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    roycv
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    Member No.#5840
    Registered๐Ÿ“…28th Apr 2020
    Last Online๐Ÿ“…19th Oct 2025
    City๐Ÿ“Watford
    Country๐Ÿ‡ฌ๐Ÿ‡งUnited Kingdom
    Genderโ™‚๏ธMale
    Age๐Ÿ‘ถ87
    Posts๐Ÿ’ฌ1859
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    Likes Received๐Ÿ‘5749

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    Recent Posts
    ๐Ÿ’ฌ Re: Aerokits Sea Commander. Strange Handling ?
    1 hour ago by ๐Ÿ‡ฌ๐Ÿ‡ง roycv ( Admiral)
    โœง 7 Views ยท 3 Likes
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    Hi all, my two penworth!
    If you want to run at that speed then make the rudder narrower.
    Second the hull is going too fast and is beyond its' speed envelope.
    In proportion my smaller Huntsman started out going even faster and was basically uncontrollable. She had just 10% of hull in the water and was flying rather than planing.

    Eventually she did exactly what your model has done turned on her side and dived down underwater. She then ran beneath the waves turning round and round and beyond RC control. After about 30 seconds she surfaced and stopped.

    That is when I decided she needed to slow down. The motor was a fast 380 with a 1 : 2 geardown driven by an ex-camera 6 volt NiCad. It was difficult finding the right power to weight ratio but she works very well now.

    I have not exagerated what happened, there was a witness but he died a while back.
    Roy

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    ๐Ÿ“ what am I recent acquisition
    1 day ago by ๐Ÿ‡ฌ๐Ÿ‡ง roycv ( Admiral)
    โœง 22 Views ยท 2 Likes
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    Hi StephenT, 1/43 is a good scale as there are lots model cars and of course 'O' gauge model railways, to choose from
    Roy

    ๐Ÿ’ฌ Re: Aerokits Sea Commander. Strange Handling ?
    4 days ago by ๐Ÿ‡ฌ๐Ÿ‡ง roycv ( Admiral)
    โœง 26 Views ยท 2 Likes
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    Hi Zooma I had a 'Bobby' if you remember it about 20 inches long. It had a 540 with a 30mm dia prop and it went really fast but had a tendancy to react to the torque involved.

    I started the wedge off at 0.25inch and 0.75 width using P38 and gradually it was filed down to just about 1/8th inches deep and that was enough.

    Take it easy on your first run the wedge looks rather much!
    regards Roy

    ๐Ÿ“ Vosper MTB 379
    4 days ago by ๐Ÿ‡ฌ๐Ÿ‡ง roycv ( Admiral)
    โœง 58 Views ยท 2 Likes
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    And of course we shall all be seeing your photographs?

    Good luck.
    Roy

    ๐Ÿ“ Question of the Day?
    5 days ago by ๐Ÿ‡ฌ๐Ÿ‡ง roycv ( Admiral)
    โœง 47 Views ยท 2 Likes
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    Thanks Ed, spot on. The Bongo drive has a monoperm super motor already mounted.
    I would just like to find another one to make a tug or the like for mydelf.
    Roy

    ๐Ÿ“ Question of the Day?
    5 days ago by ๐Ÿ‡ฌ๐Ÿ‡ง roycv ( Admiral)
    โœง 47 Views ยท 1 Like
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    Hi LewZ, I once gave a talk on model boat propulsion to our club. There are several options but VSP is the most expensive and also not easy to set up for the response you want from the Tx.

    I have a Graupner 'Bongo' unit which looks like an outboard but screws down through the hull at the stern. This has a drive similar to an outboard and rotates about 40 degrees either side of neutral within a 'Kort' nozzle, it has a name I can't remember now but no rudder is needed.

    If anyone has one for sale please let me know!

    I do not know what the losses are with the complex movement of the VSP but the ability to move anywhere must be the over riding criteria. It works well in model form as well.

    I think I read somewhere that the Azimuth propulsion units have been modelled. They are very popular in full size cruise ships.

    Many years ago we (the family) hired a narrow boat for a canal boat holiday in the UK. Our boat, really a scow, had a converted car engine (Morris Minor 800cc) to run on gas. The engine was mounted at the stern pointing forward and it was a Z drive (through 2 u/j's) to the prop.
    It worked as smooth as anything and seemed economical as well.

    regards
    Roy

    ๐Ÿ’ฌ Re: Aerokits Sea Commander. Strange Handling ?
    6 days ago by ๐Ÿ‡ฌ๐Ÿ‡ง roycv ( Admiral)
    โœง 33 Views ยท 2 Likes
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    Hi Zooma 2 things I agree the wedge might work, I fitted a wedge to an over-powered smaller boat years ago and was surprised how small it needed to be.

    Second thing is there should not be the almost obscuring amount of water over the bows. I still think the strakes are not so good but I can understand not wanting to take such drastic action.

    On a smaller boat similar design I had a lot of trouble both with pushing a mountain of water ahead of the boat, weight distribution and power.

    The first success was making the boat lighter with 4/5ths sub-C batteries, then the weight moving it around, until as far back as possible worked best. Finally a smaller propeller which seemed to give more speed(?).

    It is worth working on as my little boat looks really graceful as it gets onto the plane and she gently leans into turns as well.

    Best of luck
    Roy

    ๐Ÿ’ฌ Re: Aerokits Sea Commander. Strange Handling ?
    6 days ago by ๐Ÿ‡ฌ๐Ÿ‡ง roycv ( Admiral)
    โœง 38 Views ยท 3 Likes
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    Hi Zooma I think the spray rails below the main one are causing the problem.

    With ther lower rails converging on the chine one, the water gets broken up from the first joining lower spray rail.
    The water needs a clean path to follow but appears to be breaking up and the water going on the deck.

    Also the water at the bow is being parted and wants tp flow in a curve beneath the hull. If you look along that flow I think the prakes may have introduced mini breakwaters.
    Roy

    ๐Ÿ’ฌ Re: Aerokits Sea Commander. Strange Handling ?
    6 days ago by ๐Ÿ‡ฌ๐Ÿ‡ง roycv ( Admiral)
    โœง 40 Views ยท 2 Likes
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    You can see frrom the excess water being thrown up, that the hull bow, is dropping into where that water was.
    Try fitting spray rails at the chines to disperse the water, this then uses the sprayed water to give lift and ride up on to plane.

    For a 36 inch hull a bit less than 1/4 inch square wood will spray the water aside and will definitely speed the boat up. Keep the angles sharp and clean.

    I can't tell if there are spray rails on the boat already but if there are, then they are not wide/big enough.
    Roy

    ๐Ÿ“ Dutch sailing barge
    6 days ago by ๐Ÿ‡ฌ๐Ÿ‡ง roycv ( Admiral)
    โœง 25 Views ยท 2 Likes
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    I think that is a good 1203 plan by Jim Pottinger. He does scale drawings not ones with the hull adjusted to sail.
    So doubling up should work well on the water and be accurate as well.
    Roy

    ๐Ÿ“ what am I recent acquisition
    6 days ago by ๐Ÿ‡ฌ๐Ÿ‡ง roycv ( Admiral)
    โœง 54 Views ยท 3 Likes
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    For what it is worth this looks like a Fairmile hull with a 'freelance' top.
    Roy

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    ๐Ÿ“ Question of the Day?
    7 days ago by ๐Ÿ‡ฌ๐Ÿ‡ง roycv ( Admiral)
    โœง 43 Views ยท 2 Likes
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    I agree knowing the functions of each of the ships mentioned there was only one choice.
    Roy

    ๐Ÿ“ Question of the Day?
    10 days ago by ๐Ÿ‡ฌ๐Ÿ‡ง roycv ( Admiral)
    โœง 44 Views ยท 5 Likes
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    Hi Pat, most of us taking part in the general conversation are 70+ still active and probably had a career which we chose and liked. Most of us had many years of this and climbed a short way up the ladder of success.

    So here we are, brains in working order still involved and keeping engaged if not always active. I read of a well known author and speaker who refered to those like him and us, as 'Extreme Adults'.

    So we are the savvy ones! We are a self selected group not a cross section of society. We are not sitting watching TV we are still involved with society probably with many friends etc.

    I still lead and teach a Bridge group at 87 and interesting it is too. So with a good brain many interests and memories we are bring knowledge and odd items of interest we have seen or read about.

    Not a lot to be gained on TV these days and you should see what the Ozzies have to put up with!

    So Pat, we are going to be able to answer more questions than the average guy, argue about them and criticize them.

    I rest my case!
    Roy

    ๐Ÿ“ Question of the Day?
    11 days ago by ๐Ÿ‡ฌ๐Ÿ‡ง roycv ( Admiral)
    โœง 44 Views ยท 2 Likes
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    I remember watching a documentary on transfer of organisms in ballast water a year or so back, mainly to do with dredging the Thames estuary.
    Interesting.
    Roy

    ๐Ÿ“ Question of the Day?
    12 days ago by ๐Ÿ‡ฌ๐Ÿ‡ง roycv ( Admiral)
    โœง 46 Views ยท 2 Likes
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    That is the most stupid question ever. I looked it up!
    Roy

    ๐Ÿ“ Question of the Day?
    13 days ago by ๐Ÿ‡ฌ๐Ÿ‡ง roycv ( Admiral)
    โœง 45 Views ยท 8 Likes
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    I found this written in stone when it came down the mountain.
    "If your wife wants something done, do it now" There are so many benefits!

    You will not be nagged.
    You will have more time for your own work. i.e. no nagging time.
    Your wife will boast of your virtues.
    You will have much more admiration from your wife's friends! (dodgy one that

    There will be more tolerance for your model boats. I was even allowed to keep one on show"! Well just for 2 weeks.

    Your wife's friends husbands will ask you how you do it?
    You may start self help courses for them, perhaps at the local hostelry.

    You will live longer! This is specialised knowledge.

    On doing some research, I prefer to shop in Morrisons rather than Sainsbury's If you do not believe me check out the Birthday cards!
    Morrisons have them for age 100, Sainsbury's don't.
    Regards
    Roy

    ๐Ÿ’ฌ Re: Fitzroy Storm Glass
    13 days ago by ๐Ÿ‡ฌ๐Ÿ‡ง roycv ( Admiral)
    โœง 47 Views ยท 1 Like
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    Anything labelled Nauticalia is suspect. They flooded the market with crap model yachts knocked together in China. They fool some otherwise intelligent people as well.
    Roy

    ๐Ÿ“ Question of the Day?
    13 days ago by ๐Ÿ‡ฌ๐Ÿ‡ง roycv ( Admiral)
    โœง 42 Views ยท 2 Likes
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    Nine years and three weeks ago We were on a gondola from the Grand canal around the one-way system and singing "O solo mio".
    No that's not true as I also heard "Just one cornetto". Those b****y bridges and stairs, the pizza was good. One of the most exploited places ever!!
    Roy

    ๐Ÿ“ Question of the Day?
    13 days ago by ๐Ÿ‡ฌ๐Ÿ‡ง roycv ( Admiral)
    โœง 41 Views ยท 2 Likes
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    Hi Ed, I like it!๐Ÿ˜‚๐Ÿ˜‚๐Ÿ˜‚๐Ÿ˜‚๐Ÿ˜‚๐Ÿ˜‚๐Ÿ˜‚๐Ÿ˜‚

    ๐Ÿ’ฌ Re: Trawler
    14 days ago by ๐Ÿ‡ฌ๐Ÿ‡ง roycv ( Admiral)
    โœง 45 Views ยท 4 Likes
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    Hi if you are bringing her back to life, which is good, then do not trust any of the existing joints for glue.

    Perhaps not, in this case but I have converted 50/60, year old models from decorative to operating and the joints are dodgy.
    Good luck with the project.
    Roy

    ๐Ÿ’ฌ Re: Trawler
    15 days ago by ๐Ÿ‡ฌ๐Ÿ‡ง roycv ( Admiral)
    โœง 48 Views ยท 3 Likes
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    Hi Doogle, I see an old Taycol motor in the old kit. They were contempory at the time. I assume the i/c engine is gone now. She must have had a good turn of speed with an i/c engine!
    Roy

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    ๐Ÿ“ Question of the Day?
    15 days ago by ๐Ÿ‡ฌ๐Ÿ‡ง roycv ( Admiral)
    โœง 43 Views ยท 5 Likes
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    No idea but chose the most descripive answer.
    Roy

    ๐Ÿ“ Who has built the Mary Ann?
    16 days ago by ๐Ÿ‡ฌ๐Ÿ‡ง roycv ( Admiral)
    โœง 25 Views ยท 3 Likes
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    Hi Pete5, the last build blog in your email by a member of the Luton club is a work of art beautifully made and finished.
    After I saw the actual model I went back to mine and made a better job of it.
    Roy

    ๐Ÿ“ Big question
    16 days ago by ๐Ÿ‡ฌ๐Ÿ‡ง roycv ( Admiral)
    โœง 59 Views ยท 9 Likes
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    Confessions:-
    4 kits in their boxes.
    3 model boats in advanced state of build.
    5 models given to me in need of a good refurbishment.
    2 bought in as decorative models already converted to sail on the water, need a small finish.
    4 needing minor repair.
    11 model yachts always needing TLC after sailing.
    8 electric and one clockwork (with RC) all working but just general maintenance.

    I think I might have a Viking funeral with boat after boat setting sail with my remains.
    I would like to get my OO gauge railway running again as well.
    Roy

    ๐Ÿ’ฌ Re: Trawler
    16 days ago by ๐Ÿ‡ฌ๐Ÿ‡ง roycv ( Admiral)
    โœง 61 Views ยท 3 Likes
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    The Veron trawler goes back to the late 1950s and a bit generic rather than an accurate model. I built the Caribean Coaster about that time.

    With the large bow I would have a look through Sarik plans to see what would suit, not to buy plans but get some ideas.

    Look forward to seeing the result.
    Roy

    ๐Ÿ“ Stuffing boxes, shafts, and props (revisited)
    17 days ago by ๐Ÿ‡ฌ๐Ÿ‡ง roycv ( Admiral)
    โœง 74 Views ยท 2 Likes
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    Hi Lew if you 3D print a propellor what about the thread or do you clamp them in place?
    Roy

    ๐Ÿ“ Stuffing boxes, shafts, and props (revisited)
    17 days ago by ๐Ÿ‡ฌ๐Ÿ‡ง roycv ( Admiral)
    โœง 74 Views ยท 3 Likes
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    Many years ago a friend who was instructing on using a lathe said a stuffing box is a good item to make.

    With the screw adjustment that brought pressure onto a few winds of string and vaseline, it clamps tightly onto the rotating shaft but only for 0.5mm leaving the shaft hardly feeling the drag. Works well but not an item that would sell commercially.

    The commercial shafts and their bearings in the tube are not interchangeable. There is too much variation in the actual diameter of a 4mm shaft, or 5mm come to that.

    I recently upgraded an open frame red magnet electric motor as the shaft was sitting in a 20 gauge aluminium frame. I just used the interlocking brass tubing you can buy, which with a 5mm length and lightly oiled can make a good bearing surface.
    I accept phosphor bronze is much better but I can so easily replace the existing bushes it does not much matter.

    In commercial prop shafts it is easy to knock out the end bearings, Just pull the shaft out a bit to the other side of the bearing and hit the shaft end lightly with a hammer and they fall out.
    This way you can shorten the prop tube and then replace the bearing.

    The biggest problem is when you come to threading the shaft, I have to visit my friend with a workshop and he does it using his lathe.
    There is an additional problem as the thread cutter has a grub screw to adjust the cut and you want as tight a fit onto the prop or U/J as you can get.

    Lew sorry to go off piste a bit with bearings!
    Roy

    ๐Ÿ“ Who has built the Mary Ann?
    18 days ago by ๐Ÿ‡ฌ๐Ÿ‡ง roycv ( Admiral)
    โœง 36 Views ยท 6 Likes
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    This is not a UK registered boat as the home port registration letters would be bold on the bow and she also has a sharp pointed stern and not rounded as per the Norwegian boat Mary Ann.
    Nice picture though I think now stored elseware on my laptop.

    My newly restored Scottish western Isles fishing boat hit the water a week or so back.
    Roy

    ๐Ÿ“ Question of the Day?
    18 days ago by ๐Ÿ‡ฌ๐Ÿ‡ง roycv ( Admiral)
    โœง 47 Views ยท 3 Likes
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    A guy I knew was responsible for the update of plans for the hotels owned by the railways. Basically to put measurements into metres et. al.
    One hotel did not submit there information and he contacted them telling them it was to convert yards and feet into metres etc.

    They came back with the information that our plans are in Rods, Poles and perches! Before the Imperial system came into use.
    Roy

    ๐Ÿ“ Who has built the Mary Ann?
    19 days ago by ๐Ÿ‡ฌ๐Ÿ‡ง roycv ( Admiral)
    โœง 44 Views ยท 5 Likes
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    ๐Ÿ“ Reply
    Billing also offer the CUX 87 shrimp boat kit.
    This uses exactly the same hull as the Mary Ann. I checked the Billing identification numbers for the printed wood sheets and they are the same.
    Roy



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