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Thread: Brushless Questions for Mini V

  1. #1
    Join Date
    Apr 2008
    Location
    Albuquerque
    Posts
    81

    Default Brushless Questions for Mini V

    Greetings All!

    I'm considering going brushless with my Mini V and could use a bit of advice.

    Currently I'm running a Graupner 480 BB Race motor with .098 flex cable and Octura x427 prop. The battery is stock. RPM is claimed by the manufacturer to be 27,000 RPM under no load.

    I know that I could get quite a bit more speed by going with li/po batteries, but I've been toying with the idea of changing to brushless.

    My question is this: If I run a 2200 kV brushless motor with 3s li/pos (11.1 V), which, I assume, would give me 24,420 RPM, would there be enough additional power to make up the difference with more prop?

    The reason I mention the 2200 kV brushless motor is that it would be a very good fit in size, weight and shaft dia. I could "drop it in". The motor I'm speaking of is the Electrifly Ammo 28-35-2200.

    Comments and suggestions are greatly appreciated. Thanks! Dave.

  2. #2
    Join Date
    Mar 2008
    Location
    OR
    Posts
    75

    Default

    I don't know the answer to your question but I put a 2600kv with a 2s and 30mm prop and it wanted to flip over if I gave it much throttle.
    MikeV

  3. #3
    Join Date
    Apr 2008
    Location
    Albuquerque
    Posts
    81

    Default

    Thanks MikeV.
    Someone else told me that they had put a brushless setup in the MiniV and the boat spent more time upside down than rightside up. I can't help but wonder if it's not just a matter of proper configuration/setup. I figure lots of people have done this. Opinions anyone?
    Thanks, Dave.

  4. #4
    Join Date
    Jul 2007
    Posts
    23

    Default

    I run a brushless mini-v with an upgraded flex wire drive, turn fins, and trim tabs. Right now it has a Neu 1105/3y and Quark33Pro ESC on 8.4volts. It rips pretty well, and the hull seems to handle the abuse just fine. Much easier to get up on a plane with brushless.

    No pictures post brushless, but it still looks similar to this...




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