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Unread 01-10-2010, 10:00 AM
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2010 Mabuchi Motor Specs....

This goes out to all the EE Sparkies out there...

Any sign of a new motor spreadsheet for 2010 KOP motors?

And specifically... , anyone know the difference between the

RS555SH-2670
RS555VC-3754

Motors?

Thanks.....
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Unread 01-10-2010, 01:57 PM
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Re: 2010 Motor Specs....

Google yields some results. Both motors appear to be in the range of ~40W peak power if I recal. Not very powerful, but still may be useful.
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Unread 01-11-2010, 09:54 AM
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Re: 2010 Motor Specs....

RS555VC - HERE

RS555SH - HERE
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Last edited by Collin Fultz : 01-11-2010 at 11:40 AM. Reason: fix link
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Unread 01-11-2010, 03:20 PM
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Re: 2010 Motor Specs....

Quote:
Originally Posted by Collin Fultz View Post
RS555VC - HERE

RS555SH - HERE
Thank you.
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Unread 01-11-2010, 06:55 PM
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Re: 2010 Motor Specs....

Quote:
Originally Posted by Collin Fultz View Post
RS555VC - HERE

RS555SH - HERE
Can we use the banebots transmissions for these motors?
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Unread 01-11-2010, 07:00 PM
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Re: 2010 Motor Specs....

Quote:
Originally Posted by David Dawson View Post
Can we use the banebots transmissions for these motors?
According to Section 8, as long as they're under the cost limits (and you use these specific motors), there are no limits on COTS transmissions and gearboxes.
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Unread 01-11-2010, 07:10 PM
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Re: 2010 Motor Specs....

I think you misunderstood the question . I was wondering is it Possible to use the banebots transmission?
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Unread 01-11-2010, 07:14 PM
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Re: 2010 Motor Specs....

Quote:
Originally Posted by David Dawson View Post
I think you misunderstood the question . I was wondering is it Possible to use the banebots transmission?
You'll probably need the right pinion gear, but it looks like you should be able to.
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Unread 01-12-2010, 01:17 AM
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Re: 2010 Motor Specs....

Regarding the RS-555SH-2670, I searched Google with RS-555SH-2670 filetype:pdf, and got four useful results, including three that referred to that exact part number. The fourth was the one linked above, but it doesn't specify that it's the -2670.
  • From Ignis: 24 V, 8 200 rev/min free, 0.14 Nm stall, 7.00 A stall, 0.16 A free => 7.56 W max. at 12 V.
  • From Kinmore: 12 V, 4 500 rev/min free, 0.11 Nm stall, 4.40 A stall, 0.19 A free => 13.29 W max. at 12 V.
  • From Globalsources: 12 V, 4 500 rev/min free, 0.11 Nm stall, 4.40 A stall, 0.19 A free => 13.29 W max. at 12 V.
  • From Compucanjes (cited above): 24 V, 8 500 rev/min free, 0.23 Nm stall, 9.00 A stall, 0.18 A free => 12.52 W max. at 12 V.
The last ones are quite similar (once you convert them to 12 V), but the first is way off. (I don't think it has anything to do with the gearbox, since the torque values are not scaled as you'd expect if the gearbox were included.) I can't find a good reason to ignore the first set of datawhich refers to this motor by number.

Maybe I'm missing something (so feel free to check my math). Either way, it appears that this isn't a very powerful motor.
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Unread 01-12-2010, 12:35 PM
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Re: 2010 Motor Specs....

Quote:
Originally Posted by David Dawson View Post
Can we use the banebots transmissions for these motors?
It looks like the 36 mm gearboxes from BaneBots line up.

The previous years' RS540/550 motors have the same 25mm mount pattern and 3.17mm shaft

But sadly BaneBots only has one type of gearbox 64:1 for the 36mm sizes
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Unread 01-12-2010, 12:44 PM
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Re: 2010 Motor Specs....

Quote:
Originally Posted by lynca View Post
It looks like the 36 mm gearboxes from BaneBots line up.

The previous years' RS540/550 motors have the same 25mm mount pattern and 3.17mm shaft

But sadly BaneBots only has one type of gearbox 64:1 for the 36mm sizes
The P60 series is also designed to accept the RS-540/545/550/555 motors and has a wider range of available ratios
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Unread 01-12-2010, 12:59 PM
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Re: 2010 Motor Specs....

While on the subject of these two motors, has anyone been able to locate a source for spares?
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Unread 01-27-2010, 05:28 PM
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Straight from the horse's mouth...

Hi all,

It has taken almost 3 weeks but I finally tracked down the right guy at Mabuchi who could give me the official skinny on the 2010 KOP Motors (thanks to my past life as a electromechanical guy at GM/Delphi, the folks at Mabuchi return my calls ;-)

Special shout out to
Chris Tate
Sales Engineering Manager
Mabuchi Motor America Corp.
Now for the specs...

RS555SH-2670 at 12V (note curves in the specs are at 24V)
  • Free Speed = 4200RPM
  • Stall Torque = .11 N-m
  • Stall Current = 4.5A
  • Peak Power = 12W
RS555VC-3754
  • Free Speed = 4000RPM
  • Stall Torque = .28 N-m
  • Stall Current = 12A
  • Peak Power = 30W
See specs for packaging and more details.

Cheers,
Joe J.
Attached Files
File Type: zip FIRST_2010_Mabuchi_Motor_Data.zip (590.2 KB, 272 views)
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Last edited by Joe Johnson : 01-27-2010 at 06:21 PM.
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Unread 01-27-2010, 06:38 PM
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Re: 2010 Mabuchi Motor Specs....

Great work finding these specs, Joe.

One little thing: my interpolation of the provided -3754 graph gives stall current of 10.9 A, not 12 A, stall torque of 0.29 Nm, not 0.28 Nm, peak power of 30.5 W, not 30 W, and free speed of 4 050 rev/min, not 4 000 rev/min...although those differences would probably be within normal variation anyway.
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