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  1. #1
    RC Racer
    Join Date
    Sep 2017
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    119

    Gearing brushed to brushless

    Hi guys, I have ordered the basic brushed system without a body with a view to upgrade to brushless later on.

    Does anyone know if the vxl gearing is different to the brushed? I have a 540 brushless system lying around but want to get the most out of it with the recommended gearing.

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  2. #2
    RC Racer
    Join Date
    Dec 2017
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    164
    I’m running a 35t pinion and a 55t spur on the Titan 12t and it scoots! Temps can be high though with that so have to be weary.

  3. #3
    RC Racer MindBlown's Avatar
    Join Date
    Nov 2016
    Location
    H-town, Texas
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    230
    Quote Originally Posted by Pwny Danza View Post
    I’m running a 35t pinion and a 55t spur on the Titan 12t and it scoots! Temps can be high though with that so have to be weary.
    You know, in my brushed 1/16 e-revo, I ran a Titan 12T with 31/45 gearing and was oblivious to temps, because I didn't know any better... I completely ruined that thing after about 5 runs (no, I didn't do speed runs.. I bashed with that gearing..) on 2 NiMh batteries.

    The VXL system has a taller gear ratio. I would get a set of pinions from Robinson Racing (just to test, they aren't really for permanent use..) and see where that takes you. Remember, get a 32P pinion gear, not a 48P.
    MERV, Rustler VXL, X-Maxx
    @kbedrich - Thingiverse

  4. #4
    RC Qualifier
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    Aug 2016
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    Houston, Texas
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    607
    Do not get 32p gears!!! They are 48p in the 4tec2. I never ran my brushed motor because I switch motor first thing. My mother vxl one the stock gears seemed way too low and my motor was heating up. I put a bigger pinion and temps went down. Then I went even bigger and temps went back up.

  5. #5
    RC Racer
    Join Date
    Jun 2017
    Location
    Belgium
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    225
    Hey SL4SHGT8BASHER,

    What pinion/spur gears do you use with your VXL ?

    My VXL has stock gearing (70 spur - 29 pinion), but on warmer days the motor is hitting the 160 (on 2s).
    I'll probably order the 28 and 26 pinion (didn't find a 27 pinion) and see where I get.

    I don't mind losing a bit of speed if that keeps the engine in good shape.

  6. #6
    RC Qualifier
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    Aug 2016
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    Houston, Texas
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    I have not run it in a while so I can't be sure, but I will check when I get home(I may have put the 55t spur). I also have two fans on the motor. It gets hot here in Houston, so I try to overcompensate with cooling as much as possible. Hopefully I can put some runtime on it this weekend and get back to u in the temps

  7. #7
    RC Racer
    Join Date
    Jun 2017
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    Belgium
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    225
    Thanx.
    I guess you use the 55t spur. After I posted my question I ran into another thread where you mentioned the 55t spur.

    You mention using fans to cool the motor.
    Does it help much ?

  8. #8
    RC Qualifier
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    Aug 2016
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    Houston, Texas
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    The fans made a HUGE difference.

  9. #9
    RC Qualifier
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    Aug 2016
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    I got one running 2 fans and one with a single big fan.


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  10. #10
    RC Racer
    Join Date
    Jun 2017
    Location
    Belgium
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    225
    Thanks again for the info & pictures !
    I'll start with a 26 pinion.

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