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How big is too big, brushed motor

Discussion in 'Electronics' started by roger nelson, May 20, 2015.

  1. roger nelson

    roger nelson Well-Known Member

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    I wonder how hot a brushed motor can the mega esc push (without overheating) . Smooth pavement top speed. Anybody have a favorite motor?
     
    Unusual RC likes this.
  2. Unusual RC

    Unusual RC Moderator
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    Interesting question!
    I cannot find it anywhere. However I did swap the poor 15T out for an old Kyosho monster 360 (20,000rpm at 7,2V) with 22tx2 and neodymium magnets.
    It did not have any problems with it, and it made the Mojave a lot quicker. Also the break worked flawlessly thanks to the strong magnets.

    However I have here a 2870kV 2-pole 540 brushless motor, which also has 21,000rpm at 7,4v (2S lipo). And the acceleration and speed are much better. And this is a very modest, direct replacement for vintage RC's.
     
  3. roger nelson

    roger nelson Well-Known Member

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    I had a trinity monster years ago. Don't remember the specs of it but wow! This is back when esc was a new thing.( feeling old now). It is awesome how things have improved. My fury will be a good platform for several projects ideas I'm going to try. Late model dirt,pavement pounder,and maybe a short course truck! Haha! Well I have wandered off topic.
     
  4. roger nelson

    roger nelson Well-Known Member

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    This hobby wing combo stuff is at the right price. Are they of any quality?
     
  5. Darren Wes

    Darren Wes Well-Known Member

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    Yeah. haven't had any issue with my 60a esc from them except for my first one in my 18t i shorted the fan because its not waterproof then i pulled a wire out that i tried to fix too fast and got cs glue on everything and fried it. I just got done with waterproofing the electronics while i sent the car to arrma. 1433992678119-913862602.jpg
    I think the motors are ok.. for 20bucks it beats the heck outta 80-120. I haven't broken mine yet...i broke the granite first. I also got a new motor for 20 bucks.. its the 4 pole 39kv with oversized bearings... may be nice. Not too sure yet. But the 39kv 2pole hasnt had any issues yet tho 1433992964171-1234727514.jpg
    The new wires are so big imma have to solder them on directly lol. 20 bucks
     
  6. roger nelson

    roger nelson Well-Known Member

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    Wow! Those are beefy wires! I think I'm getting the program card too. If something burns up , I will have no choice but upgrade, haha!
     
  7. mrbelloso

    mrbelloso Moderator
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    Darren have you had the chance to compare the two motors?
     
  8. Darren Wes

    Darren Wes Well-Known Member

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    No. I wont till the end of the weekend maybe more. I killed the truck with 3s. Both work. Both are the same size and kv one is just a bit nicer. Magnets,wires,bearings,windings 4pole...

    I wanna know if 2s on 4pole will tear the mega transmission up too
     
  9. mrbelloso

    mrbelloso Moderator
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    I like the 4 pole. It has been calling me in my sleep.
     
    Darren Wes likes this.
  10. Darren Wes

    Darren Wes Well-Known Member

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    60571271.jpg
     
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