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    octman
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    Member No.#3722
    RegisteredπŸ“…10th Apr 2016
    Last OnlineπŸ“…8th Oct 2023
    CityπŸ“Worcester
    CountryπŸ‡¬πŸ‡§United Kingdom
    Gender♂️Male
    AgeπŸ‘ΆNot Provided
    PostsπŸ’¬142
    FollowersπŸ“£0
    Likes ReceivedπŸ‘84

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    Recent Activity
    Liked Copper Plating the Hull 3 years ago
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    Recent Posts
    πŸ“ what size ESC for motor I don't have a lot of info on
    2 years ago by πŸ‡¬πŸ‡§ octman ( Chief Petty Officer 2nd Class)
    ✧ 22 Views · 0 Likes
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    Sorry, wrong film. Should have been The Cruel Sea.

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    πŸ“ what size ESC for motor I don't have a lot of info on
    2 years ago by πŸ‡¬πŸ‡§ octman ( Chief Petty Officer 2nd Class)
    ✧ 22 Views · 0 Likes
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    the way i drive airboats reverse might be a a necessity! But as the asdic instructor said in Sink the Bismark, all it takes is practice, lots of lovely practice.

    πŸ“ what size ESC for motor I don't have a lot of info on
    2 years ago by πŸ‡¬πŸ‡§ octman ( Chief Petty Officer 2nd Class)
    ✧ 35 Views · 0 Likes
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    πŸ“ Reply
    Thanks Doug for the speedy reply. ESC on order!

    Chris

    πŸ“ what size ESC for motor I don't have a lot of info on
    2 years ago by πŸ‡¬πŸ‡§ octman ( Chief Petty Officer 2nd Class)
    ✧ 57 Views · 0 Likes
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    I have a Marspower MX2212 920Kv brushless motor that I want to use in air boat I am making, but the only tech details I can find is the no load current rating of 0.5A, the stator dia is 22mm and the motor length, less shaft, is 24mm.
    I am not too cognisant with all the ins and outs of brushless motors and ESC's so would be grateful if anyone could give me some idea regarding what size ESC would be right for this motor. The only things I know for certain is it needs to be waterproof, and have reverse.
    Any help gratefully received.
    Thanks
    Chris

    πŸ“ NiMh Charging
    2 years ago by πŸ‡¬πŸ‡§ octman ( Chief Petty Officer 2nd Class)
    ✧ 31 Views · 0 Likes
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    πŸ“ Reply
    I understand the 1/10 capacity for 10 hours charging rate so no need for any comments on that please, but if the battery is partially charged, to an unknown state, how long should it be charged for. Is it still 10 hours, is there a possibility of overcharging and damaging the battery?

    Oops, this should have gone into the Forum, not the how to section. Sorry. Can it be moved please?

    πŸ“ NiMh Charging
    2 years ago by πŸ‡¬πŸ‡§ octman ( Chief Petty Officer 2nd Class)
    ✧ 31 Views · 0 Likes
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    I understand the 1/10 capacity for 10 hours charging rate so no need for any comments on that please, but if the battery is partially charged, to an unknown state, how long should it be charged for. Is it still 10 hours, is there a possibility of overcharging and damaging the battery?

    πŸ“ adding strakes to existing hull
    2 years ago by πŸ‡¬πŸ‡§ octman ( Chief Petty Officer 2nd Class)
    ✧ 56 Views · 1 Like
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    I have an Aeronaut Jenny which rolls a bit on tight turns, and I feel the need to add some strakes to the hull to reduce the roll.
    What I need advise on is the design of these. I am thinking of 2 either side of the keel, but at what distances from the keel, and what point on the hull do the radiate from? Or are there no specifics for any of these, and they can go anywhere, so long as it looks right?
    Chris

    πŸ“ Preferred location of ESC
    3 years ago by πŸ‡¬πŸ‡§ octman ( Chief Petty Officer 2nd Class)
    ✧ 27 Views · 1 Like
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    πŸ“ Reply
    In the hull of the model I am refurbishing, an Aero-Naut Jenny, the brushless motor is located quite some distance from where the battery and receiver are positioned. Is there a preferred location for the ESC? Near the battery to keep the power supply leads short, or near the motor, to keep the motor leads short. Or doesn't it matter considering the the relatively short distances involved whichever way I do it?
    If I have the ESC at the back near the battery and receiver, under the cockpit , there is not a lot of headroom when the cockpit is in place and therefore not a lot of fresh air to cool the ESC so water cooling may have to be added. Whereas in the "engine room" there is more space.
    Have I answered my own question re the preferred location?

    Chris

    πŸ“ removing dried acrylic paint
    3 years ago by πŸ‡¬πŸ‡§ octman ( Chief Petty Officer 2nd Class)
    ✧ 38 Views · 3 Likes
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    πŸ“ Reply
    Thanks for all this folks. I think i will follow RN in Munchen's advise and use that old standby, elbow grease.

    Chris

    πŸ“ removing dried acrylic paint
    3 years ago by πŸ‡¬πŸ‡§ octman ( Chief Petty Officer 2nd Class)
    ✧ 67 Views · 1 Like
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    πŸ“ Reply
    I read somewhere that dried acrylic paint can be removed using ammonia. I tried this earlier today on matt white Humbrol and the only thing that was removed was me from the garage to get away from the smell! If ammonia does not remove dried acrylic does anyone know of something that might?

    Chris

    πŸ’¬ Re: The Tub Test, NIMH Battery!
    3 years ago by πŸ‡¬πŸ‡§ octman ( Chief Petty Officer 2nd Class)
    ✧ 20 Views · 0 Likes
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    What camera are you using, and what settings? The exposure seems OK but there looks like a bit of camera shake and/or out of focus. Both can possibly be overcome without needing a new camera, 'cos they ain't cheap.

    Chris

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    πŸ’¬ Re: Priming the Hull and assembling the battery tray & servo mount.
    4 years ago by πŸ‡¬πŸ‡§ octman ( Chief Petty Officer 2nd Class)
    ✧ 104 Views · 1 Like
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    or even a "should have" moment!

    πŸ“ SHG Model Supplies
    4 years ago by πŸ‡¬πŸ‡§ octman ( Chief Petty Officer 2nd Class)
    ✧ 13 Views · 2 Likes
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    πŸ“ Reply
    Thanks for the info. Perhaps my stuff is in the post as they have taken payment for it from my bank. Will just have to wait and see. It’s a bit vexing as there is only so much other stuff I can do on the model before the shafts go in.
    I might even have to do some painting and decorating in the house!
    Chris

    πŸ“ SHG Model Supplies
    4 years ago by πŸ‡¬πŸ‡§ octman ( Chief Petty Officer 2nd Class)
    ✧ 12 Views · 2 Likes
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    πŸ“ Reply
    Anybody know what is happening here. I ordered some stuff by phone just before the lockdown and have heard nothing since. Their voice mail says that they are suffering as a result of the current situation which I fully understand, but they do say to go to their e.bay shop instead. I sent them an e.mail via e.bay but this came back from e.bay saying they couldn't deliver it. Nothing heard since but I note that a debit has now been made from my bank account for the order although I have had no acknowledgement from SHG.
    I am not complaining (too much) as I understand things can be very difficult at the moment, but the lack of information is a bit frustrating.

    πŸ“ Italeri S38 Schnellboot colours
    4 years ago by πŸ‡¬πŸ‡§ octman ( Chief Petty Officer 2nd Class)
    ✧ 14 Views · 3 Likes
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    I am building one of these kits and in the list of paints required is Insignia Yellow but I have through the plans several times and cannot find any item that is supposed to be yellow. There is a life raft on the rear deck but that, according to the box lid and enclosed colour drawings, is either grayish or dark green.(A large yellow object on the deck of a camouflaged warship would not be a good idea I assume).
    Any suggestions as to which item is yellow would be much appreciated.

    Chris

    πŸ“ size brass sheet.
    4 years ago by πŸ‡¬πŸ‡§ octman ( Chief Petty Officer 2nd Class)
    ✧ 11 Views · 1 Like
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    πŸ“ Reply
    Thanks chaps,
    Both sites now bookmarked.

    Chris

    πŸ“ size brass sheet.
    4 years ago by πŸ‡¬πŸ‡§ octman ( Chief Petty Officer 2nd Class)
    ✧ 10 Views · 0 Likes
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    I am trying to obtain some 1mm x 2mm x 1 metre(or however long it has to be) brass sheet. Does it exist, as all the sizes I have found so far are too big? If I have buy a sheet either 1 or 2 mm thick but a bit wider and then cut the required width I assume I will have to use something like a guillotine. Any suggestions on a suitable piece of equipment to do this, or even better, a source of brass sheet that is the correct size in the first place.

    Chris

    πŸ’¬ Re: Jet powered ski boat
    4 years ago by πŸ‡¬πŸ‡§ octman ( Chief Petty Officer 2nd Class)
    ✧ 20 Views · 1 Like
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    Be careful not to knock the nozzle off the back as you will lose steering and it's a xxxx to replace it as it is bound to full off in the water. I lost mine several months ago when I tried to go round a floating fountain at the other end of the lake but went over it instead. Quite a spectacular flight but no more steering. Trouble is, the time and effort trying to replace the nozzle is probably not worth it and replacing the whole jet unit is the way to go, unless you have a 3D printer.
    But they do whizz about and are good fun.
    Chris

    πŸ’¬ Re: (Naval Ship) PT 109
    5 years ago by πŸ‡¬πŸ‡§ octman ( Chief Petty Officer 2nd Class)
    ✧ 22 Views · 1 Like
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    I was always led to believe that the 37mm gun was a cast off from the P39 Airocobra fighter, hence the shape of the ammo fee
    Chris

    πŸ“ Movies.
    5 years ago by πŸ‡¬πŸ‡§ octman ( Chief Petty Officer 2nd Class)
    ✧ 10 Views · 0 Likes
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    "For those in peril" was on the Talking Pictures channel only a couple of weeks ago. Lots of well known faces whose names I could not remember!!

    Chris

    πŸ“ Electronics 43x esc
    5 years ago by πŸ‡¬πŸ‡§ octman ( Chief Petty Officer 2nd Class)
    ✧ 16 Views · 1 Like
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    πŸ“ Reply
    Thanks chaps. You have provided everything I needed to know. Great.

    Chris

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    πŸ“ Electronics 43x esc
    5 years ago by πŸ‡¬πŸ‡§ octman ( Chief Petty Officer 2nd Class)
    ✧ 15 Views · 0 Likes
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    I have just acquired a model that has 2 Electronize 43X esc’s. I realise these are an old design and the company is no longer around( I think) but the ecs’s Look in very good condition and they do work. Does anyone know the set up process for these as I cannot find any instructions or You Tube video.Chris

    πŸ“ Model boat w gas motor/nitro
    5 years ago by πŸ‡¬πŸ‡§ octman ( Chief Petty Officer 2nd Class)
    ✧ 10 Views · 0 Likes
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    Possibly, in the exhaust gases.

    Chris

    πŸ“ No sailing in Port Perry Ontario Canada πŸ‡¨πŸ‡¦ for awhile And it is still coming down!
    5 years ago by πŸ‡¬πŸ‡§ octman ( Chief Petty Officer 2nd Class)
    ✧ 11 Views · 1 Like
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    You will have start making an airboat!

    πŸ“ Transmitter Mode 2
    5 years ago by πŸ‡¬πŸ‡§ octman ( Chief Petty Officer 2nd Class)
    ✧ 11 Views · 1 Like
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    πŸ“ Reply
    I think your Tx is the same as my Turnigy i6 and they only have spring loading on one stick

    πŸ“ vice suitable for Dremel Workstation
    5 years ago by πŸ‡¬πŸ‡§ octman ( Chief Petty Officer 2nd Class)
    ✧ 10 Views · 0 Likes
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    Thanks for the responses chaps. I was looking at the Proxxon one but saw another make which I have bought and will try out in the next few days.
    chris

    πŸ“ vice suitable for Dremel Workstation
    5 years ago by πŸ‡¬πŸ‡§ octman ( Chief Petty Officer 2nd Class)
    ✧ 11 Views · 1 Like
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    πŸ“ Reply
    Thanks Colin. I attach a photo of the base and the dimensions are shown on the base.

    Chris

    πŸ“ vice suitable for Dremel Workstation
    5 years ago by πŸ‡¬πŸ‡§ octman ( Chief Petty Officer 2nd Class)
    ✧ 10 Views · 0 Likes
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    πŸ“ Reply
    Good morning folks, I have a Dremel Workstation, or drill stand as I call it, and would like to get a small machine vice (is that the correct name?) to go with it. I have seen a few smallish ones but they are usually too big to bolt to the base. Can anyone out there offer any workable suggestions please? Also, is the material the vice is made from of make any relevance at this small size, i.e. is cast aluminium any good? ( I had a screw-on table top vice made of cast aluminium which snapped in half the first time I used it.)
    I feel the need for this vice as I am about to drill a 1mm hole in a model yacht's mast to locate the boom vang and with my shaky hands it could end up being big enough to pass the boom through without some sort of support!!

    Chris

    πŸ“ HMS Campbeltown 1941, 1/96 scale
    5 years ago by πŸ‡¬πŸ‡§ octman ( Chief Petty Officer 2nd Class)
    ✧ 13 Views · 3 Likes
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    I was wondering who would be the first to spot that, Pike!

    πŸ“ HMS Campbeltown 1941, 1/96 scale
    6 years ago by πŸ‡¬πŸ‡§ octman ( Chief Petty Officer 2nd Class)
    ✧ 11 Views · 2 Likes
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    πŸ“ Reply
    I think 'The Enemy Below' takes place in the South Atlantic, but the sea probably looks the same.



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