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    Battery sizing
    by drspock ๐Ÿ‡ฌ๐Ÿ‡ง ( Leading Seaman)
    ๐Ÿ“ฃ










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    10 Posts 9 Replies 0 Photos 9 Likes
    ( Newest Posts Shown First )
    BOATSHED
    Midshipman
    ๐Ÿ“ Battery sizing
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    Country: ๐Ÿ‡ฌ๐Ÿ‡ง United Kingdom
    Online: 2 days ago
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    Hi thanks for your reply. but is it club waters only or can anyone use it. Also is IC allowed? I live in Dartford Kent one of my sons live in Heywood and I visit up there a couple of times a year and it looks like a large lake and if it is ok for anyone to use I thought I could also bring a boat or two with me when I come. I know there is another place at Mutual Mill at the end of the road where my wife has a house that she rents out but I have never been to see how large it is. I did ask once if it was fishable but told it was for private use only. But wasn't told back then that is was used by a model boat club.
    BOATSHED
    Rookysailor
    Lieutenant Commander
    ๐Ÿ“ Battery sizing
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    Country: ๐Ÿ‡ฌ๐Ÿ‡ง United Kingdom
    Online: 2 days ago
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    The picture is of BMMMS Club lake, BURY METRO MARINE MODELLING SOCIETY.
    The lake is at Clarence Park Lido, BURY, LANCS.
    BOATSHED
    Midshipman
    ๐Ÿ“ Battery sizing
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    Country: ๐Ÿ‡ฌ๐Ÿ‡ง United Kingdom
    Online: 2 days ago
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    The picture of the lake in you avatar, could you please tell me where it is and is it a club lake only and does it have any restrictions? ie IC or anything else?
    BOATSHED
    Rookysailor
    Lieutenant Commander
    ๐Ÿ“ Battery sizing
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    Country: ๐Ÿ‡ฌ๐Ÿ‡ง United Kingdom
    Online: 2 days ago
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    Typing error rectified....thank you.๐Ÿ˜Š
    drspock
    Leading Seaman
    ๐Ÿ“ Battery sizing
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    Country: ๐Ÿ‡ฌ๐Ÿ‡ง United Kingdom
    Online: 3 days ago
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    Thanks for reply ,on that basis will try!
    1
    drspock
    Leading Seaman
    ๐Ÿ“ Battery sizing
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    Country: ๐Ÿ‡ฌ๐Ÿ‡ง United Kingdom
    Online: 3 days ago
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    Thanks for that,the faulty battery was 4S, and in bench testing seemed a bit viscious.
    1
    unknowndna
    Able Seaman
    ๐Ÿ“ Battery sizing
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    Country: ๐Ÿ‡ฌ๐Ÿ‡ง United Kingdom
    Online: 7 days ago
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    Did you mean 5000mah? 500 would run that motor for about a minute
    1
    Rookysailor
    Lieutenant Commander
    ๐Ÿ“ Battery sizing
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    Country: ๐Ÿ‡ฌ๐Ÿ‡ง United Kingdom
    Online: 2 days ago
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    I have the very same boat but a 2700kv inrunner, with a 120A turnigy ESC, I nearly always use a
    3s 5000mah Turnigy lipo, I find this fast enough and gets on the plane within 10ft, have used a 2s lipo,
    if the lake is busy, but still goes like S***.๐Ÿ˜

    Cheers, Pete
    2
    mturpin013
    Commander
    ๐Ÿ“ Battery sizing
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    Country: ๐Ÿ‡ฌ๐Ÿ‡ง United Kingdom
    Online: 19 seconds ago
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    Hi there I'm no expert but looking at the spec of the motor it really depends on how fast you want it to go but your maximum is 5S 18.5volts. I'm sure others will be able to offer recommendations based on there own boats.

    Specs:
    RPM/v: 2200kv
    Poles: 4
    Max voltage: 18.5V (5S)
    Max Current: 100A
    Max Watts: 1200w
    Resistance: 0.0094ohm
    No Load Current: 2.9A
    Can Diameter: 39mm (actual motor diameter)
    Can Diameter inc. Water Jacket: 49mm
    Can Length: 69mm
    Shaft Size: 5mm
    Weight: 415g
    1
    drspock
    Leading Seaman
    ๐Ÿ“ Battery sizing
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    Country: ๐Ÿ‡ฌ๐Ÿ‡ง United Kingdom
    Online: 3 days ago
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    Hello chaps,
    Have been absent for a while ,having been sidelined with plastic kits; but having made them,what to DO with them!
    I have built a very respectable 50" KD Perkasa.
    Have never had it in the water,but recently found a club water within reasonable travelling distance and want to USE it.
    I have been regularly maintenance smart charging the Li Po battery until it burst (Turnigy).
    The motor is a Turnigy Aquastar 3974 2200 Kv brushless with Turnigy water cooled ESC. Prop is a single 50mm.
    Please can someone advise me on what size battery I need.
    3



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