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    Martin555
    Member Stats
    Stats
    Member No.#5521
    RegisteredπŸ“…16th Apr 2019
    Last OnlineπŸ“…16th Jul 2019
    CityπŸ“Southampton
    CountryπŸ‡¬πŸ‡§United Kingdom
    Gender♂️Male
    AgeπŸ‘Ά61
    PostsπŸ’¬531
    FollowersπŸ“£4
    Likes ReceivedπŸ‘599

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    πŸ‡¬πŸ‡§ MouldBuilder ( Warrant Officer)
    πŸ‡¬πŸ‡§ Colin H ( Lieutenant Commander)
    πŸ‡©πŸ‡ͺ RNinMunich ( Fleet Admiral)
    πŸ‡ΊπŸ‡Έ figtree7nts ( Commodore)
    4 Followers
    Recent Activity
    Liked Fish boxes 6 hours ago
    Liked Re: Cabin Lights! 6 hours ago
    Liked Re: Cabin Lights! 6 hours ago
    Lieutenant
    Ranks Points
    Fleet Admiral 10,000
    Admiral 8,000
    Vice Admiral 6,000
    Rear Admiral 5,000
    Commodore 4,000
    Captain 3,000
    Commander 2,500
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    Lieutenant 1,600
    Sub-Lieutenant 1,200
    Midshipman 900
    Warrant Officer 600
    Chief Petty Officer 1st Class 450
    Chief Petty Officer 2nd Class 300
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    Master Seaman 100
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    Able Seaman 20
    Recruit 0
    221 Points Away From Lieutenant Commander!
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    πŸ‘ Likes (rcv'd)1599
    πŸ’¬ Forum2514
    ✍️ Comments2446
    ✏️ Blog4132
    πŸ“· Photos44
    πŸŽ₯ Videos100
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    Signature
    If it looks right it probably is.
    Members Harbour
    Steampunk Pike.
    Here is my Steampunk Pike. She is still a work in progress. Eventually it will be static dive. Length 40" Width 11" Height 14" There is still a lot to do including weathering. Martin.
    Schooner
    Small scratch built static model of a Schooner made quite a few years ago. Length 6" Height 51/2" Beam 1" I made this when I was in between projects.
    HMS EXETER.
    This Was scratch built approximately 28 years ago. If I remember correctly it took me three years to make and at a scale of 1/96. Again photos of photos as no digital cameras in those days.
    Vosper torpedo boat.
    I made this about 30 years ago. Unfortunately the photos are of photos as we did not have digital cameras in those days.
    Type V11C Submarine.
    I assembled this Revell 1/72 scale kit about two years ago.
    C01
    This is a coastal patrol ship that practically designed its self. I had some plastic card and I just wanted to make something, I hade no plans or drawings and this was the end result. This was made using my baking paper tip. I never got around to installing rc equipment in it as a friend decided that he wanted it as it was. And I never got took any photos of the making of it.
    HMS Cottesmore
    I just thought I would post some photos of my HMS Cottesmore. She is still a work in progress. I have been working on her for about three years now.(in between other projects) I purchased the hull And running gear from Fleetscale. Everything else has been made by myself using odds and ends, bits and pieces including yogurt pots and a lot of LED's I have a few more years work to do before she is completed, lots more bits to make.
    Springer Tug
    I just thought I would post a few photos of a little tug that I made some time ago.
    Recent Posts
    πŸ“ Sub dive system.
    5 hours ago by Martin555 ( Lieutenant)
    Flag
    Hi Peter,
    This explains some of the different systems.
    https://www.gettingstartedinrc.com/rc-submarine-ballast-syst...

    Martin.
    https://www.gettingstartedinrc.com/rc-submarine-ballast-systems/
    πŸ”—
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    πŸ’¬ Re: Fish boxes
    6 hours ago by Martin555 ( Lieutenant)
    Flag
    Looking forward to seeing them when they are finished.
    Well done.
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    πŸ“ Sub dive system.
    6 hours ago by Martin555 ( Lieutenant)
    Flag
    Hi Doug,
    Er .. No! Due to the cooling effect of the water it will actually contract, thus reducing the internal pressure. Venting air from the dive tank to the internal tube counteracts this effect.

    Thank you Doug I stand corrected.

    Martin.

    tube
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    πŸ“ Sub dive system.
    17 hours ago by Martin555 ( Lieutenant)
    Flag
    Peter,
    This might help with your decision.

    https://youtu.be/zU3EgLBFgow

    Martin.
    https://youtu.be/zU3EgLBFgow
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    πŸ“ Sub dive system.
    18 hours ago by Martin555 ( Lieutenant)
    Flag
    Hi Peter,
    If you look at the sites that I have mentioned in my text below you will be able to see the systems and get a good idea of how you could make one.

    Martin.
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    πŸ“ Motor reversing
    18 hours ago by Martin555 ( Lieutenant)
    Flag
    I am not sure Doug,
    But do they have reversing switches.

    Martin.
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    πŸ“ Motor reversing
    18 hours ago by Martin555 ( Lieutenant)
    Flag
    The old sock, is it port or starboard ?

    Martin.

    sock
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    πŸ“ Sub dive system.
    18 hours ago by Martin555 ( Lieutenant)
    Flag
    Hi Guys,
    In the thread (motor reversing) we drifted on to the subject of Submarine Watertight Compartments.

    Well I am by no means an expert on this subject but I have been following with interest.

    Please correct me if I am wrong.

    At the depth that most model submariners use there subs is normally at periscope depth or just under especially when the water is not clear.
    In a swimming pool then the submarine will be used at much deeper depths.
    There are a lot if different WTC's on the market today each having different ways of securing end caps and different ways of ballasting.
    Each design has it good and bad points, therefore when considering what system to purchase or make you should consider how you will be using your submarine.

    All model submarines will reach the bottom if you don't stop them, and as model submarines are not cheap then why would you risk losing sight of it.

    Now this bit is the tricky bit.
    The pressures that most model submarines would normally come across are not that great but are greater if using it in a swimming pool.
    From what I can see the conversation on wall thickness,depth,and pressure seems to be more on the side of belt and braces.
    Obviously the deeper you go the higher the pressure, the air inside the compartment will expand.
    Depending on the system that you choose the air pressure inside the tube could increase as the ballast tank is filled forcing the air in to the electrical sections.
    Other systems vent the air from the ballast tank and do not increase the pressure inside the tube.

    As I have said I am not an expert so please feel free to call me an idiot or something.

    As I am sure that we try to over engineer things just to be on the safe side.

    Martin.
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    πŸ’¬ Re: My current fleet 14 July 2019
    22 hours ago by Martin555 ( Lieutenant)
    Flag
    It would be a total nightmare if they used submarines.
    That game could go on for a very long time.

    Martin.
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    πŸ’¬ Re: On the water (YouTube)
    23 hours ago by Martin555 ( Lieutenant)
    Flag
    Hi Graham,
    Well that's what it is all about.
    After watching the build and then seeing her completely finished and actually on the water is a really nice thing.
    You must be really pleased and proud.
    Excellent work well done.

    Martin.
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    πŸ“ Motor reversing
    23 hours ago by Martin555 ( Lieutenant)
    Flag
    I agree Doug.
    Sorry to hear about your grill, but looking at your avatar you will need to get a BIG grill. LOL!!

    Martin.

    grill
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    πŸ’¬ Re: My current fleet 14 July 2019
    24 hours ago by Martin555 ( Lieutenant)
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    My own 'To Do' list gets smaller but the one my wife writes definitely gets longer LOL!

    Martin.
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    πŸ“ Port/ starboard socks.
    1 day ago by Martin555 ( Lieutenant)
    Flag
    Hi Nerys,
    If you go to Doug's profile page there is a tab for private messages.

    Martin.
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    πŸ“ Motor reversing
    1 day ago by Martin555 ( Lieutenant)
    Flag
    View All
    Doug,
    I have just seen this.
    2.4g.
    Expensive!

    Martin.
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    πŸ’¬ Re: My current fleet 14 July 2019
    1 day ago by Martin555 ( Lieutenant)
    Flag
    A ship in a bottle would not take up much space.

    Martin.

    bottle
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    πŸ“ Sub dive system.
    1 day ago by Martin555 ( Lieutenant)
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    Hi Guys,
    This is the sort of system that I have been trying to explain.
    The photo is a snippet from the internet.
    Although it said that cannot dive stationary, well that depends on how the submarine
    Is weighted and ballasted.
    Peter,
    If you type in on your web browser " model submarine dive systems " you will find a lot of information, also on utube look for Bob Martin (rc sub guy) his videos are very interesting.

    Martin.
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    πŸ’¬ Re: My current fleet 14 July 2019
    1 day ago by Martin555 ( Lieutenant)
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    I am working on something that is definitely unusual and will be a bit of a talking point.

    Martin.
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    πŸ“ Boat retrieval
    1 day ago by Martin555 ( Lieutenant)
    Flag
    Certainly something to think about Doug.

    Martin.
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    πŸ“ Motor reversing
    1 day ago by Martin555 ( Lieutenant)
    Flag
    Thank you for the offer it is much appreciated but I am not really a sub guy.
    I just tinker to see if I can do things.
    Thanks again.

    Martin.
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    πŸ“ Motor reversing
    1 day ago by Martin555 ( Lieutenant)
    Flag
    My tube is exactly the same as yours Peter.

    Martin.
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    πŸ“ Motor reversing
    2 days ago by Martin555 ( Lieutenant)
    Flag
    Hi Peter,
    When the Gato submarine is ballasted correctly you will be surprised just how little water is required to start to submerge it.
    I used standard servos as that was all I had,but if you use the 9g small servos you will end up with a lot more room and it will be lighter so you will require more ballast.

    Martin.

    servos
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    πŸ“ Port/ starboard socks.
    2 days ago by Martin555 ( Lieutenant)
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    Hi Ken,
    I am glad that you had a great time.
    And I love the socks.

    Martin.

    socks
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    πŸ’¬ Re: 40" Seaplane Tender, new build P
    2 days ago by Martin555 ( Lieutenant)
    Flag
    Looking good JB,
    Really looking forward to seeing the end result.
    Keep up the good work.

    Martin.
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    πŸ’¬ Re: My current fleet 14 July 2019
    2 days ago by Martin555 ( Lieutenant)
    Flag
    A very very nice collection.
    Well done.

    Martin.
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    πŸ’¬ Re: 36" Maiami Crash boat used for camera boat.
    2 days ago by Martin555 ( Lieutenant)
    Flag
    Hi JB,
    Thank you for your generous offer but I cannot accept.
    I really do appreciate it.
    I still have quite a lot of bits and pieces to use up.

    Thanks again.

    Martin.
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    πŸ“ Boat retrieval
    2 days ago by Martin555 ( Lieutenant)
    Flag
    Interesting how does that work. ?
    How is it fitted in the submarine. ?

    Martin.
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    πŸ“ Boat retrieval
    2 days ago by Martin555 ( Lieutenant)
    Flag
    Good job that it wasn't winter.

    I have been thinking again! No not again I hear you say.
    Well I have been toying with the idea of fitting a reel of fine fishing line inside HMS Cottesmore and having a deck fitting that will float if the worst should happen.
    At least I would know where she is lying on the bottom.

    Martin.
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    πŸ’¬ Re: 36" Maiami Crash boat used for camera boat.
    2 days ago by Martin555 ( Lieutenant)
    Flag
    I must admit I have never had any problems with any shafts, having said that the chances of my boats hitting the water now are over for me.
    However when I make my models I always grease them up just in case I end up selling them.

    Once I have used up all my bits and pieces, odds and ends I will still make models for RC and test all the movements to make sure they do what they are supposed to do.

    Martin.

    models
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    πŸ“ Boat retrieval
    2 days ago by Martin555 ( Lieutenant)
    Flag
    Well Doug it was a bit of entertainment for your fellow members.

    Martin.
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    πŸ“ Motor reversing
    2 days ago by Martin555 ( Lieutenant)
    Flag
    Eventually when I am completely happy with the way it all works I will fit a few small retaining screws in the end caps.
    She is trimmed both in surface trim and submerged trim using lead weights and close cell foam.
    At the moment when I flood the tank she submerges fairly evenly.
    But it is all experiments at the moment.

    Martin.
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