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-   -   Lehner 1950/6 or Plettenberg BigMaxximum ? (https://www.rc-monster.com/forum/showthread.php?t=3242)

Serum 06.04.2006 10:59 AM

FLM bulkess with ue 8 spiders would be nice. and some UE CVD's stay away from rdlogic shafts.. Mips are okay too.

Well, to go on.. is this your budget for the entire car with electronics, charger and lipo's?

danverz 06.04.2006 11:02 AM

Quote:

Originally Posted by Serum
metalman; the bigmaxximum and the maxximum are different from standard 4 pole motors. they have got this HUGE magnetic resistance, (for the bigmaxximum it's allmost imposible to turn the shaft by hand) normal 4 poles don't have this resistance.. that's what makes it hard to get them on a non schulze controller.

perhaps the shadow is different in this magnetic resistance, i don't know.

This resisance is causing a rather harsh startup with my bigmaxx.

To move the shadow by hands I have to hurt my fingers.
It has the stronger magnet I ever had.

Ciao,
Daniele

Nick 06.04.2006 11:05 AM

Quote:

Originally Posted by Serum
FLM bulkess with ue 8 spiders would be nice. and some UE CVD's stay away from rdlogic shafts.. Mips are okay too.

Well, to go on.. is this your budget for the entire car with electronics, charger and lipo's?

I have RDLogics and it was a mistake, my suspension arms have to be horizontal low as the shafts are too short. Any higher and they pop out every run.

In my own opinion with drivetrain, I've started to buy the best or don't buy it at all. The top stuff is almost indestructable to what most people run.

danverz 06.04.2006 11:06 AM

Quote:

Originally Posted by Serum
FLM bulkess with ue 8 spiders would be nice. and some UE CVD's stay away from rdlogic shafts.. Mips are okay too.

Well, to go on.. is this your budget for the entire car with electronics, charger and lipo's?

I already have the charger and balancers, and I have the Schulze I should sell at this point.
I also have the external BEC, it's a medusaproducts potencia and it works fine.
I also have a pletty shadow to sell about 140 euros.
So the budget is for everything but controller, BEC, charger ...
IF I sell the motor and the controller I have about 1500 euros for everything
but lipos and bec.

But I also have to consider the f*****g italian douane. They probably will charge me 20% of VAT.

Ciao,
Daniele

GriffinRU 06.04.2006 11:17 AM

Quote:

Originally Posted by Serum
metalman; the bigmaxximum and the maxximum are different from standard 4 pole motors. they have got this HUGE magnetic resistance, (for the bigmaxximum it's allmost imposible to turn the shaft by hand) normal 4 poles don't have this resistance.. that's what makes it hard to get them on a non schulze controller.

perhaps the shadow is different in this magnetic resistance, i don't know.

This resisance is causing a rather harsh startup with my bigmaxx.

WOW, lets be careful here...
Any 4-pole motor will have the same story. Plettenberg is a torque-king motor in its size. And with right controller it starts much easier then 2-pole, because it stops always in between poles, not in random position. With desing you can minimize pole-pulling-holding effect (braking) but only with outrunners you can eliminate it completely.

Plettenberg is a very nice motor, but doesn't have as broad RPM range, with high efficiency) as Lehner or BK 2-pole motors. But it does have a torque which most motors do not have, and 4-pole design mean twice more torque with comparison to the same wind 2-pole motor. So if you have a tranny which expand this range then it might be not that bad.

And ones it spins all the pole pulling-pushing is under control and doesn't affect anything.

Plettenberg at starluckrc cost around $210-235

Artur

P.S. Rene are you sure Wanderer is smoother then Plet?

danverz 06.04.2006 11:19 AM

And what do you think about outrunners ?

I have a Cyclon car 5000 and it's a really good and powerful motor for 1/10.
There are some models also more powerful for trucks.

Outrunners seems to me to be really plenty of torque.
Ciao,
Daniele

danverz 06.04.2006 11:21 AM

So let's try with 1200 euros without lipos chargers balancers and bec.

Thanks a lot Serum for your help.
Daniele

Serum 06.04.2006 11:25 AM

griffin;

4 poles normally don't have got this huge resistance, so i don't need to be too carefull.

and yes, i am very sure. I had them both, remember??

like i said, the bigmaxx had this nasty startup in compare to the 2pole feigao. the torque of the bigmaxximum isn't all that buddy! there was this calculation on here somewhere that showed a 8XL had both more torque AND was more efficient. and besides, i tried all differenent gearings with my bigmaxx and i wasn't that impressed. so i don't really know what torque this monster should have shown. Like i said, i tried all different things

coolhandcountry 06.04.2006 11:29 AM

I run a 1950 8t and love it. I run it on 6s lipo now. I ran it before from 14 to 20 cells nimh. I don't have a fan on it and it is great. To my understanding serum the mgm can run a 2 to 20 pole motor from the sheet in them. I don't know how the pletty will work with them.

Serum 06.04.2006 11:34 AM

Yeah leroy, i know. but i never read anyone who actually used the maxxmimum or bigmaxximum on another controller than the schulzes. they are hard in the startup, as i described earlier.

danverz 06.04.2006 11:39 AM

For example, this is really a dream, but I think my budget is too low
for it:

http://homepage.ntlworld.com/ryan.coombes/emaxx.htm

I'm just going to emaxx due to the 1/8 diffs, otherwise I wolud have considered the Revo as well.

Ciao,
Daniele

Serum 06.04.2006 11:42 AM

Ah, yes, Ryan's truck. Ryan is a great guy. I pm-ed you.

Nick 06.04.2006 11:47 AM

I remember Ryan considered changing motors ages ago. I don't think he did though. He was considering using 22mA cells too, as Lipos weren't really about and he wanted to lose some weight.

danverz 06.04.2006 11:59 AM

Quote:

Originally Posted by Serum
Ah, yes, Ryan's truck. Ryan is a great guy. I pm-ed you.

I replied :)

GriffinRU 06.04.2006 11:59 AM

Quote:

Originally Posted by Serum
griffin;

4 poles normally don't have got this huge resistance, so i don't need to be too carefull.

and yes, i am very sure. I had them both, remember??

like i said, the bigmaxx had this nasty startup in compare to the 2pole feigao. the torque of the bigmaxximum isn't all that buddy! there was this calculation on here somewhere that showed a 8XL had both more torque AND was more efficient. and besides, i tried all differenent gearings with my bigmaxx and i wasn't that impressed. so i don't really know what torque this monster should have shown. Like i said, i tried all different things

Yea, I do.
But my plett matted to MGM ESC and it is a sweet combo. And, yes we did compare plett with XL motors and there I said that it is not fair to compare them size wise.
I do not want to go into details, just want to bring some good points about plett.
Which standard 4-pole motor you have in mind? Not the ones with skewed armature I hope :)

So far my complain on Plettenberg motor is that it is too hard on pinions and spur gears. But thats true for any high-torque application with poor gear mesh.

Artur


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