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11-21-2018, 05:23 PM | #1 |
Newbie Join Date: Nov 2018 Location: US
Posts: 32
| Choosing a motor for kit build
The dynamite fuse that comes in the rtr has a 5mm shaft. It I build from the kit does my motor also need a 5mm shaft? Seems like 3.17mm is a lot more common. Should I just buy a pinion gear with a 3.17 bore, or will that be a disability issue? Sent from my LG-H872 using Tapatalk Last edited by cfritznewton; 11-21-2018 at 05:52 PM. |
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11-22-2018, 12:00 AM | #2 |
Pebble Pounder Join Date: Oct 2018 Location: boise
Posts: 107
| Re: Choosing a motor for kit build
Rock Rey is pretty heavy and burly. 5mm is probably preferred. I'm running a castle 1512 2650kv motor. Probably need to look at 1/8 scale motors. Just make sure they aren't any thicker than the castle 1512 because it barely fits.
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04-08-2019, 08:05 PM | #3 |
Newbie Join Date: Apr 2012 Location: Seattle
Posts: 40
| Re: Choosing a motor for kit build You pushing 3S on the 2650kv motor Furadi? I've been thinking about brushless for an SCX10. I have tons of 4S packs already but I haven't seen many people running 4S and lower kv, like 1800kv with 4S for a crawler/trail truck.
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04-09-2019, 06:02 AM | #4 |
Quarry Creeper Join Date: Nov 2018 Location: Oakley
Posts: 479
| Choosing a motor for kit build
I am running a Holmes Puller Pro 540 BL 2700kV. It is a 3mm shaft and i bought a 3mm MOD1 pinion set for it in 9T and 12T. It works really well and crawls awesome(which was my goal) but the 3mm MOD1 pinions seem to be a rare bird. ECX Pinion Gear 9T/12T x 3mm Mod 1 https://www.amazon.com/dp/B00IJE9MJO...p_mob_ap_share Ive also seen a sleeve that converts the 3mm shaft to 5mm to let you run normal pinions. |
04-09-2019, 03:58 PM | #5 |
I wanna be Dave Join Date: Jul 2013 Location: Minneapolis
Posts: 5,202
| Re: Choosing a motor for kit build
I would look at 550 can motors. Majority of them have 5mm shafts. I put a Pro4 HD 3500kv in mine. Other options would be Holmes Puller Pro XL, Team Brood 550. Hobbywing 3660. Hobbywing being the most affordable of them all. I ran a hobbywing in my old Yeti and I had no complaints with it if you are looking at a more budget option for sensored brushless.
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11-17-2019, 12:43 PM | #6 |
Rock Crawler Join Date: Nov 2019 Location: Erie
Posts: 547
| Re: Choosing a motor for kit build
For what it's worth, I took the stock esc/motor out wanting something a bit slower and better for crawling/trail running and wanting to stay with 3s lipo. I already had a Viper VTX8 esc in my spare and ended up buying a Hobbystar 4-pole 550 can 1800kv SCT sensored motor. Motor was 69 bucks. Still fast enough to get the car in trouble easily, has a ton of grunt, and great throttle control. Impressed enough that I'm going to get their 540 4-pole 2400kv sensored crawler motor for my Losi Comp Crawler. That motor is only 59 bucks.
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