #22 |
Rock Stacker Join Date: Sep 2022 Location: Central CT
Posts: 94
| Re: Capra motor/ esc replacement questions
Yeah it’s nice to find something that’s actually cheap in this hobby just play with and try. I’ve actually been liking that 20T. I put a little expo on my throttle and it really is very smooth and slow starting. It definitely doesn’t have enough drag brake to hold still on the steepest descents, but it’s extremely controllable and easy to keep in place With throttle or slowly creep up or down the hill without being jumpy at all. That’s with a hobby wing 1080 with freewheeling enabled. For only $16 I just got a trail master 55T that I’ll swap in just to see how they compare. Sent from my iPhone using Tapatalk |
11-07-2022, 10:56 AM | #23 |
RCC Addict Join Date: Nov 2017 Location: Austin Texas
Posts: 1,615
| Re: Capra motor/ esc replacement questions
@ chilly- Have you played around with the drag-brake setting on the 1080? Or does the drag-brake not function with free-wheel enabled?
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11-07-2022, 11:53 AM | #24 |
Rock Stacker Join Date: Sep 2022 Location: Central CT
Posts: 94
| Re: Capra motor/ esc replacement questions
I haven’t really tried different settings back to back, and I’m no expert, but my understanding of that freewheeling setting is that it intelligently will coordinate the drag brake with the throttle so as you give it light throttle while you’re going down it will crawl under control. As opposed to the stock ESC that as soon as I touched the throttle at all the brake turned off and it just started rolling downhill like a freight train. I Haven’t tested settings back to back though. I have all the same settings on my vanquish Phoenix, and it will sit parked on the steepest hill it can hold traction on. So I think it’s the motor and transmission combination, not a ESC setting. Sent from my iPhone using Tapatalk |
11-07-2022, 01:03 PM | #25 |
Newbie Join Date: Jul 2019 Location: United States
Posts: 18
| Re: Capra motor/ esc replacement questions
This is my capra stock : https://www.youtube.com/watch?v=iKh_u1imVDs&t=124s And with 11T pinion. https://www.youtube.com/watch?v=7cF0_RyKY0Q After installing the 11T i noticed that if i'm gentle with the throttle its ok. With that said i think it doesnt have enough low end torque. This resulting in difficulty modulating speed over obstacles. When i apply enough throttle in order to climb a rock and when the wheel is on top of the rock, it has too much throttle and will jump forward. Unless you fast enough to leave the throttle - i find it close to impossible to modulate. Maybe more torque will help with getting constant speed. Last edited by 2wdx2; 11-07-2022 at 01:09 PM. |
11-07-2022, 02:31 PM | #26 |
Rock Stacker Join Date: Sep 2022 Location: Central CT
Posts: 94
| Re: Capra motor/ esc replacement questions
Yeah that's possible. It doesn't look too bad in the videos, but the ESC swap could help, it made a big difference for me. I just threw a couple clips up - this was still the stock motor, but with a HW1080 and 11T: It's pretty smooth even there and the 20T helps further Capra crawl |
11-07-2022, 02:40 PM | #27 |
Newbie Join Date: Jul 2019 Location: United States
Posts: 18
| Re: Capra motor/ esc replacement questions
Sounds good. If you notice in the video it doest look like there is any brake. So yeah maybe a 1080 will help here |
11-07-2022, 09:39 PM | #28 | |
Newbie Join Date: Jul 2019 Location: United States
Posts: 18
| Re: Capra motor/ esc replacement questions Quote:
I guess the stock firma 40 can be programmed with the hobbywing card. There few settings that can help with smoother startup. Sent from my iPhone using Tapatalk | |
11-08-2022, 07:41 AM | #29 |
Rock Stacker Join Date: Sep 2022 Location: Central CT
Posts: 94
| Re: Capra motor/ esc replacement questions Oh I guess the RTR 4WS has different electronics - I didn't realize that, so yeah give that a shot, maybe it's better than what came in the 2WS... Dynamite something or other, with just jumpers.
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11-08-2022, 08:11 AM | #30 | |
Newbie Join Date: Jul 2019 Location: United States
Posts: 18
| Re: Capra motor/ esc replacement questions Quote:
So i can change the motor start, the default is somewhere in the middle. | |
11-08-2022, 05:52 PM | #31 |
RCC Addict Join Date: Nov 2017 Location: Austin Texas
Posts: 1,615
| Re: Capra motor/ esc replacement questions
@ chilly and 2wdx2 - Really appreciate you continuing to chime in here about your experience and findings on this topic. I'm reading along intently.
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11-08-2022, 08:02 PM | #32 | |
Newbie Join Date: Jul 2019 Location: United States
Posts: 18
| Re: Capra motor/ esc replacement questions Quote:
Of course will keep update on how the crawlmaster 20T works on my Capra with different settings on the esc. Im going to post a video showing the Effects of the different pinions 11t vs 14t using both the stock motor and the CM. Hope it will help someone in the future. If none of the above help, I may go with 3 gear transmission or brushless fusion with FOC. Sent from my iPhone using Tapatalk | |
11-12-2022, 06:18 PM | #33 |
Newbie Join Date: Jul 2019 Location: United States
Posts: 18
| Re: Capra motor/ esc replacement questions
Replaced the motor, didn’t have a chance yet to go outside and try it. Did some experimenting at home: Doesn’t seems like a dramatic change but time will tell. https://youtu.be/xMZIdWZj5cg Sent from my iPhone using Tapatalk |
11-21-2022, 07:03 PM | #34 |
Rock Stacker Join Date: Sep 2022 Location: Central CT
Posts: 94
| Re: Capra motor/ esc replacement questions
I finally got around to trying the holmes 55T trail master to compare it against the 20T crawl master. I don’t have any videos, but it definitely has a stronger drag brake and is somewhat less smooth with fine low speed control. Not bad, but not as good. I am not sure how much better it is than stock - I’m too lazy to put the stock back on in test them back to back. It’s not a jump up and down difference from the stock 35t, but I’m definitely gonna stick with it. I really liked the 20 T crawlmaster, but the drag brake just wasn’t strong enough to hold it and it was becoming a little annoying. All that aligns with what the holmes recommendations were, so I think we all know he’s a smart guy by now, turns out, it’s true! Sent from my iPhone using Tapatalk |
11-21-2022, 10:49 PM | #35 | |
RCC Addict Join Date: Nov 2017 Location: Austin Texas
Posts: 1,615
| Re: Capra motor/ esc replacement questions Quote:
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12-05-2022, 05:02 PM | #36 |
Newbie Join Date: Jul 2019 Location: United States
Posts: 18
| Re: Capra motor/ esc replacement questions |
12-05-2022, 06:29 PM | #37 |
Rock Crawler Join Date: Nov 2019 Location: Erie
Posts: 546
| Re: Capra motor/ esc replacement questions
My 2 cents regarding this odd creature called the Capra. I “think” with the weird ratio of the stock gearbox it would take a quality hand wound motor in the appropriate kv range to get decent low speed control. I originally had a Castle Mamba X and a Holmes Revolver V2 2200kv in mine and it was butter smooth on the low end, but likely because of the mega torque and incredible low speed control of the Revolver motor. Swapped it for a Holmes 2200kv Puller Pro Stubby and the low speed wasn’t near as good with the same esc settings. I will say that the top speed was much faster than needed with either of those motors and a 11 tooth pinion. I have since swapped in a Hobbywing Fusion 1800kv (along with a Spare Time Hobbies center skid to make it possible to fit the motor) and running a 11 tooth pinion it has incredible low speed control, Velcro-like drag brake, and the top speed is perfect for me. 1800kv or less with a high end brushed motor would likely make the Capra behave well using the stock gearbox. Having said that, IF the new Hobbywing Fusion SE would fit with the stock skid (or with an aftermarket skid) it should be an incredible choice given the $70-80 price tag. Last edited by King Dork; 12-05-2022 at 06:33 PM. |
12-10-2022, 04:47 PM | #38 | |
Newbie Join Date: Jul 2019 Location: United States
Posts: 18
| Re: Capra motor/ esc replacement questions Quote:
OR go with what i consider better solution, the amazon 3 gear transmission. | |
12-10-2022, 07:30 PM | #39 |
RCC Addict Join Date: Jun 2008 Location: Mudville
Posts: 1,591
| Re: Capra motor/ esc replacement questions
Good info here. Just got my cap from the last BF sale. been reading up looking at feedback. I want to run my stock (older original rtr version) a bit to get a feel for it. First upgrade is likely going to be the Vader flat skid and steering servo. Then ESC/Motor. Was thinking the 1080WP and a HH/Tekin motor option to suit. Most of my stuff ends up brushless, and was thinking of keeping one (This or the Bomber) brushed, and the bomber now has my hw XR8SCT/3600kv in it. So that leaves keeping the Capra brushed, but it seems technology just needs to advance. lol So now I'm leaning towards one of the new Fusion options from HW, likely the 1800 to keep some wheel speeds available. At any rate, I'll keep reading so long as you all keep commenting. lol Winter here in Mi so I have time before I'll be outside playing. |
12-11-2022, 10:24 AM | #40 |
Rock Crawler Join Date: Nov 2019 Location: Erie
Posts: 546
| Re: Capra motor/ esc replacement questions 11 tooth is the smallest pinion I was able to fit with any of the 3 motors that I’ve tried in mine and was just able to get decent gear mesh. Not sure how others have fit 9 or 10 tooth with the stock trans. Nonetheless, the 1800 Fusion with the 11 tooth pinion is money so far. If it didn’t please me I was going to go with the Amazon 3 gear w/dig.
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