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01-07-2015, 10:58 PM | #1 |
RCC Addict Join Date: Apr 2009 Location: LA
Posts: 1,662
| Cheap low-speed sealed-can throw-away crawling motor possibility
I just picked up 3 of these $3.89 (shipped, 99.9%+ feedback in 6k+ items seller) on eBay and won't see them for a while but I thought maybe others would like to try them (or have tried them) and chime in regarding their experience: New Large Mabuchi RS 555PH 3255 12V DC Motor | eBay"This unit features 5 pole construction for higher torque and power efficiency, anisotropic magnets, and coil specs of 55 turns of 32mm wire." Motor Data:
Last edited by StomperCrawler; 01-07-2015 at 11:03 PM. Reason: 99.9%, not 100%+ feedback |
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01-08-2015, 12:36 AM | #2 |
RCC Addict Join Date: Aug 2014 Location: Virginia, Near DC, USA
Posts: 1,607
| Re: Cheap low-speed sealed-can throw-away crawling motor possibility
5-pole magnets? Wow, Mabuchi has invented monopoles!
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01-08-2015, 01:09 AM | #3 |
RCC Addict Join Date: Apr 2009 Location: LA
Posts: 1,662
| Re: Cheap low-speed sealed-can throw-away crawling motor possibility |
01-08-2015, 02:51 AM | #4 |
RCC Addict Join Date: Mar 2007 Location: Turn the mayflower around.. it will never work
Posts: 1,588
| Re: Cheap low-speed sealed-can throw-away crawling motor possibility
This Johnson vs mabichi debates been around for some time........ They are both cheap and run. Not an upgrade really from stock axial motor.
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01-08-2015, 03:15 AM | #5 |
RCC Addict Join Date: Apr 2009 Location: LA
Posts: 1,662
| Re: Cheap low-speed sealed-can throw-away crawling motor possibility |
01-08-2015, 05:06 AM | #6 |
Quarry Creeper Join Date: Sep 2012 Location: 01011
Posts: 389
| Re: Cheap low-speed sealed-can throw-away crawling motor possibility
It should suffice as a "stock" replacement but you wont have it last too long. I bought 3 a few years ago and all 3 lasted a total of about 2 months of weekend bashing. No water or mud was involved in the bashing as the rig wasn't waterproofed. They work good for the price but don't expect longevity or a ton of stump pulling torque..
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01-08-2015, 05:57 AM | #7 |
RCC Addict Join Date: Apr 2009 Location: LA
Posts: 1,662
| Re: Cheap low-speed sealed-can throw-away crawling motor possibility
Were they cleaned and lubed after each run?
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01-08-2015, 07:54 AM | #8 |
RCC Addict Join Date: Mar 2007 Location: Turn the mayflower around.. it will never work
Posts: 1,588
| Re: Cheap low-speed sealed-can throw-away crawling motor possibility It does not really matter. They are non re buildable and use totally different type of brushes. If you tore it down and looked at any other rebuildable motor you would see the many differences and problems they pose. Those motors will basically have no drag brake due to type of brushes and lack of springs, then there the fact they have no bearings....... None of two of those motors act the same...... Always short lived.even a cheap integy lathe motor is an upgrade over those types of motors. Also why run a 55 turn at that? 35 turn and lower is where you want to be. 55 is too too slow.
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01-08-2015, 08:08 AM | #9 |
RCC Addict Join Date: Apr 2009 Location: Token's life matters
Posts: 1,836
| Re: Cheap low-speed sealed-can throw-away crawling motor possibility
Those motors have some applications, but an rc crawler is not one of them. A decent motor can be had for about $36. One that can, and was meant to be serviced. Even if they were free, the hassle of swapping them when they burn out makes them no where near a bargain.
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01-08-2015, 12:03 PM | #10 |
Quarry Creeper Join Date: Apr 2010 Location: Baraboo
Posts: 215
| Re: Cheap low-speed sealed-can throw-away crawling motor possibility
I'm getting some just for the kids to bomb around the back yard. A Traxxas Slash doesn't need to do 20mph in a small space. This are like 463kv motors. |
01-08-2015, 04:13 PM | #11 |
Rock Crawler Join Date: Nov 2014 Location: Grimcity, On
Posts: 571
| Re: Cheap low-speed sealed-can throw-away crawling motor possibility Do you think the kids will enjoy having to wait for you to change the motor for them? Why not just replace with a standard traxxas sealed can? Ebay and they are cheap enough, and will last more than a battery or two.
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01-08-2015, 05:17 PM | #12 |
owner, Holmes Hobbies LLC Join Date: Nov 2004 Location: Volt up! Gear down!
Posts: 20,290
| Re: Cheap low-speed sealed-can throw-away crawling motor possibility
I carried that motor for a while. Painfully slow, even on 6s lipo. Not enough power to really use on anything less than 6s either. Most brushed motor manufacturers list slots as poles. Technically it is the stator pole count, just the opposite part compared to a slot. |
01-08-2015, 08:45 PM | #13 |
RCC Addict Join Date: Apr 2009 Location: LA
Posts: 1,662
| Re: Cheap low-speed sealed-can throw-away crawling motor possibility |
01-08-2015, 08:47 PM | #14 |
RCC Addict Join Date: Apr 2009 Location: LA
Posts: 1,662
| Re: Cheap low-speed sealed-can throw-away crawling motor possibility |
01-08-2015, 10:08 PM | #15 | |
RCC Addict Join Date: Mar 2007 Location: Turn the mayflower around.. it will never work
Posts: 1,588
| Re: Cheap low-speed sealed-can throw-away crawling motor possibility Quote:
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01-11-2015, 09:17 AM | #16 |
RCC Addict Join Date: Apr 2009 Location: LA
Posts: 1,662
| Re: Cheap low-speed sealed-can throw-away crawling motor possibility
I sense sarcasm brewing...
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01-26-2015, 12:59 PM | #17 |
RCC Addict Join Date: Aug 2014 Location: Virginia, Near DC, USA
Posts: 1,607
| Re: Cheap low-speed sealed-can throw-away crawling motor possibility Nevermind, I misunderstood what the seller was describing. It's not a 5-pole motor (which would be impossible -- magnets always have an even number of poles), it's a 4-pole motor, just like all brushed motors -- a north pole and a south pole on each side of the can. The number 5 refers to the number of armature windings -- instead of having 3 armature windings, it has 5.
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Tags |
brushed motor, cheap 550 motor |
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