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ECX Torment Castle Mamba Max

Old 04-23-2020, 06:09 PM
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talonracer
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Default ECX Torment Castle Mamba Max

Hi guys new to the forum and to electric RC. I picked up an ECX torment 4x4 roller for cheap got a Castle mamba max esc and castle cm36 5700kv motor for it 15t pinion and 45t spur its pretty fast but overheats very quickly. the battery connection is very hot it has a deans connector that was already on it I am using a traxxas 2s 5000mah 25c battery with deans to traxxas adapter any thoughts on why it gets so hot thanks
Old 04-24-2020, 03:58 PM
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RustyUs
 
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That motor is probably not the best choice for that 4x4. On a 2wd lighter platform, those motors are great. I thought Castle stop making them CM36 motors ages ago. Now I see them on eBay. Most likely, they're not authentic Castle Creation motors and using cheaper components.

I'd get a 550/3656 size motor for a heavier 4wd short course truck.

Old 04-24-2020, 08:01 PM
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talonracer
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Thanks for the reply will the truck be slow with a 3650kv I thought the higher the kv the faster it could go.
Old 04-25-2020, 03:09 AM
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3656 (36x56mm) size motor, not 3656kv. The CM36 motors are 540/3650 (36x50mm)size two pole motors...at least the first ones that came out were. I was trying to convey that a longer can motor will give your 4wd RC the torque it needs to move them tires...most of the time. A lot of times the super low priced brushless motors don't use the same quality components of well known brands in the hobby. In my experience, and in general, I've found the cheap/low budget brushless motors to be a great value. They may need to be geared more conservatively compared to a similar well known manufactured motor.
Old 04-25-2020, 03:13 AM
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talonracer
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What do you think a good kv would be I'm looking at a 3660 3800kv would that be ok I would like around 40-45mph thanks again
Old 04-25-2020, 03:24 AM
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Maybe have a look at this motor for an example of what I was talking about...https://www.ebay.com/itm/HobbyStar-5...AAAOSwWGJdshS5
Old 04-25-2020, 03:27 AM
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Originally Posted by talonracer
What do you think a good kv would be I'm looking at a 3660 3800kv would that be ok I would like around 40-45mph thanks again
That would be an option as well. It probably has specs that would possibly allow the use of a 3S pack should the need be there.
Old 04-28-2020, 04:43 PM
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Installed the new 3660 3800kv motor big difference on motor temp I went with a 14t pinion on the 45t spur on 2s 5000mah 25c battery pretty snappy would like a bit more speed may try the 15t but the esc and the power wires to the esc still seem pretty hot not so much the battery side but the esc side this is an original Castle Mamba Max. I really appreciate the help kinda newbie to the electric world always had nitro but these brushless motors are definitely the way to go thanks again for the help.

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