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Serum
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10.21.2007, 06:32 AM

Yeah, they are nice motors for sure.

But i prefer Neu. They seem to be more efficient and broadly available in the US.

Once castle creations launches their Neu/MMM combo the brushless world will change.
   
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rhylsadar
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10.21.2007, 06:35 AM

if i was living in the us i would probably pick a neu too.
if they are more efficient....hard to believe.
as the mamba max works great with a plettenberg i hope the monster version will do the same. so that will hopefully be a very nice and broad usable controller.

bye
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suicideneil
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10.21.2007, 08:30 AM


I'll take the one on the right, thats plenty for my needs! Price wise, ICare-rc sells the BM for $347, whilst the M with fan is $279. So, a bit more pricey than the Neus, but nice motors all the same.
   
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2FastSS4U
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10.21.2007, 09:41 AM

Those motors are sexy, why the need for a fan though with those huge fins on it?


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GriffinRU
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10.21.2007, 12:16 PM

Plettenberg Big Maximum (HP 220/40/A2 S P4 Car)
is a 4-pole motor.
bearings are rated at 70000 RPM, but not the motor efficiency or power...

Motor specs at 18V:
Power - 1271W
Current draw - 70.3A
RPM - 37688
Torque -28.9Ncm
Efficiency 89.8%

max efficiency (91.5%) at ~45A / ~40000RPM / ~18Ncm

Motor can be pushed towards 2000W but efficiency falling dramatically, though great cooling system keeps it from falling apart.
   
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lutach
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10.21.2007, 01:05 PM

I think the Bigmaxximum is a 6 poler motor. If you look at the first picture on this site http://rc.stuurmijmail.nl/Bigmaxximum/index.html you can see 3 bumps which are the magnets and that is half of the rotor.
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GriffinRU
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10.21.2007, 01:31 PM

Quote:
Originally Posted by lutach View Post
I think the Bigmaxximum is a 6 poler motor. If you look at the first picture on this site http://rc.stuurmijmail.nl/Bigmaxximum/index.html you can see 3 bumps which are the magnets and that is half of the rotor.
I will trust Plettenberg catalog :)
Attached Files
File Type: zip Pt_Catalog.zip (185.4 KB, 343 views)
   
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lutach
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10.21.2007, 03:16 PM

They are only mentioning the Maxximum. The BigMaxximum is 6 Poles.
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chilledoutuk
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10.21.2007, 06:03 PM

i thought the plett extreme and shadow are both 4 poles and the indoor was 6 poles.

I cant find any info on that though so correct me if i am wrong.
   
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lutach
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10.21.2007, 06:09 PM

The Extreme is 6 poles. I have it open to change the bearing.
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zeropointbug
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10.21.2007, 06:47 PM

Regardless, 6 poles, 4 poles, it is not going to change the power output, which is all that matters.


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lutach
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10.21.2007, 07:09 PM

It might not change the power output, but it will certainly have more torque.
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zeropointbug
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10.21.2007, 07:56 PM

Usually, a higher pole motor will have more torque, but a 4 poler can have more, even a 2 pole.

Ex. - Does a Neu motor have twice the torque of a Lehner motor because it's 4 pole, certainly not.


“The modern astrophysical concept that ascribes the sun’s energy to thermonuclear reactions deep in the solar interior is contradicted by nearly every observable aspect of the sun.” —Ralph E. Juergens

Last edited by zeropointbug; 10.21.2007 at 07:59 PM.
   
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BrianG
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10.21.2007, 08:01 PM

It's hard to compare Neu and LMT because they are totally different. Neu is 4 pole but uses slotted stators. The LMT is 2 pole but uses "air core" stators. Each type has advantages, but generally anything in that price range will be VERY similar performance-wise.
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chilledoutuk
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10.21.2007, 08:17 PM

does the plettenberg shadow have 6 poles as well or is that 4 poles?
   
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