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Thread: Bigger motor?

  1. #1
    RC Champion nickruger's Avatar
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    Bigger motor?

    I was off the Erevo train over the winter, I was busy building an Xmaxx. Xmaxx is great, but not as easy to bust out for a quick run in the backyard so I'm back to the 2.0. I got it right when it came out last year and really worked all the bugs out. I'm currently running a 1550kv 4076 motor and a mamba monster x. I was going to get a 4092 motor in the 1900kv range hoping I could get some better speed without running into heat issues. I got to thinking about the stock motor from the Xmaxx. I have a saga custom mount that will support either way I go. Any suggestions which way to go?

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  2. #2
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    Is a larger motor needed as the stock size has hit it upper region of performance or is it due to there being more powerful options once you able to look at larger motors.

    I’ve seen some companies offer custom motor building isn’t that an option?

  3. #3
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    Quote Originally Posted by nickruger View Post
    I was off the Erevo train over the winter, I was busy building an Xmaxx. Xmaxx is great, but not as easy to bust out for a quick run in the backyard so I'm back to the 2.0. I got it right when it came out last year and really worked all the bugs out. I'm currently running a 1550kv 4076 motor and a mamba monster x. I was going to get a 4092 motor in the 1900kv range hoping I could get some better speed without running into heat issues. I got to thinking about the stock motor from the Xmaxx. I have a saga custom mount that will support either way I go. Any suggestions which way to go?

    Sent from my SM-N960U using Tapatalk
    Depends. A 6s Xmaxx motor could work as its 1600kv. An 8s 1200kv would be too low imo.

    I had great success using a lower kv motor on 6s in a cheap 1/8th truggy I had. I just geared it very high and relied on the torque for low end.

  4. #4
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    Quote Originally Posted by SC11 View Post
    Is a larger motor needed as the stock size has hit it upper region of performance or is it due to there being more powerful options once you able to look at larger motors.

    I’ve seen some companies offer custom motor building isn’t that an option?

    If were totally honest, the stock motor on 6s, with some taller gearing is more than enough for 99% of people and its simply not necessary to change it, but people often want more dont they haha?

  5. #5
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    Quote Originally Posted by Kpowell911 View Post
    If were totally honest, the stock motor on 6s, with some taller gearing is more than enough for 99% of people and its simply not necessary to change it, but people often want more dont they haha?
    Yep don’t we all!

    What started out as a RTR RC is now in pieces and my project.

    I don’t think I’ll go as far a Nick and look at custom mounts but I’m trying to find the best motor/ESC package that suits my needs, but then never say never haha

  6. #6
    RC Champion nickruger's Avatar
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    Quote Originally Posted by Kpowell911 View Post
    If were totally honest, the stock motor on 6s, with some taller gearing is more than enough for 99% of people and its simply not necessary to change it, but people often want more dont they haha?
    To be truthful I can't gear the 1550kv as high as I want. I tried 20/54 and got to 180f about halfway through a battery pack and had to drop down to 18/54. I am not running a fan, was trying to do it without. I guess before I get to crazy, I could just slap a fan on and try it. What is standard "fast enough for most people" is fast enough for me, I just can't do it with safe temperatures.

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  7. #7
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    Quote Originally Posted by Kpowell911 View Post
    Depends. A 6s Xmaxx motor could work as its 1600kv. An 8s 1200kv would be too low imo.

    I had great success using a lower kv motor on 6s in a cheap 1/8th truggy I had. I just geared it very high and relied on the torque for low end.
    Nice. Thinking about trying 6s Xmaxx motor.

  8. #8
    RC Champion nickruger's Avatar
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    After watching an install video of the saga custom mount I think I'm going to pass. I already bought it, but it requires alot of assembly, disassembly to get mesh right, change pinions etc. I think I might just gear it how I want and try a decent fan or run her till she fries. It's a relatively cheap motor, not the end of the world if it can't handle it. Kind of a bummer that the design of the erevo limits motor length so badly. I really think a little longer 42XX motor would really do it some sweet justice.

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    Last edited by nickruger; 05-09-2019 at 05:55 PM.

  9. #9
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    Quote Originally Posted by nickruger View Post
    To be truthful I can't gear the 1550kv as high as I want. I tried 20/54 and got to 180f about halfway through a battery pack and had to drop down to 18/54. I am not running a fan, was trying to do it without. I guess before I get to crazy, I could just slap a fan on and try it. What is standard "fast enough for most people" is fast enough for me, I just can't do it with safe temperatures.

    Sent from my SM-N960U using Tapatalk
    I missed this, thats very strange, why is your motor running that hot? Im running an 18t Pinion and stock spur (54?) on a 2200kv motor and its not getting upto those temps? Im running a Hobbywing Max 8 and the Hobbywing 4274 2200kv motor?

    Are you running Traxxas radio with TSM?
    Last edited by Kpowell911; 05-10-2019 at 04:16 PM.

  10. #10
    RC Champion nickruger's Avatar
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    Quote Originally Posted by Kpowell911 View Post
    I missed this, thats very strange, why is your motor running that hot? Im running an 18t Pinion and stock spur (54?) on a 2200kv motor and its not getting upto those temps? Im running a Hobbywing Max 8 and the Hobbywing 4274 2200kv motor?

    Are you running Traxxas radio with TSM?
    Yes. I run the heck out of it. Nothing wrong with the truck, just me.

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  11. #11
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    I get major heat issues with TSM (well all sorts of Stability management, same with the Spektrum).

    I see a drastic difference in temp when I change to none TSM/Stability management Radios.

  12. #12
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    Can someone confirm what’s the longest and biggest diameter that can be installed in the stock location?

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