Most powerful brushed motor?

[TITANIUM94010]

What's the most powerful brushed motor I can get my hands on? I'm more of a brushless guy and isn't really experienced with brushed motors, I would have gone brushless, but.....budget issues. Which also means no 80 dollar tunable brushed motors.

Most brushed motors have probably around the same power? But there's gotta be at least a few that offers a bit more torque, right? I'm trying to get a TRX4 transmissioned, ar44 axled 10.2 to hit around 20+mph, so slightly higher gearing than usual. Suggestions?

[punkindrublik]

A Holmes Hobbies Torquemaster Sport 550 20t or 27t is hard to beat for $20. If you want step up a bit, the rebuildable Expert series Trailmaster is a great choice at $50.

[vinnieb729]

This might be in line with what you're looking for. $40 = 550, 5 slot, rebuildable, 10T (or 12T). I have a 10T in a TRX4 I'm working on but other then messing with it in my basement for a few minutes to make sure it worked, I can't say much about it.
https://www.amainhobbies.com/team-br...ion10/p1148342

[TITANIUM94010]

Originally Posted by vinnieb729

This might be in line with what you're looking for. $40 = 550, 5 slot, rebuildable, 10T (or 12T). I have a 10T in a TRX4 I'm working on but other then messing with it in my basement for a few minutes to make sure it worked, I can't say much about it.
https://www.amainhobbies.com/team-br...ion10/p1148342

How's the speed and control on it on your TRX4? I'm putting it on a 10.2 with a TRX4 tranny, dosent have portals so higher gearing, but 4.19 tires. I'm trying to decide between 10t or 12t

[vinnieb729]

Originally Posted by TITANIUM94010

How's the speed and control on it on your TRX4? I'm putting it on a 10.2 with a TRX4 tranny, dosent have portals so higher gearing, but 4.19 tires. I'm trying to decide between 10t or 12t

Other than driving it in my house to make sure it works, I haven't used it yet. I'm still finishing the truck. I have a Hobbywing 1080 and low speed for the few minutes I messed with it seemed very good. This is the first Brood motor I've tried.

[TITANIUM94010]

Ok, do you mind keeping me posted on how the performance goes? I'd like to buy this motor but I don't know if it will suit my needs.

[TheLetterJ]

Do you really want the "most powerful" or is staying under a certain pricepoint your goal? The HH Magnum is probably the most powerful brushed motor of its size (that being 540/550) but it's definitely not cheap (seeing how you scoffed at $80) at $150. It uses neodymium magnets and a 775 sized rotor along with many other features that make it not only more powerful, but smoother than most 540/550 brushed motors as well.

As far as 3 slot vs 5 slot goes, all else being equal, the 3 slot will produce more torque and more peak wattage, it just won't be quite as smooth. For your criteria, I'd suggest staying with a 3 slot. The same is true of lower turn count (faster) vs higher turn count (slower) motors, the lower turn count will produce more torque and more peak wattage, at the cost of power efficiency (lower run time from a given battery), but you must make sure you gear correctly so you don't burn it up. You'll be much better off running a very fast motor with very slow gearing than you would be running a slower motor with faster gearing.

Then you need to consider size. A 550 will always make more torque and more peak power than a 540 of equal build. If your car can fit the extra length of a 550 (generally +/- ~6mm longer than a 540), always opt for the longer can (unless the tiny bit of weight gained is more important to you than the power gained.)

At the throw away pricepoint, a 3 slot, 12t 550 like what comes in a Traxxas Slash/Rustler/Stampede (yes, that's pretty fast in a crawler) geared waaaaay down might be the best fit. HH makes a better variation of that motor in their Trailmaster Sport line. $20ish.

Moving up from there gets you into the machine wound rebuildables like HH and Team Brood offer, as far as I know, Tekin does not offer a 550. Around $50.

Next step up would be a hand wound from the same sources. Around $100.

Then you've got the Magnum at $150.


Ready for the ringer that'll ruffle a few feathers around here? Check out the $50 Surpass Hobby 540PLUS motors. They pretty much snaked all the ideas that went into a Magnum motor and used whatever cost cutting measures they could to reach a pricepoint. Now, I'm not saying it would be equal to a HH Magnum, nor am I saying it's junk, but if it could perform say 75% as well, that should still put it WELL ahead of anything that's even close to its $50 price.

Do you also need a new esc? If so, I'd suggest going with something that can run 4s. It does not sound like ultimate low speed resolution is on your list of criteria, so something like a Hobbywing WP880 could fit the bill for ~$30. It's Programmable (same program card as the wp1080, only the 880 only has a 6v bec... but even that is 4a) If I'm honest, it isn't quite as smooth as the 1080, but still a good bang for the buck in a scenario like yours.

[Kingmeow]

Originally Posted by TheLetterJ

Do you also need a new esc? If so, I'd suggest going with something that can run 4s. It does not sound like ultimate low speed resolution is on your list of criteria, so something like a Hobbywing WP880 could fit the bill for ~$30. It's Programmable (same program card as the wp1080, only the 880 only has a 6v bec... but even that is 4a) If I'm honest, it isn't quite as smooth as the 1080, but still a good bang for the buck in a scenario like yours.

I'm in the market for an ESC too. Does the WP880 come with the programming card like the 1080 does? If not, then the additional $10 (I'm guessing) added to the $30 is around the price of the 1080. I do like the WP880's spec of a 4A BEC (vs. 3A) though.

[TheLetterJ]

The programming card is NOT included with the 880, but it does use the same card as the 1080 if you happen to already have one. The 880 is a little bigger, includes a fan, and has motor leads for dual motors (but runs a single motor just fine), it also has a crappier power switch than the 1080 (like the switch Castle still uses.) You can still get the hobbywing 860 for like $25, but the 880 is MUCH better for the extra $5.

If smooth is the goal, it's still hard to beat a 1080 with a 12t 5 slot 550 motor on 3s, but an 880 with a 12t 3 slot 550 on 4s is going to throw down a lot more power. I don't get why the 1080 has smoother startup than the 880, you'd figure coming from the same company and having the same programmable features that they'd run the same, but they don't. I just think that the OP's goal of 20mph with a brushed system in something that started life as a crawler might mean that the tiny difference in startup won't matter, but 4s (maybe by means of 2-2s's depending on what your current battery stash looks like) would make the 20mph goal easy to achieve without giving up too much on the bottom end.

[Inspector86]

The 5 segment Holmes Hobbies Crawlmaster series are the most bang for the buck. It is very hard to beat the Hobbywing 1080WP and Holmes Hobbies Crawlmaster 550 sport 12T for a total cost of $62 for both.

[TITANIUM94010]

Thanks for all the help, really appreciate it. I've got a hobbywing 1080 to run the motor and the other electonics as well. I'm willing to spend 50 dollars at most on a motor.

Mabye I'll try 4s but I don't have any 1/10 ESCs other than the Mamba X that will take 4s, which is in another rig, and running brushed on it is kinda pointless imo. The 540plus motor sounds nice, may buy that one instead of the TB Demolition. I'm still not sure though, ones a 540 and the others a 550, but then again TheLetterJ did say the plus was modeled after the HH Magnum. Is the 540plus worth a try?

[TheLetterJ]

The magnum and 540plus are definitely exceptions to the rule, being both smoother AND more powerful than both 3 slot and 5 slot 540/550's. Think of them as 775 motors in 540 clothing, so even though they are "540" sized, they pack more power than a 550. Kinda like a World Industries 454 small block which looks the same as any old 350 small block Chevy (540 brushed motor) but has the same bore/stroke as a big block 454 (775 brushed motor.) They use 5 slot skewed armatures that give them smoother startup, and much higher quality magnets (and other components) that should make them even more powerful than a typical 775 brushed motor.

My only experience with 775's has been sealed cans in drills and a Traxxas Summit, both of which ran on 4s. Even those could make a 12lb+ Summit wheelie and hit the 20mph mark. I don't have a need for one of these motors, but I was considering a Magnum before I said heck with it and bought a Puller Pro, but the Surpass 540plus is cheap enough for me to pick one up just because.

[Voodoobrew]

Unless the crawlmaster is the only one available you shouldent get it for going 20+mph, a torquemaster has more power then a crawlmaster. people just plug the crawlmaster sport because its newer, but its not built for speed. going from a 540 to a 550 gets you more power but less speed at the same turns, so get a lower turn motor. 21t trailmaster 550 is a good motor. Its around 2200kv if that helps. the 550 will run cooler too.