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    Lesro Arrow
    by terry290654 πŸ‡¬πŸ‡§ ( Able Seaman)
    πŸ“£










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    πŸ“ Lesro Arrow
    20 days ago by terry290654 ( Able Seaman)
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    I am about to start construction or a Lesro Arrow speed boat , any suggestions for a Electric motor,?
    I have a Mfa Torpedo 850 i was thinking of using , thoughts information advice welcome
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    πŸ’¬ Re: Lesro Arrow
    17 days ago by RNinMunich ( Fleet Admiral)
    Flag
    Hi Terry,
    I note from the SLEC website that they recommend a Brushless Motor : 3536/8 1000Kv.

    "Parts Needed to Complete the Model
    10in x 4mm Prop Shaft PR830B
    4mm to 5mm Coupling PR840C
    Small Rudder PR833A
    2 Bladed Prop 40 with 4mm thread PR 834A
    Brushless Motor : 3536/8 1000Kv
    50amp Brushless ESC with Reverse
    3s Li-Po Battery Pack
    White Metal Fittings Pack Available Part No PR804A"

    Considering the size of the boat (25.75") and the motor diameter (36mm) I would be more inclined to fit a 35mm prop. I'd use a 3-blader but that's a matter of taste / aesthetics πŸ˜‰

    For reference, my 24.5" Sea Scout gets on the plane and runs very nicely with a 2830 1000kv brushless, 30mm 3 blade brass prop, running on a 3S (11.1V NOM) battery.
    See my trials results here
    https://model-boats.com/gallery?q=Sea%20Scout
    Hope this helps,
    Cheers, Doug 😎
    gallery?q=Sea%20Scout
    πŸ”—
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    πŸ’¬ Re: Lesro Arrow
    17 days ago by MouldBuilder ( Rear Admiral)
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    If this is going to be a speed boat, perhaps a brushless is the way to go. Much faster, smaller and lighter. There are members who would be able to advise as to the size but at the same time, consideration with regards to the battery would also be useful. With LiPo batteries, the brushless will often work with several cell arrangements with 2s at 7.4 volts up to around 4s at 14.8 volts. Each variation will increase the RPM of the motor. I hope this is right but I am sure a kind member will correct me if not.
    Peter.
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