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Thread: Which combo?

  1. #1
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    Which combo?

    Read a lot of stuff on this forum and trying to decided which combo to buy. The CC 1415/2400kv combo or the 1512/2650kv combo. Which do you think is better and why do you think so?

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    it comes down to what type of driving you will do and the size lipos youll run
    SL4SH Mamba Monster-Rustler Mamba Max 2400kv

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    Quote Originally Posted by traxxasFTW View Post
    it comes down to what type of driving you will do and the size lipos youll run
    Currently run 2s but will probably go to 3s. Most of my driving will be just bashing.

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    hard to say, the castle 2400 mmp combo works great but doesnt really wake up till 3s. You can gear it up and dont hav eto worry about heat
    SL4SH Mamba Monster-Rustler Mamba Max 2400kv

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    RC Turnbuckle Jr. El Sob's Avatar
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    They are both great motor systems! I currently have the 2400 in both of my trucks. You have a good choice to make. Both work great on 3 and 4s. I think the 2650 might run cooler. I don't have a overheating problem with the 2400. I have had one set for almost two years and have had absolutely no problems with it. Which is why I got the 2400 motor to go witch he MMP I already had. They cc have both been trouble free motor systems
    Slash Ultimate, ET-3S, 2400, MIP, King Headz, RPM

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    Quote Originally Posted by El Sob View Post
    They are both great motor systems! I currently have the 2400 in both of my trucks. You have a good choice to make. Both work great on 3 and 4s. I think the 2650 might run cooler. I don't have a overheating problem with the 2400. I have had one set for almost two years and have had absolutely no problems with it. Which is why I got the 2400 motor to go witch he MMP I already had. They cc have both been trouble free motor systems
    and there customer service is unbeatable
    SL4SH Mamba Monster-Rustler Mamba Max 2400kv

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    Quote Originally Posted by El Sob View Post
    They are both great motor systems! I currently have the 2400 in both of my trucks. You have a good choice to make. Both work great on 3 and 4s. I think the 2650 might run cooler. I don't have a overheating problem with the 2400. I have had one set for almost two years and have had absolutely no problems with it. Which is why I got the 2400 motor to go witch he MMP I already had. They cc have both been trouble free motor systems
    Why do you think the 2650 will run cooler? Are they any mods necessary to install either combo? Why did you pick the 2400 over the 2650?

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    Right off the bat you can go to 6s with he 2650, not that you want to but you can only 4s on the 2400 although he esc can handle 6s. The specs for the 2400 stats recommend application max weight 6.5 lbs. I believe the 2650 has greater torque, the 2200 certainly does and is cool as a cucumber.
    Slash 4X4, MM 2200kv
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    Which combo will run 2s and 3s better while keeping the temps down?

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    RC Turnbuckle Jr. kdvanb's Avatar
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    2s will be slow with those combos. But I bet the 2650 will be cooler
    Slash 2wd, Slash 4x4, 30th digger, Rustler VXL

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    Quote Originally Posted by kdvanb View Post
    2s will be slow with those combos. But I bet the 2650 will be cooler
    It says on the Castle site that the 2650 can be used for 2s-4s, but the 2400 for 3s-4s. What do you mean by slow?

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    Running a lower kV motor means you have to gear up or volt up. If you leave the stock gearing at 2s you will be lucky to hit 25mph but will have hair raising torque. I ran both and preferred the 2650, as it gives a few more RPMs per volt and a much heavier duty build and runs cooler. I have found that if you gear it up for some nice top speeds on 3s you will be running about 35 mph on 2s which is perfect for a short course track. Here is a pic showing Castle motor can sizes. You can easily see the 2400 and 2650 have the same length but the 2650 has a lot more girth. Big difference on the motor build between the 1400 and 1500 series. From left to right
    1515/2200kV, 1512/2650kV, 1415 2400kV, 1410 3700kV

    Edit: noticed no one mentioned gearing.
    Im running 23/50, now on a Tekin but same principle as the Tekin T8 is also a 2650kV.
    Pretty much everyone with one of these setups is running at least 20/54.

    Last edited by JustinThyme; 10-09-2012 at 07:54 PM.

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    I run the 2650 on 4s and 6s geared 21/50 and it screams. I haven't tried it on 2s or 3s so I can't tell you how much it slows down. I also haven't tried the 2400. If you think you might ever want to do speed runs the 2650 is the way to go. Just do your research on the other upgrades you will need to do.

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    Quote Originally Posted by RockchalkJayhawkz View Post
    I run the 2650 on 4s and 6s geared 21/50 and it screams. I haven't tried it on 2s or 3s so I can't tell you how much it slows down. I also haven't tried the 2400. If you think you might ever want to do speed runs the 2650 is the way to go. Just do your research on the other upgrades you will need to do.
    I have the 2400 in my 4x4 pede. Running 3 and 4s, 17/54 and 3.2 wheels/tires it gets crazy hot! Easily over 200 degrees every session. I'm in the market for a motor that can handle my gearing/battery combo. Do you believe the 1512/2650 is the answer?
    When Boy When, Are You Gonna Get Your Act Together

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    Quote Originally Posted by beetroot72 View Post
    I have the 2400 in my 4x4 pede. Running 3 and 4s, 17/54 and 3.2 wheels/tires it gets crazy hot! Easily over 200 degrees every session. I'm in the market for a motor that can handle my gearing/battery combo. Do you believe the 1512/2650 is the answer?
    Im actually a bit suprised to see that its getting hot with your set up. I can understand quite warm on 4s but it should be fine on 3s. The increased tire size is probably the deciding factor in your setup.

    I can offer that the MMM/1512 2650 runs cooler than the MMP/1415 installed in a slash 4x4 with 23/50 gearing and center diff. and would react more kindly to 3s/4s and more. The can length of the two is the same but the girth of the 2650 is a sunstantial increase. I posted a pic earlier in the thread. You dont want to listen to me too much though because I will spend your money for you and drag you over to the red side with a Tekin combo.

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    I run the castle 2200. Insane torque. Yet to come close to its full potential. Zero heat issues. Even on 90 degree days


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    Does the 2650 fit into the Slash without any mods? What would it, the 2650 be like on 3s?
    Last edited by bruggar; 10-10-2012 at 06:35 PM.

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    Quote Originally Posted by beetroot72 View Post
    I have the 2400 in my 4x4 pede. Running 3 and 4s, 17/54 and 3.2 wheels/tires it gets crazy hot! Easily over 200 degrees every session. I'm in the market for a motor that can handle my gearing/battery combo. Do you believe the 1512/2650 is the answer?
    Ya the tire size is what's causing your heat issues. The 2650 would definately run cooler, but I haven't run it on those size tires. I have run it on 90 degree days with 2.8's and it hit 140 while doing speed runs. If you want to run 3.2s the 2200 might be the way to go just to be on the safe side, plus it won't cost you any more $.

  19. #19
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    Quote Originally Posted by bruggar View Post
    Does the 2650 fit into the Slash without any mods? What would it, the 2650 be like on 3s?
    Ya the 2650 fits right in. Just have to move your reciever box up front to fit the MM. Some people use a different reviever box but the stock one will fit up front. I haven't run the 2650 on 3s so I am not sure how it would do on that.

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    I run a 2200 on 3s, torque is insane, top speed is 45. It gets there in a hurry, runs cool as a cucumber, I'm not that concerned about top speed more than I am with temps and torque, 4s you will prolly get to 60 plus, all depends on gearing. You will be fine with a 2650 on 3s, but it really likes the 4s
    Slash 4X4, MM 2200kv
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  21. #21
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    i like the 2400 for normal bashing ,runs great plenty of power and pretty good temps overall .obviously results may vary .on setups state of tune and things like that

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    Quote Originally Posted by bruggar View Post
    Does the 2650 fit into the Slash without any mods? What would it, the 2650 be like on 3s?
    As stated it will bolt right in, same can length as the 2400, just more girth. The longer can length means you cant use the stock mounting position for the ESC so the receiver box has to move. The stock box will fit up front but its not a direct bolt up. The stampede box will bolt to the second set of holes back from the front shock tower as a perfect fit. The 2650 on 3s is faster than the 2400 or 2200 with the same gearing, a few more RPMs per volt or about 20% more revoltions/volt than the 2200. The 1500 series cans run quite a bit cooler than the 1400 cans, no fan or heatsink required. I ran the 2650 on 3s and was more than happy with the speed/torque geared 23/50. I ran 4s once and ran out of distance before I got to top speed.

  23. #23
    RC Turnbuckle Jr. El Sob's Avatar
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    If anything happens to one of my 2400 motors it will be replaced with a 2650 because I have so many three cell lipos. One of my 2400's is almost two years old and I haven't had any problems what so ever with it! Since I have never had one of the 1/8th scale motors I can't tl you from experience how great they are. That is why this forum is so important. You get all kinds of different perspectives on things
    Slash Ultimate, ET-3S, 2400, MIP, King Headz, RPM

  24. #24
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    How does the Tekin Rx8 with the T8 2650kv compare to the Castle 1512 2650kv? these are basically the same price? Are there any pros or cons to either system?

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    RC Turnbuckle Jr. vxlrocket's Avatar
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    Quote Originally Posted by bruggar View Post
    How does the Tekin Rx8 with the T8 2650kv compare to the Castle 1512 2650kv? these are basically the same price? Are there any pros or cons to either system?
    I've had both...imo, the castle 2650 has more torque than the tekin. the tekin motor is VERY VERY smooth. the tekin is a sensored motor, so you can't waterproof the setup.i've also found that the tekin motor runs a little bit hotter than the castle. neither will cause you any temp issues though.

    I run the 2200, and that is a MONSTER. I can't get the motor hot running 38/15(revo gearing) on 4S 65C and i'm running up around 75-80mph depending on what tires i use.

    keep in mind with the 2650 and the 2200, you'll need steel cvds. mip or tekno or traxxas. the plastic shafts twist in minutes.

    I also use e-revo planetaries in the diff too. hope that helps!
    (2) RC8TEs, RC8.2E, Slash 4x4, Ofna LX2E, Slash

  26. #26
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    MONSTER
    Slash 4X4, MM 2200kv
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    Tekno Bigbone

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    Quote Originally Posted by bruggar View Post
    How does the Tekin Rx8 with the T8 2650kv compare to the Castle 1512 2650kv? these are basically the same price? Are there any pros or cons to either system?
    Ive run both and the Tekin is what is in and will stay with my TRCE 4x4.

    I didnt dyno them so I cant tell any difference in torque. What I can say is they are both so far over rated in that category any difference in negligible. I went to Tekin mostly due to cogging in the castle and no low end speed control, 0-20%. The Tekin is smooth as butter, much more quiet, no cogging and easing on the throttle it will actually creep along if you want it to. The throttle curves on the ESC and Radio actually have an effect with the Tekin as does throttle exponential, not so with the castle. If you want absolute control, smoothness, no loud pitch ESC whining and no cogging go with the Tekin.

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    How sensitive is the Tekin to water? I don't mean can I drive it in pond but can it get splashed from driving through a puddle or is it not that sensitive to water?

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