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-   -   Looking for a lehner 1930 (https://www.rc-monster.com/forum/showthread.php?t=18216)

BL_RV0 01.21.2009 10:57 PM

Looking for a lehner 1930
 
If anyone has one of any wind, shoot me a PM or post here!! THANKS

BrianG 01.21.2009 11:05 PM

Just curious; why a Lehner? Sure, they are nice motors, but getting support seems to be a PITA. Neu is just as good if not better, and Medusa is not that far behind...

BL_RV0 01.21.2009 11:12 PM

The 1930 is ideal for my app- Just the right size, very lightweight, and an amazing weight to power ratio.

skellyo 01.21.2009 11:40 PM

Quote:

Originally Posted by BL_RV0 (Post 254519)
The 1930 is ideal for my app- Just the right size, very lightweight, and an amazing weight to power ratio.

Lehner 1930 = 36mm dia X 54mm long
Medusa 36-60 = 36mm dia X 60mm long
Neu 1509 = 39mm dia X 54mm long

What's wrong with the sizes of the Medusa or Neu? IMO, a Neu 1509 is hands down a better motor than a Lehner 1930 and the Medusa is probably as good or better too. Aside from that, you're probably going to spend as much or more on a used 1930 than a new Neu or Medusa. Then, good luck with any support at all if you ever have problems with it.

Takedown 01.21.2009 11:48 PM

Its all personal preference...

brushlessboy16 01.22.2009 08:16 AM

Quote:

Originally Posted by Takedown (Post 254532)
Its all personal preference...

Dont see why you wouldnt want to support the US economy...:whistle:

and as stated before, how is the 1930 perfect for your application, its 1509 sized AND only 2 pole for crying out loud..... Its gonna get a bit warm in your hyper stw

Takedown 01.22.2009 01:52 PM

Quote:

Originally Posted by brushlessboy16 (Post 254601)
Dont see why you wouldnt want to support the US economy...:whistle:

and as stated before, how is the 1930 perfect for your application, its 1509 sized AND only 2 pole for crying out loud..... Its gonna get a bit warm in your hyper stw

I could honestly careless about supporting the USA economy. Im not a neu fan and never really was. Their nice motors with great build but I prefer german made materials... And ben you cant say that the neu will preform better by any means. Its all testing, trial and error. And whats the problem with 2-pole, nothing. The build quality for lehners is bar-non the highest if not closest to highest quality acheivable with the materials we have today. IMHO... :whistle:

skellyo 01.22.2009 02:14 PM

Quote:

Originally Posted by Takedown (Post 254644)
I could honestly careless about supporting the USA economy.

Spoken like a teenager that doesn't have to work to support themselves.


Quote:

Originally Posted by Takedown (Post 254644)
Im not a neu fan and never really was. Their nice motors with great build but I prefer german made materials... And ben you cant say that the neu will preform better by any means. Its all testing, trial and error. And whats the problem with 2-pole, nothing. The build quality for lehners is bar-non the highest if not closest to highest quality acheivable with the materials we have today. IMHO... :whistle:

Hmm, let's see...Neu Motors are in more NAMBA record boats than any other motor: http://www.namba.com/content/records.asp?EventType=11

How about IMPBA records...more than Lehner yet again:
http://www.impba.net/upload/record/record.pdf

I'm still not sure why anyone would want to spend more money on a 2 pole motor just because it's German. Personal preference is one thing, but implying the German materials are better is just plain ridiculous. Perhaps you've just never been a Neu fan because you've never had the cajones to buy one? http://www.rc-monster.com/forum/show...8&postcount=40

Have you ever even owned a Lehner?
http://www.rc-monster.com/forum/show...9&postcount=69

Takedown 01.22.2009 04:37 PM

I have never owned a neu or lehner and I admit it but i have owned hackers. Ive seen neu's and lehners race head to head at my lhs and up in greenbay and I prefer lehners. The neus have a little better low end accel from what Ive noticed and the lehners are pretty decent on low end but have a greater powerband on mid-high end which is what I prefer... And yes I would spend the extra cash on a 2-pole lehner because its what I prefer and that comes back to what I said before. "Its all personal preferance..."

Takedown 01.22.2009 04:42 PM

Quote:

Originally Posted by skellyo (Post 254652)
Spoken like a teenager that doesn't have to work to support themselves.

I am not home very often and when Im home its so I can be on the computer. I pay for 80% of the stuff that I need accept for food/grocery's. 50% of the money I have go towards hanging out with friends and the other 50% goes towards this hobby. I am currently looking for another job because Im saving for a newer "car".

brushlessboy16 01.22.2009 07:37 PM

Quote:

Originally Posted by Takedown (Post 254668)
I have never owned a neu or lehner and I admit it but i have owned hackers. Ive seen neu's and lehners race head to head at my lhs and up in greenbay and I prefer lehners. The neus have a little better low end accel from what Ive noticed and the lehners are pretty decent on low end but have a greater powerband on mid-high end which is what I prefer... And yes I would spend the extra cash on a 2-pole lehner because its what I prefer and that comes back to what I said before. "Its all personal preferance..."

hackers arent either of the others... And how can you compare the two cuz u have seen them race, you dont know all the important details. You cant base everything on what you see. if u dont want low end power and you want midrange-get nitro and be done.

Takedown 01.22.2009 10:59 PM

You have no say in this either since you havent ran a real neu or lehner....

brushlessboy16 01.22.2009 11:06 PM

Quote:

Originally Posted by Takedown (Post 254765)
You have no say in this either since you havent ran a real neu or lehner....

Im not the one saying one is better then the other. and the CC 2200 is just as nice as the real thing.

lincpimp 01.23.2009 12:02 AM

Hey kids! I have owned all of the mentioned motors...

Lehner 1930 = 36mm dia X 54mm long
Medusa 36-60 = 36mm dia X 60mm long
Neu 1509 = 39mm dia X 54mm long

So you need a motor that is somewhere in those specs. Nothing against a lehner, but a hacker c50 motor will be just as good. They are a bit large in diameter, but a L can should do what you want (based on what lehner you are looking for)

Some other info about your desired results and setup would be cool.

As for the race that TD saw. Give me either vehicle and I will make it faster than the other. Setup and driver skill are about 60-80% of the total. Plus battery choice will make a big difference.

What's_nitro? 01.23.2009 12:13 AM

I own both. Neu and Lehner. I think the quality of either one could be called: THE BEST. They each have their own benefits performance wise. If we knew what the "app" was it would make this a lot easier. In a nutshell: if it's light/speedy- Lehner. If it's heavy/torquey- Neu.

BL_RV0 01.23.2009 12:22 AM

Which do you prefer?

What's_nitro? 01.23.2009 12:23 AM

For what? :neutral:

BL_RV0 01.23.2009 12:28 AM

Say, um a lightweight truggy.

What's_nitro? 01.23.2009 12:30 AM

Lehner < (9 pounds) < Neu

BL_RV0 01.23.2009 12:33 AM

What makes the lehners so much lighter than neus?

BrianG 01.23.2009 12:34 AM

No heatsink and less material due to the slotless stator?

What's_nitro? 01.23.2009 12:38 AM

Mainly the slotless design. That iron is heavy. But the Neus have a larger can as well, then if you get the finned can it's even more weight.

BL_RV0 01.23.2009 12:42 AM

I wish neu would make a 1412.... :oh:

What's_nitro? 01.23.2009 12:46 AM

I wish Neu would allow us to order custom motors via a "click-and-drag" interface. :smile:

lincpimp 01.23.2009 01:55 AM

Quote:

Originally Posted by What's_nitro? (Post 254805)
Lehner < (9 pounds) < Neu

9lb truggy:lol:

Stick with a neu for those truggy size wheels and tires. You need torque to make the heavier wheels/tires react quickly. If you plan to make it super light, a 1512 or medusa 60mm on 6s should do the trick. Something like 3000mah 25-30c cells for power.

brushlessboy16 01.23.2009 07:41 AM

Quote:

Originally Posted by lincpimp (Post 254832)
9lb truggy:lol:

Stick with a neu for those truggy size wheels and tires. You need torque to make the heavier wheels/tires react quickly. If you plan to make it super light, a 1512 or medusa 60mm on 6s should do the trick. Something like 3000mah 25-30c cells for power.

Dont know how you plan to get the truck under 9lbs.... Everywhere I have looked has the kit weighed as 9.5lbs without electronics.:whistle:

bdebde 01.23.2009 12:03 PM

Even at 9lbs I would not run a 1930. I ran one in my buggy at 7.6lbs, worked great if geared less than 40mph, anything more and it would start to get hot. I now run a 1940, and don't have to worry about gearing (just getting the batteries too hot,lol).

othello 01.23.2009 12:55 PM

The Lehner 1930 is a small powerful motor and a good choice for a very light wheight buggy with conservative gearing. On our austrian forum a user tried his XT8 truggy with his Lehner 1930 which he primarely used to power his Mugen MBX5R. On loose surfaces he never faced temperature issues and had plenty of power even in a truggy: see video and picture of Lehner 1930 mounted.

On high grip surfaces and more throttle use the Lehner 1930 run hot: see eagletree graph 1, graph 2 (temp b represents motor temperature in degrees Celsius)

No wonder when you think about its very small mass. I personaly used a Neu1512 powering my buggy and it is was a perfect fit. It also powered my truggy for quite some time but did run hotter than a Neu 1515.

One thing you have to be very careful about when using Lehners optional fan cooled motors is to protect the motor from dust, stones which could be sucked into the motor. There is only a very small gap between rotor and windings. Some pictures of a Lehner 1950 prepared for offroad use by one of our german forum user (PlanBFidelity): shielding pic 1, pic 2

Takedown 01.23.2009 01:44 PM

Getting your truggy under 9lbs shouldnt be to difficult.

lincpimp 01.23.2009 02:02 PM

Quote:

Originally Posted by Takedown (Post 254927)
Getting your truggy under 9lbs shouldnt be to difficult.

Just don't run wheels or tires and you will easily get under 9lbs... (note sarcasm)

Takedown 01.23.2009 02:04 PM

Lol...:lol: Use lightweight t6-t7 aluminum, carbon fiber, fiberglass aka "the works".

BrianG 01.23.2009 02:05 PM

Or just drive it on the moon...

Takedown 01.23.2009 02:05 PM

Quote:

Originally Posted by brushlessboy16 (Post 254773)
Im not the one saying one is better then the other. and the CC 2200 is just as nice as the real thing.

But its not. Thats like saying hackers are just as nice as lehners. "which they are" which would mean I have a say in this aswell. But their not comparable because their made by different companies...

lincpimp 01.23.2009 02:39 PM

Quote:

Originally Posted by Takedown (Post 254937)
But its not. Thats like saying hackers are just as nice as lehners. "which they are" which would mean I have a say in this aswell. But their not comparable because their made by different companies...

The term comparable usually refers to items that are not identical...

Cause if they are identical they are not comparable, thay are identical.

So two items made by two seperate companies that are similar can be compared, so they are comparable.

So hacker c50 motors and lehners have comparable performance, but the c50 is larger and heavier due to can design. Their internal design is similar and I am sure the material usage is similar too.

Unsullied_Spy 01.23.2009 02:53 PM

If you must have a Lehner I found one here. Personally I'd rather have a Neu or MedUsa. You get more poles and a slotted stator, meaning a lot more torque.

If you do go for the Lehner, make sure to get a RC-M Bore Reducer, they use a 4mm shaft on that motor rather than the 5mm shaft you get on a MedUsa or a Neu.

lincpimp 01.23.2009 03:48 PM

Quote:

Originally Posted by Unsullied_Spy (Post 254947)
If you must have a Lehner I found one here. Personally I'd rather have a Neu or MedUsa. You get more poles and a slotted stator, meaning a lot more torque.

If you do go for the Lehner, make sure to get a RC-M Bore Reducer, they use a 4mm shaft on that motor rather than the 5mm shaft you get on a MedUsa or a Neu.

For 240 I would buy 2 medusa 60mm motors... Or a medusa 70mm and a MMM. Nothing against lehner, they were the hot setup when they were available in the US. But times change, Neu and medusa seem to be the best bet for sales and service now. Plus you can get them from Mike!

Takedown 01.23.2009 04:24 PM

Seems like it has good enough torque to me- http://s66.photobucket.com/albums/h2...rs12-18-06.flv

BrianG 01.23.2009 04:26 PM

yeah, the LMTs seem to be at the bottom end of the bang for the buck. For the dollar, Medusas can't be beat. Neus aren't too bad either if you compare the price to LMTs, and the performance difference is minimal if anything.

CC Patrick gave a little rundown of the differences between slotted and slotless: http://www.rc-monster.com/forum/show...01&postcount=2

BTW: Medusas and Neus are both 4 pole slotted motors. Feigaos and LMTs are 2 pole slotless motors. I think Hackers are slotless 2 polers as well.

snellemin 01.23.2009 04:44 PM

2 pole motors have their place just like 4 pole motors have. Sometimes more rpm's are needed rather then torque.

Neu motors I compare to the big American V8's
Hacker and Lehner I compare to European V12's
Feigao based motors I compare to turbo charged 4 cylinder engines....they run hot, but put out the rpms for a short period of time

The Medusa I have found a home in the CRT.5 that I got from bustitup and does well in that platform (6lbs). I race it against touring cars up to 50mph with 3.2" foams. 60+mph is in the works.
The same motor in my 10lbs rustler didn't do well.

lincpimp 01.23.2009 06:05 PM

Quote:

Originally Posted by BrianG (Post 254964)
yeah, the LMTs seem to be at the bottom end of the bang for the buck. For the dollar, Medusas can't be beat. Neus aren't too bad either if you compare the price to LMTs, and the performance difference is minimal if anything.

CC Patrick gave a little rundown of the differences between slotted and slotless: http://www.rc-monster.com/forum/show...01&postcount=2

BTW: Medusas and Neus are both 4 pole slotted motors. Feigaos and LMTs are 2 pole slotless motors. I think Hackers are slotless 2 polers as well.

Yep, the hackers are slotless 2 pole motors, the b50 series have one piece magnets like the feigao l can, The c50 series have segmented magnets like the lehners. They run cooler and produce more power than the b50 series. I will say that hackers are way overpriced, especially the b50 motors.


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