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-   -   Mamba Max ESC and Lehner motors (https://www.rc-monster.com/forum/showthread.php?t=6227)

easy rider 03.31.2007 03:08 PM

Mamba Max ESC and Lehner motors
 
Hello,

Does anyone know what Lehner motors the Max ESC is best with ? I'm planning on using it with the Lehner basic XL5000 and Lehner 1920/5 on 2S lipo. Does this sound reasonable ?

Would a LMT BK Warrior ESC be better and ifso why would it be so ? Wich warrior would be best if I descided to go that way ?

Thanks.

Serum 03.31.2007 03:11 PM

No, the MM will gladly handle your setup.

Both motors would work. I would prefer the 1920/6 But the 1920/5 would also work. Use good lipo's!

crazyjr 03.31.2007 03:28 PM

That should deliver better torque than the mamba max motor, with similar speeds with similar gearing

easy rider 03.31.2007 03:44 PM

hi,

Thanks for your ultra fast response. Ok , I'll stick with the MM ESC ( you just saved me from spending 150$ )

Why do you thinck the 1920/6 would be a better deal ? It's meant to go in my 1/10 scale project touring car. I would love to kick some serious MM motors with the lehners. I'm racing rather small tracks with lots of curbs and 90 feet straights. Torque is just what I need in MHO.

thanks , David.

captain harlock 03.31.2007 05:57 PM

1920/5 has less effeciency than the 1920/6. With the latter, you can gear it higher so that it can run as fast as a 1920/5. Also, with a 2s lipos( the very good ones ;P) you can get raw power out of the 1920/6( rpm is something like 5225) you'll be a bit over 40k rpm if you go lipo.

Sylvester 03.31.2007 06:00 PM

Quote:

Originally Posted by captain harlock
Also, with a 2s lipos( the very good ones ;P) you can get raw power out of the 1920/6( rpm is something like 5225) you'll be a bit over 40k rpm if you go lipo.

Trakpower Trakpower Trakpower :005: :027:

easy rider 04.01.2007 05:22 AM

Quote:

Originally Posted by captain harlock
1920/5 has less effeciency than the 1920/6. With the latter, you can gear it higher so that it can run as fast as a 1920/5. Also, with a 2s lipos( the very good ones ;P) you can get raw power out of the 1920/6( rpm is something like 5225) you'll be a bit over 40k rpm if you go lipo.

Ok , it's not to late , I can still order the 1920/6 , I haven't payed for that one yet. I placed an order at the LMT Lehner factory in Germany last week. The basic XL5000 I got from Mike runs great so far. What will I notice as a difference between the XL and 1920 motor the most ? Speed ,torque , runtime , ... ?

So I suppose with a less efficient motor I'll get less runtime right ?

captain harlock 04.01.2007 10:11 AM

More runtime, less heat build up, a bit more power and speed.
And most important: They'll last FOREVER!

easy rider 04.01.2007 10:22 AM

forever sounds good enough for me :-)

I hope I'll have it soon.

Sylvester 04.01.2007 10:52 AM

Forever is pushing the limits, id say the bearings will die after 5 years :)

BP-Revo 04.01.2007 11:05 AM

Quote:

Originally Posted by Sylvester
Forever is pushing the limits, id say the bearings will die after 5 years :)

3 years = forever for bearings :D

easy rider 04.01.2007 11:52 AM

I can always replace the bearings right ? I can't see how to open the motor can , seems pretty closed to me and I can't see screws but I hope it can be done. My Novak SS5800 bearings are almost 5 years old and still are in very good shape. I lube them with Dry Ice a few times per year though.

squeeforever 04.01.2007 12:16 PM

The endbells screw on. It takes a jig type devise to open them. It's no easy task from what I've been told, but yes, they can be replaced.

captain harlock 04.01.2007 07:09 PM

The bearings and the motor(1920/5) should last for 5 years IF you'll be using it in a super heavy monster truck. These motors are plain tough..:)

easy rider 04.02.2007 01:54 AM

Well , I have 8 brushless systems at my last count and I don't always use them all. Some only get used a few times a year so in my case the Lehners will last forever hihihi

Thanks for the srewing advice squeeforever, I'll remember that.

The Lehner 1920 will be used in my modified and slightly heavier 1/10 touring car. It's hopped up with a large amount of aluminum and Liquid cooling system with cooling liquid so it's rather heavy , that's why I needed a strong motor because the mamba doesn't cut the job for me well enough.


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