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    Scimitar-class patrol vessel
    by CB90 ๐Ÿ‡ฌ๐Ÿ‡ง ( Warrant Officer)
    ๐Ÿ“ฃ










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    7 Posts 0 Comments 30 Photos 7 Likes
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    ๐Ÿ“ Change motor
    10 months ago by CB90 ( Warrant Officer)
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    Changed motor to a lighter out-runner with same shaft dimensions.

    Specification:
    Kv: 3700KV
    Max current: 32Amps
    Max Power: 330watts
    idle current: 3.6Amps
    Resistance: 0.0185ฮฉ
    Shaft: 3.175mm
    Weight: 75g
    Suggested ESC: 40A
    Cell count: 2-4s Lipoly (Voltage)
    Bolt holes spacing: 16mm
    Bolt thread: M2.5/M3

    motor
    lipo
    weight
    esc
    out-runner
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    ๐Ÿ“ Added ESC
    11 months ago by CB90 ( Warrant Officer)
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    Added a 60A ESC of Chinese origin, improved waterproofing, and modified the rudder water pickup.

    Repainted trim tab extension as while it sat in the test tank (AKA the bath) the water got into the wood and split the paint work car spray paint not as water proof as I had hoped.

    On the test I found it was pulling over 40Amps which is not what I want as this is a race boat with limited battery capacity
    so cut down propeller by filling of the lagging edge of the prop via a drimmel and a file, so now pulls under 30A at full throttle.

    At the pond I will check current and prop-sizes.

    chines
    paint
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    spray paint
    water proofing
    wood
    roof
    rudder
    chine
    propeller
    esc
    wood boat
    battery
    waterproof
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    ๐Ÿ“ Painted outside
    11 months ago by CB90 ( Warrant Officer)
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    Finish painting and adding some stickers, and a couple of pictures of the real thing.

    Fitted Motor in a water cooled jacket and motor mount.
    The motor is a 3650 and is rated as 3060kv Max Power: 1300W
    Max Voltage: 19V
    Max Amps: 68A
    Shaft Diameter: 3.2mm
    Shaft Length: 15mm
    Connector: 5.0mm Banana Connector
    Net Weight: 181g

    Servo fitted sideways via rubber bellows to external rudder fixed to transom.

    paint
    motor
    water jacket
    connector
    rudder
    weight
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    servo
    water cooled
    motor mount
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    ๐Ÿ“ Make a little more scale like.
    1 year ago by CB90 ( Warrant Officer)
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    Modified bow to give a more scale appearance added two guns to the rear of the deck as per the real article, may add some shields to the guns.

    deck
    bow
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    ๐Ÿ“ Prime and sand
    1 year ago by CB90 ( Warrant Officer)
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    Primed with white primer and will sand most of this away again.
    Please note boat is for semi-scale racing.
    the bow strakes have been reduced as per the real boat bow and perhaps allowing for some shark teeth details to be add as per one of the two original boats P285

    primer
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    ๐Ÿ“ Did a bit more
    1 year ago by CB90 ( Warrant Officer)
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    Added a flexi drive, after fining out they were permissible in the rules of our semi-scale racing it came from a spare boat and a rudder to the transom (not allowed to have extended rudders or surface drives) I picked a rudder on the transom also because I had a spare one kicking around (save some money) and I have had trouble with water ingress with rudder tubes at higher speeds.
    Also added trim tabs to the transom and a servo for the rudder.
    primed the superstructure and added a locking screw (plastic) to hold it in place.

    superstructure
    rudder
    crew
    servo
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    ๐Ÿ“ Scimitar-class patrol vessel
    1 year ago by CB90 ( Warrant Officer)
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    Two vessel in it class
    (1) HMS Scimitar
    (2) HMS Sabre

    Launched: December 1992
    Displacement: 24,000ย kg
    Builder: Portsmouth
    Armament: 2 ร— General purpose machine guns (stern-mounted)
    Complement: 7 (1 officer, 6 ratings)
    Gibraltar Squadron's two Scimitar-class boats are the smallest commissioned vessels in the Royal Navy.

    This build was to produce a fun semi scale racing boat, I have always liked the Archer class boats cabin design. So after finding a suitable hull, an old 'Models by Design' GRP moulding I was away with the rest of the build.

    Striped out all old fittings and remnants removed excess glue.

    Added strakes to the hull to add lift for planning and control.

    Produced a semi scale deck and cabin from light ply.

    Thanks for your interest
    Roy

    glue
    cabin
    fittings
    racing boat
    hull
    vessel
    port
    build
    deck
    chine
    grp hull
    scale model
    royal navy
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