7XL or 8L /w MM on an Emaxx?

[sleebus.jones]

Originally Posted by phildogg

I'm geared 18/66

Hmmmmmm. I wonder if it would take 22/66 without overheating? I'm thinking tho if you are running 140 on the motor, maybe not. Looks like your speed is around 30+ mph.

Well now I gotta rethink this. Not sure if I want do drop all that money for slightly better than stock top speed. I was planning on running 22/66 with 14 cells to get into 40 mph territory. The motor seems perfectly comfortable in your setup, but I think what I have in mind may be pushing it too hard.

Pewp.

Sleeb

[crazyjr]

Originally Posted by phildogg

hey crazy couple questions, 1. you running a fan on the mm? 2. whats your truck geared now? mines 18/66.
phil

On one, no i'm not at this time. On two, I had to go with a strobe and 51 tooth mod1 with a 13 tooth pinion, it seems ok on dirt but a little slow on pavement. And for your last question, I'm running default except for a 3v per cell cut-off for the lipo.

Neweuser, If you want ultimate power and run high voltage, the mamba max is not for you, however if you want a reliable, consistent at 4s lipo and easy to use esc for racing, the mamba is probably the ultimate esc for the job.

[phildogg]

Originally Posted by carlog80

hey phil!!! i'm running the same gearing but with a 9XL. so hows ur new radio controller doing? the 3pk is pretty crazy with all its functions!!

I love it no glitching!! thats all I wanted..lol
phil

[coolhandcountry]

Larry: When are you going to compare the mgm, bk, and mamba maxx to each other.

[phildogg]

Originally Posted by sleebus.jones

Hmmmmmm. I wonder if it would take 22/66 without overheating? I'm thinking tho if you are running 140 on the motor, maybe not. Looks like your speed is around 30+ mph.

Well now I gotta rethink this. Not sure if I want do drop all that money for slightly better than stock top speed. I was planning on running 22/66 with 14 cells to get into 40 mph territory. The motor seems perfectly comfortable in your setup, but I think what I have in mind may be pushing it too hard.

Pewp.

Sleeb

I wouls say the mm esc and maybe a 8xl with the higher gearing might would be better for you.. as they would be more capable of pulling the higher gear.. I'm going to try a 20/66 before long just to see the temps.might be close to stock speed but it sure is alot more fun.. 20mph rolling wheelie maybe faster.. anyway I could use more speed but its fun like it is a ton of torque.
phil
phil

[gizzmo79]

I just wonder way is the 8L getting so hot and the 7XL is not?
Is it because its more power in the Xl motors?
I have the 8L now with 4s, heat sink on motor and esc.
the gearing i use is 51/18 and 51/16 and the motor is getting hot, vould it be cooler with 7XL:032:
Sorry the of topic

[BrianG]

Originally Posted by gizzmo79

I just wonder way is the 8L getting so hot and the 7XL is not?
Is it because its more power in the Xl motors?
I have the 8L now with 4s, heat sink on motor and esc.
the gearing i use is 51/18 and 51/16 and the motor is getting hot, vould it be cooler with 7XL:032:
Sorry the of topic

For one thing, the 8L kv=2765, while the 7XL kv=2145. For another, the XL can is physically longer, which helps spread and dissipate the heat...

[neweuser]

Originally Posted by crazyjr

On one, no i'm not at this time. On two, I had to go with a strobe and 51 tooth mod1 with a 13 tooth pinion, it seems ok on dirt but a little slow on pavement. And for your last question, I'm running default except for a 3v per cell cut-off for the lipo.

Neweuser, If you want ultimate power and run high voltage, the mamba max is not for you, however if you want a reliable, consistent at 4s lipo and easy to use esc for racing, the mamba is probably the ultimate esc for the job.

I agree....:027:

[crazyjr]

Originally Posted by coolhandcountry

Larry: When are you going to compare the mgm, bk, and mamba maxx to each other.

Soon i hope,I just got the 9920 in today (thanks) and as soon as i get comfortable with the programming of the BK and the mgm i'll run one after the other (same motor and batteries) and give my opinion on them

...I was running the MM in the E-Sav with a 9L on 20/66 gearing (12 cells) and it was ok...Little warm though...Goes MUCH better with an 18...22 and it would shut down just by sitting there...This was WITHOUT an UBEC though...Still waiting for one to ship from ebay though...

[phildogg]

Originally Posted by BitHed

...I was running the MM in the E-Sav with a 9L on 20/66 gearing (12 cells) and it was ok...Little warm though...Goes MUCH better with an 18...22 and it would shut down just by sitting there...This was WITHOUT an UBEC though...Still waiting for one to ship from ebay though...

A small 40mm fan would def help with the heat issues.. what temp are the motor?
phil