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Thread: Best prop and expected speeds.

  1. #1
    Join Date
    Apr 2012
    Location
    FL
    Posts
    16

    Default Best prop and expected speeds.

    I have a new mystic and would like to keep the electronics stock. What are the best prop options and what kinds of speed should i expect running 2 grim racer 4200mAh 7.4v batteries. Discharge rates are 30c continuous and 60 surge. They are 2 cell batteries.

  2. #2
    Join Date
    Apr 2007
    Location
    WA
    Posts
    8,335

    Default

    Do a search for this on the forum. There is a TON of information on this topic on here...
    Darin E. Jordan - Renton, WA
    "Self-proclaimed skill-less leader in the hobby."

  3. #3
    Join Date
    Sep 2011
    Location
    nc
    Posts
    40

    Default

    All stock Mystic with 2 5600 60C lipos and a Octura X447 prop. Slightly raise the strut. This thing lit up. Ck out video. I very happy now. Hope this helps. Not sure of speed but very stable. Will race good in stk class.

    Scott Washam
    http://www.youtube.com/watch?v=5Pt0pNGdwxA

  4. #4
    Join Date
    Apr 2007
    Location
    WA
    Posts
    8,335

    Default

    Quote Originally Posted by part time rc View Post
    All stock Mystic with 2 5600 60C lipos and a Octura X447 prop. Slightly raise the strut. This thing lit up. Ck out video. I very happy now. Hope this helps. Not sure of speed but very stable. Will race good in stk class.

    Scott Washam
    http://www.youtube.com/watch?v=5Pt0pNGdwxA
    I sure hope you have upgraded the contacts and keep an eye on runtimes with that setup... You are pulling around 85-90A average now through that 60A ESC, which will likely take it. The 3.5mm contacts, on the other hand, are likely already desoldering... Be careful!
    Darin E. Jordan - Renton, WA
    "Self-proclaimed skill-less leader in the hobby."

  5. #5
    Join Date
    Jun 2008
    Location
    GA
    Posts
    2,318

    Default

    The Motley Crew was running too wet (too tight)

  6. #6
    Join Date
    Sep 2011
    Location
    nc
    Posts
    40

    Default

    Forgot to mention, no connectors at all. I direct soldered ESC wires to motor wires. My boat desoldered a connector on its maden run. Got rid of them then. Only two boats in video, but in oval racing with 4,5or 6 boats you very rarely hold it flat out all the time. So far motor temps and battery temps good. We ran a lot more laps in the video than what a normal race requires. Sure I have it on the upper limits, but thats what it took to to make it exciting. Thanks for the info. Thanks Darin.
    Scott Washam

  7. #7
    Join Date
    May 2012
    Location
    NC
    Posts
    4

    Default

    Part time really has that mystic haulin with the setup he stated, very stable as well. Since then I hv loosened up the crew.

  8. #8
    Join Date
    Feb 2012
    Location
    NJ
    Posts
    113

    Default

    I just ran my mystic with 2p4s 30/40 batts. Got about 4.5 min runtime and I also raised the stinger to be even withthe bottom of sponsons.

    It went 42.3mph with a x442 SB prop. Temps on Hk esc and motor were perfect.

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