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    Followers
    Brushless motor(s)
    by Little-Charlie πŸ‡¬πŸ‡§ ( Leading Seaman)
    πŸ“£










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    9 Posts 8 Replies 0 Photos 6 Likes
    ( Newest Posts Shown First )
    RHBaker
    Sub-Lieutenant
    πŸ“ Brushless motor(s)
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    Country: πŸ‡¨πŸ‡¦ Canada
    Online: 3 hours ago
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    Thanks, probably explains why the original motor is out of stock with no estimated replenishment date.
    Will update my notes to the 3639 750 kV
    Rowen
    canabus
    Midshipman
    πŸ“ Brushless motor(s)
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    Country: πŸ‡¦πŸ‡Ί Australia
    Online: 8 days ago
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    Hi RHBaker
    I had the motor ,so I used it.
    The sister motor is a 3639-750kv 600Watts 8325 rpm on 3S.
    The 3639-1100kv 800Watts 12210 rpm on 3S.
    Next up the 3648-1450kv 1600Watts 16095 rpm on 3S.
    All are straight bolt replacement, but, the 3648 requires a 100Amp ESC.

    The 3639 750kv would be the better motor for the boat to get scale speed.

    Canabus
    1
    RHBaker
    Sub-Lieutenant
    πŸ“ Brushless motor(s)
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    Country: πŸ‡¨πŸ‡¦ Canada
    Online: 3 hours ago
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    Well Canabus, certainly fast! Very envious of seeing open water too.
    If was not obsessed with building to scale, looks like your power train combination would be ideal.
    Once the water is Canada regains liquid form will be returning to my Brave B. Am confident it will now be much better, although potentially still overpowered.
    Have various methods available for controlling the performance in mind now. However, if nothing really works could, with some minor modifications fit a powertrain rather like yours.
    More food for though!
    Joe727
    Chief Petty Officer 1st Class
    πŸ“ Brushless motor(s)
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    Country: πŸ‡ΊπŸ‡Έ United States
    Online: 10 days ago
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    Charlie,
    Good question.

    I have a number of brushless motors and esc' from my model airplane days..... I model slow boats like tugs and just assumed that they would be too fast for these boats, but I don't know if this is true or not....

    Maybe someone out there knows?

    Joe
    canabus
    Midshipman
    πŸ“ Brushless motor(s)
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    Country: πŸ‡¦πŸ‡Ί Australia
    Online: 8 days ago
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    Hi Charlie
    I have tested my 37" Perkasa with a brushless 3639-1100kv motor from Hobbyking, a 60A ESC, 3S 5800MAH Lipo battery and 37mm 3 blade CNC prop.
    It's dam fast !!!!
    https://www.youtube.com/watch?v=9fddqnbnlrQ
    Canabus
    https://www.youtube.com/watch?v=9fddqnbnlrQ
    πŸ”—
    Marine Modellers & RC Toys Tasmania 22th Dec 2018
    ▢️
    3
    Little-Charlie
    Leading Seaman
    πŸ“ Brushless motor(s)
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    Country: πŸ‡¬πŸ‡§ United Kingdom
    Online: 10 hours ago
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    Thanks Rowan for your second message I do appreciate the offer and I am sure you will be hearing from me in the future
    Regards
    Little Charlie
    1
    Little-Charlie
    Leading Seaman
    πŸ“ Brushless motor(s)
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    Country: πŸ‡¬πŸ‡§ United Kingdom
    Online: 10 hours ago
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    Thank you Rowan it has been very useful, will eventually post how I get on, not as simple as one thinks, never mind onwards and upwards as they say................once again thank you for your response
    Little Charlie
    RHBaker
    Sub-Lieutenant
    πŸ“ Brushless motor(s)
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    Country: πŸ‡¨πŸ‡¦ Canada
    Online: 3 hours ago
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    Charlie. Have recently been through this challenge with my 37” Brave Borderer. My blog on this site may not give all the answers, but it might save you making the mistakes I did
    Rowen
    1
    Little-Charlie
    Leading Seaman
    πŸ“ Brushless motor(s)
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    Country: πŸ‡¬πŸ‡§ United Kingdom
    Online: 10 hours ago
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    Hi, I have recently purchased a Precedent KD Perkasa kit 37" and would like to power it with a brushless motor, but being an Old F**t I know nothing at all about Brushless Motors or their relevant speed controllers or battery power. So I would like your input on what exactly I need, obviously I would like the model to have a fair turn of speed. Thanking you in anticipation of your much needed assistance. Little Charlie



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