Results 1 to 19 of 19
  1. #1
    RC Competitor
    Join Date
    Feb 2013
    Posts
    88

    Exclamation Which Motor Should I get!?!

    Alright I'm stuck between the MMP 2400 KV and the Sidewinder 3 with either the 4600kV motor ,5700kV ,6900kV , and the 7700kV.
    This is for my rustler xl 5 with many upgrades.
    I will be doing bashing on street/grass/hills/dirt/mud/water/Jumping (alot of jumping)

    I wanna get the MMP 2400 kv for the speed and torque.
    The sidewinder 3 is also waterproof, but I dont know if it will have the speed of the mmp and torque??

    So what would be the best motor and ESC for my needs?
    I want to never be able to go full throttle and have the amazing power at the tip of my finger!

    So close to being done with buying upgrades!
    Last edited by slowpokerodriguez; 02-24-2013 at 05:47 PM.

  2. #2
    RC Enthusiast
    Join Date
    Nov 2012
    Location
    i live in south where there is lots of sun and surf along with good lookin women
    Posts
    43
    try the duratrax element esc and motor combo from tower hobbies its like 129.00 bucks also get the castle link usb cable to tweak it . the motor is 3900kv and its wicked fast .

  3. #3
    RC Enthusiast
    Join Date
    Jan 2013
    Posts
    43
    I have the Sidewinder 3 with the 1410 3800kv Motor, but personally if I had the money, I would have gotten the Mamba Max Pro. BEWARE the Mamba Max Pro is NOT waterproof.

  4. #4
    RC Competitor
    Join Date
    Feb 2013
    Posts
    88
    Im looking for something alittle more than the 3900 kv motor, would putting in the 6900kV motor be great??
    I want wicked speed/torque
    or would that be alittle overkill?
    I want a little bit of a overkill but not so much that I just can not even drive it lol
    and ill be running on a 3S

  5. #5
    RC Qualifier
    Join Date
    Dec 2012
    Location
    Newcastle, Australia
    Posts
    969
    The higher the kv the less torque
    Slugs are just naturally aspirated snails

  6. #6
    RC Enthusiast
    Join Date
    Jan 2013
    Posts
    43
    It's better to go for lower kv then gear up. All the 100 mph rustlers out there are running 2200kv motors, but then gearing up to have both speed and torque.

  7. #7
    RC Competitor
    Join Date
    Feb 2013
    Posts
    88
    Hmmmm, thanks for the tips/info.
    If I want to race what would be the best gearing?
    I will be doing some bashing to, to learn my setup again.

    so
    lower kv=torqu
    higher the kv=speed?
    What would be the best motor kv to get out of these for racing(not speed runs)
    4600kV
    5700kV
    6900kV
    7700kV
    and this is the combo I'm looking at to get.
    http://www.castlecreations.com/produ...dewinder3.html
    I want this combo to due waterproof esc but would it be great for racing?
    Will this have enough torque and speed for me to keep up with the racers?
    Last edited by slowpokerodriguez; 02-25-2013 at 12:16 PM.

  8. #8
    RC Competitor
    Join Date
    Feb 2013
    Posts
    88
    Quote Originally Posted by slowpokerodriguez View Post
    Hmmmm, thanks for the tips/info.
    If I want to race what would be the best gearing?
    I will be doing some bashing to, to learn my setup again.

    so
    lower kv=torqu
    higher the kv=speed?
    What would be the best motor kv to get out of these for racing(not speed runs)
    4600kV
    5700kV
    6900kV
    7700kV
    and this is the combo I'm looking at to get.
    http://www.castlecreations.com/produ...dewinder3.html
    I want this combo to due waterproof esc but would it be great for racing?
    Will this have enough torque and speed for me to keep up with the racers?
    Im also looking at this setup too.
    http://www.castlecreations.com/produ...inder_sct.html
    Which one would be the best for me for racing/bashing
    and with the sidewinder SCT 3800kv, can this be ran on a 3s or 2s only?

  9. #9
    RC Turnbuckle Jr. Petertje60's Avatar
    Join Date
    Jan 2011
    Location
    Rotterdam, Netherlands
    Posts
    7,868
    With the lower kv motors, you can use a higher voltage and less amps for the same power.
    The 3800 works fine on 3S, but I would never do that with a Sidewinder. In my opinion the 3800 needs a MMP to get the max out of it.
    The 3800 has more power than the 4600 and 5700. 6900 and 7700 are too high kv for the Rustler and will run hot quite fast.
    Nobody is born with experience

  10. #10
    RC Competitor
    Join Date
    Feb 2013
    Posts
    88
    Quote Originally Posted by Petertje60 View Post
    With the lower kv motors, you can use a higher voltage and less amps for the same power.
    The 3800 works fine on 3S, but I would never do that with a Sidewinder. In my opinion the 3800 needs a MMP to get the max out of it.
    The 3800 has more power than the 4600 and 5700. 6900 and 7700 are too high kv for the Rustler and will run hot quite fast.
    So the Sidewinder SCT would work fine with 3s or would it need to be 2s?
    This is the lipo I wanted to use with this combo.
    http://www.specpointbatteries.com/in...p?productID=79

  11. #11
    RC Turnbuckle Jr. Petertje60's Avatar
    Join Date
    Jan 2011
    Location
    Rotterdam, Netherlands
    Posts
    7,868
    Quote Originally Posted by slowpokerodriguez View Post
    So the Sidewinder SCT would work fine with 3s or would it need to be 2s?
    This is the lipo I wanted to use with this combo.
    http://www.specpointbatteries.com/in...p?productID=79
    To start with: SPC is a great choice for battery.
    If you want to use the Sidewinder with the 3800Kv on 3S, you will get it hot very fast. The amount of power the 3800 wants, can hardly be handled by the Sidewinder. MMP/3800 works great on 3S. Tons of power.
    The Sidewinder with the 4600 or 5700 on 2S is acceptable, but I would still watch the temp of the Sidewinder very close.
    Nobody is born with experience

  12. #12
    RC Racer
    Join Date
    Sep 2012
    Location
    Ventura, CA
    Posts
    106
    I'd get a higher C rated battery if you're set on 3S. You can pull 164 amps with that 3S you linked to. Pay close attention to your motor specs, especially current draw, if you go with that battery.

    If you want SPC, 3S and hardcase I think their 5400mah 50C is a better choice. That said, you mention racing/bashing and, IMO, 2S is plenty fast enough. I run the SPC 6500mah 50C and their no longer available 5000mah 25C both in 2S and it's been plenty of battery.

  13. #13
    RC Competitor
    Join Date
    Feb 2013
    Posts
    88
    So a 2S with atleast 20C would be plenty fast enough with enough torque to pop wheelies/jumps and basically still be good to bash but also still good to race?
    and what If I put the fan onto the ESC would that cool it off a bit??
    I really wanna go with the sidewinder because I dont have to much money to spend with all the upgrades and the MMP SCT is like 300$

    and would this lipo be better for the sidewinder??
    http://www.specpointbatteries.com/in...?productID=125

    and If I gear lower would the ESC still get hot?
    like 16/90?
    Last edited by slowpokerodriguez; 02-25-2013 at 02:56 PM.

  14. #14
    RC Champion
    Join Date
    Dec 2012
    Location
    Norfolk, va
    Posts
    1,164
    I run a 4000kv with 26/76 gearing on 3s and it is very quick, most of the time I can only use 1/4-1/2 throttle.
    My brother runs a larger can 2400kv motor with 16/38 mod1 gearing and is about the same speed as mine on 3s.
    We were trying to drag race the cars last night and it was hard to get decent launches and maintain control since the cars are so quick and the front is so light.

    We run the spc 3s 5400 50c batteries
    ERBE, ERBE, Summit, Slash 4X4, Bandit,

  15. #15
    RC Competitor
    Join Date
    Feb 2013
    Posts
    88
    What ESC do you run?

  16. #16
    RC Racer
    Join Date
    Sep 2012
    Location
    Ventura, CA
    Posts
    106
    Quote Originally Posted by slowpokerodriguez View Post
    and would this lipo be better for the sidewinder??
    http://www.specpointbatteries.com/in...?productID=125
    I don't know the specs on the Sidewinder.

    Here's the math on that battery you link to though: (5000mah x 30C = 150,000) / 1000 = 150 amps. Don't spend all that money on your Rusty only to cheap out on the battery pack.

    I'd go with their 6500mah 50C 2S (325 amp potential) if I were you. That's $12 more than your linked battery but $12 very well spent.

    Here's a tip for you: if you buy SPC 2S lipos, get their balance wire extension. The balance wires on their 2S packs are pretty short. It's a lot easier to get everything in a lipo bag using the extension wire.

  17. #17
    RC Competitor
    Join Date
    Feb 2013
    Posts
    88
    So with this lipo here- http://www.specpointbatteries.com/in...?productID=112
    would do fine with the 3800kv with sidewinder SCT
    http://www.castlecreations.com/produ...inder_sct.html

  18. #18
    RC poster
    Join Date
    Jan 2013
    Posts
    13
    Hey guys! I was going to ask the same advice when I seen this thread ! I have a rusty that's stretched and everything is alum or rpm it's got the velineon set up on it now running onyx 2s 8000 20c lipos It's a very quick car and I was the fastest in the group till last weekend when one of the guys went and got 5700 mmp set up . I have 3s batteries also but my car blows the tires off whenever I try to run it on them .. Yesterday I got outran by about 3 car lengths , I can't be having that lol o and I'm running a 28/83 gear I got to step it up and I wanna beat them not just copy the setup lol any ideas? I really don't wanna go m monster one guy has one on his rusty it fast but he cannot make a straight pass to save his life, plus I like to bash !!

  19. #19
    RC Turnbuckle Jr. Petertje60's Avatar
    Join Date
    Jan 2011
    Location
    Rotterdam, Netherlands
    Posts
    7,868
    A heavier car with a VXL combo will lose most drag races against a MMP/5700. Besides that the 5700 (when it is the 4 pole) is more powerfull than the Velineon motor, it makes more RPM with the same voltage.
    Nobody is born with experience

Tags for this Thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •