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  1. #1
    RC poster
    Join Date
    Jan 2013
    Posts
    6

    My 3903 brushless conversion

    Heh guys thought I would share my story. Bought a new 3903 about a month ago. Being a RC helicopter pilot, I had a high power charging setup so I bought a couple Gens Ace 5000mah 40c lipos. That woke the truck up quite a bit however I found myself wanting more power.

    So I bought the Hobbywing SC-8 WP and a Hobbywing 2000kv brushless motor. I am running a 21 tooth pinion with the stock 68 tooth spur gear. All I can say is WOW. Tons of power down low and good top end speed. I would highly recommend this power upgrade. Total cost was around 150.

  2. #2
    RC Qualifier
    Join Date
    Feb 2005
    Location
    Good 'ol U S of Ayyyyyy!
    Posts
    441
    Is that a 550 motor? I'm looking to convert a T Maxx to brushless and getting ideas on what to run.
    The motor mount I have requires a 550.
    Bash, Crash, Upgrade, Repeat..

  3. #3

  4. #4
    RC Qualifier
    Join Date
    Jan 2013
    Location
    Austin Tx
    Posts
    360
    Did u buy a single motor mount ?

  5. #5
    RC poster
    Join Date
    Jan 2013
    Posts
    6
    Nope, just put a piece of tape over the hole.

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