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    Model Boats Website
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    Rowen
    Member Stats
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    Member No.#2935
    Registered๐Ÿ“…27th Jun 2014
    Last Online๐Ÿ“…1st Jul 2022
    City๐Ÿ“Ancaster
    Country๐Ÿ‡จ๐Ÿ‡ฆCanada
    Genderโ™‚๏ธMale
    Age๐Ÿ‘ถNot Provided
    Posts๐Ÿ’ฌ631
    Followers๐Ÿ“ฃ4
    Likes Received๐Ÿ‘1271

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    ๐Ÿ‡บ๐Ÿ‡ธ pressonreguardless ( Sub-Lieutenant)
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    ๐Ÿ‡ฌ๐Ÿ‡ง Rogal118 ( Warrant Officer)
    4 Followers
    Recent Activity
    Liked COUPLINGS 17 hours ago
    Liked Lead acid to lipo 2 days ago
    Liked Mini R/C African Queen at Hamilton steam museum 1 month ago
    Commander
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    Recent Posts
    ๐Ÿ“ COUPLINGS
    18 hours ago by Rowen ( Commander)
    Flag
    Thanks JB, suspected it might have been you.
    Am pleased it worked out. The idea is a good one and one I might pinch for a future project.
    Thanks again.
    Rowen
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    ๐Ÿ‘€ 33 Views
    ๐Ÿ“ COUPLINGS
    21 hours ago by Rowen ( Commander)
    Flag
    Some time ago was in contact with a member about couplings.
    Think it might have been jbkiwi , but not sure.
    Anyway, they were hoping to try plastic tubing fitted over the splined hub of standard prop shaft fitting.
    Never heard anymore- was this successful?
    Thanks
    Rowen
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    ๐Ÿ‘€ 41 Views
    ๐Ÿ“ Lead acid to lipo
    4 days ago by Rowen ( Commander)
    Flag
    Roger,
    Think all should be well, a LIPO battery with a LIPO adjusted ESC.
    Problem you will have, unless the Orca crew want to waterski, it will be vastly overpowered!
    3S is around 12 v against the 6 needed.
    Be better with a 2S rather than 3 as that is only 7.4v.
    Certainly be entertaining!
    I have modified my fleet using XT60 connectors and can change batteries around. Makes experimenting with different LIPOs easy.
    Best Rowen
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    ๐Ÿ‘€ 71 Views
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    ๐Ÿ“ Underwater decoration
    9 days ago by Rowen ( Commander)
    Flag
    I always use locktite and a lock nut. Along with a thrust washer between the nut and the shaft end.
    Works for me!
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    ๐Ÿ‘€ 52 Views
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    ๐Ÿ’ฌ Re: Swedish combat boat
    9 days ago by Rowen ( Commander)
    Flag
    Certainly did! Getting some drawings printed so can see.
    Think it can work out well
    ๐Ÿ‘ Like
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    ๐Ÿ‘€ 138 Views
    ๐Ÿ’ฌ Re: Swedish combat boat
    10 days ago by Rowen ( Commander)
    Flag
    Since jbkiwi posted the video have been researching this vessel as a future project.
    There is quite a lot of information available on the web, including small drawings. Enough that a model of around 30" can be planned.
    There are also several other vessels made by this company using the CB90 hull. Some, such as the Interceptor 16 are quite attractive.
    Food for though....
    ๐Ÿ‘ Like
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    ๐Ÿ‘€ 141 Views
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    ๐Ÿ’ฌ Re: 2022 Parade of Boats fireboat video
    17 days ago by Rowen ( Commander)
    Flag
    Very interesting - has anybody any plans or even good pictures
    ๐Ÿ‘ Like
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    ๐Ÿ‘€ 180 Views
    ๐Ÿ’ฌ Re: RN. DARK CLASS
    18 days ago by Rowen ( Commander)
    Flag
    Cannot recall the exact reason for choosing Wahine to model.
    She was a very pretty ship and also built in the UK.
    My friend is a meticulous modeler and vessel is a credit to him.
    Has both bow and stern thrusters and a bow rudder.
    He did write a article for Model Boats International when it was still available.
    ๐Ÿ‘ Like
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    ๐Ÿ‘€ 199 Views
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    ๐Ÿ’ฌ Re: RN. DARK CLASS
    18 days ago by Rowen ( Commander)
    Flag
    Thanks.
    Correct on the Wahine. A friend of mine scratch built built a great model of her.
    Not only does it look well it also sails well to.
    Rowen
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    ๐Ÿ‘€ 200 Views
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    ๐Ÿ“ RN. DARK CLASS
    19 days ago by Rowen ( Commander)
    Flag
    View Video
    Video of my recent winter project, a RN Dark Class FPB.
    Model RN DARK CLASS
    โ–ถ๏ธ
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    ๐Ÿ‘€ 212 Views
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    ๐Ÿ“ motor for vosper mtb 1/35 scale
    20 days ago by Rowen ( Commander)
    Flag
    Built a similar vessel. my RAF RTTL 2762E.
    The blog is in the library. Also built a triple screw HMS BRAVE BORDERER.
    That blog is also in the library and is a litany of trials and tribulations.
    They might give some background and guidance.
    ๐Ÿ‘ Like
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    ๐Ÿ‘€ 61 Views
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    ๐Ÿ“ H.M.S.SCIMITAR FTB
    1 month ago by Rowen ( Commander)
    Flag
    View Video
    Maiden voyage
    H.M.S.SCIMITAR P251 FTB
    โ–ถ๏ธ
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    ๐Ÿ‘€ 225 Views
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    ๐Ÿ“ H.M.S.SCIMITAR FTB
    1 month ago by Rowen ( Commander)
    Flag
    Model was finished some time ago, but as there were no unusual problems during assembly or finishing did not update this blog.

    Due to the small size of the model was able to test ballast and batteries in our laundry sink. To try to minimize the battery weight obtained a small 2S 1000 mAh battery.
    Was unsure how long this would last, but as it helped bring the waterline up thought worth a try.

    Much to my relief the model performed well. Slightly faster than scale would guess, with in excess of 20 minutes running.

    Have uploaded a video on the media section, which shows it nicely.
    Decided this model has worked out well and was an enjoyable build.
    Quite challenging trying to minimize weight yet retain the scale appearance and performance.
    ๐Ÿ‘ Like
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    ๐Ÿ‘€ 38 Views
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    ๐Ÿ“ Help finding SLA alternatives.
    2 months ago by Rowen ( Commander)
    Flag
    Great! Only suggestion is to n use an XT60 or Deans style connector.
    The Tamiya type are trouble
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    ๐Ÿ‘€ 41 Views
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    ๐Ÿ“ York Model Boat Club Regatta
    2 months ago by Rowen ( Commander)
    Flag
    Any pictures Mike?
    R
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    ๐Ÿ‘€ 44 Views
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    ๐Ÿ“ H.Sw.M.S Visby Class
    2 months ago by Rowen ( Commander)
    Flag
    View Video
    Another video that shows the waterjet action more clearly
    H Sw M S Visby Class APRIL 2022
    โ–ถ๏ธ
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    ๐Ÿ‘€ 254 Views
    ๐Ÿ’ฌ Re: No Name boat
    2 months ago by Rowen ( Commander)
    Flag
    Thanks Garth.
    Have just caught up with the last blog update.
    Good video, shows the model off and my lack of familiarity with waterjets!
    ๐Ÿ‘ Like
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    ๐Ÿ‘€ 261 Views
    ๐Ÿ“ H.Sw.M.S.Visby
    2 months ago by Rowen ( Commander)
    Flag
    Have reached a point where can conclude this yearโ€™s test program. This will allow building to restart next winter.

    Points are:

    1) Installed a 2S cell, which proves to be more than adequate. The model is controllable and has adequate speed, sufficient to produce an excessive bow wave.
    2) Had spent some time trying to locate and resolve leaks. This has been successful and leakage, whilst still exceeding conventional vessels, is not unreasonable.
    3) The audible water leak detector was effective, but irritating. Once the bilge pump had removed any water, it stayed on until the hull had dried. Am going to replace buzzer with flashing lights. I can then see when water builds up, but others do not hear it. Not so obtrusive.
    4) Cooling system works.

    Have tried and adjusted every system, and am satisfied they work properly.
    A boating buddy, Garth took a video which has just been posted in the Media Gallery. It shows the model in action. It also shows my lack of dexterity with waterjets and reverse bucket selection. And, in this installation, their rapid response.
    Model now drying out in storage until winter. Obviously last blog for a while.
    Can now concentrate on sailing other models rather than building!
    ๐Ÿ‘ Like
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    ๐Ÿ“ BLUEBIRD K7
    2 months ago by Rowen ( Commander)
    Flag
    It is.
    A picture, memory, anecdote or something quite small gets you launched on a totally new endeavour.
    As my thoughts on the Bluebird mature will be in touch.
    Rowen
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    ๐Ÿ“ BLUEBIRD K7
    2 months ago by Rowen ( Commander)
    Flag
    Thanks John.
    That drawing is what I need to think this out.
    Rowen
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    ๐Ÿ‘€ 63 Views
    ๐Ÿ“ BLUEBIRD K7
    2 months ago by Rowen ( Commander)
    Flag
    Thanks Doug, very helpful, as usual.
    I had seen the article and it perked my interest.
    Am going to investigate further, think the model has some potential. No urgency as my Visby class needs much further work to finish anyway.
    Need to find some scale drawings and can then design something close to scale. Am also cogitating on the various construction techniques as wondering if could make up a upper hull buck, then shape thin styrene around it.
    Food for thought!
    Thanks again, long past your bedtime in Munich.
    Best Rowen
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    ๐Ÿ‘€ 63 Views
    ๐Ÿ“ BLUEBIRD K7
    2 months ago by Rowen ( Commander)
    Flag
    Thanks Doug, very helpful, as usual.
    I had seen the article and it perked my interest.
    Am going to investigate further, think the model has some potential. No urgency as my Visby class needs much further work to finish anyway.
    Need to find some scale drawings and can then design something close to scale. Am also cogitating on the various construction techniques as wondering if could make up a upper hull buck, then shape thin styrene around it.
    Food for thought!
    Thanks again, long past your bedtime in Munich.
    Best Rowen
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    ๐Ÿ‘€ 80 Views
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    ๐Ÿ“ BLUEBIRD K7
    2 months ago by Rowen ( Commander)
    Flag
    Thanks Chris.
    Am in touch with Ashley and the article is in the last months MB magazine. Am trying to find a copy.
    As I want to build to scale, think will also buy the plans so by combining the best of both sources think can make up a viable project.
    Rowen
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    ๐Ÿ‘€ 84 Views
    ๐Ÿ“ BLUEBIRD K7
    2 months ago by Rowen ( Commander)
    Flag
    Thanks Chris, will do.
    Rowen
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    ๐Ÿ‘€ 88 Views
    ๐Ÿ“ BLUEBIRD K7
    2 months ago by Rowen ( Commander)
    Flag
    Thinking of building a scale, working model of the above hydroplane using a Electric ducted fan.
    This would be my first foray into this type of model. Has anybody else tried it and what would be your recommendations?
    Am also looking for plans if anybody knows a source.
    Thanks
    Rowen
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    ๐Ÿ‘€ 87 Views
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    ๐Ÿ’ฌ Re: Jervis Bay
    3 months ago by Rowen ( Commander)
    Flag
    Thanks Doug, nice to read the full story
    Rowen
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    ๐Ÿ‘€ 65 Views
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    ๐Ÿ’ฌ Re: Jervis Bay
    3 months ago by Rowen ( Commander)
    Flag
    Very much so. The other vessel involved was the C.P. cargo ship Beaverford. She was lost in the same endeavour but never got the recognition.
    ๐Ÿ‘ Like
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    ๐Ÿ‘€ 70 Views
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    ๐Ÿ’ฌ Re: H.Sw.M.S Visby
    3 months ago by Rowen ( Commander)
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    Thanks JB,
    Have the three position switch on my Tx, but cannot see it doing much.
    The jet is essentially "through flow" when deselected and then, when reversed, a flap obscures the forward flow and redirects it through an aperture in the underside of the body. This reverses the flow.
    Steering is by rotating the nozzle. The functions appear to reflect those on the KaWeMa ones originally fitted.
    Rotating the nozzles using the Tx "rudder" function and reversing the flows using a single throw switch. This is ganged to operate two servos, one per nozzle.
    Did consider using a three position switch or a rotary one, but did not see any advantage.
    Rowen
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    ๐Ÿ‘€ 54 Views
    ๐Ÿ“ H.Sw.M.S Visby
    3 months ago by Rowen ( Commander)
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    Beautiful sunny day with a strong onshore breeze. Considered the model would drift inshore if it failed, so decided to try it.
    The water surface was too rough to accurately establish if the ballast changes were correct, but if not they seem close.

    The waterjets work well. Plan to try a 2S battery next time, as think 3S tends to overpower.
    Rough water made it difficult to examine the waterjet action. There is plenty of power and the bow wave, even on one jet, is higher than scale.

    The foredeck was loose fitting, allowing considerable water ingress.
    Had adopted the suggestion from another modeler to fit a coffer dam ahead of the jets. This contains jet leakage in the stern area where it can be drained by the bilge pump.
    However, water splashed under the foredeck collecting in the hull forward of the dam, into an area where the pump does not reach.
    Was surprised just how much water had collected in the forward hull, significantly affecting the waterline.

    Also, could not confirm if the impellor rotation was correct. I like to use the Tx โ€Elevonโ€ steering function, although this tends to disguise the rotation commands. Determining rotation even when the propellers can be seen is rotating is misleading, when hidden it becomes even difficult.
    Tried adjusting the Tx functions, but the wind and waves obscured the effect. Back on the bench determined one was reversed. Now corrected.

    Would like to retain the convenience of Elevon control where both screws are controlled by one Tx lever. Wondering though if it would be better to control waterjets by the more traditional twin lever set-up. Planning the next test to explore this.

    One problem with waterjets is that there is minimal reverse function. Reverse is usually achieved by redirecting the flow using a reverser bucket.
    Also, the control reaction to reverse the model with the lever does not work. Trying to think of a way to overcome this.
    Currently, the reverse bucket needs selecting first and then motor forward again. No longer intuitive. With practice this might become easier to remember, hope so.
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    ๐Ÿ‘€ 65 Views
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    ๐Ÿ“ D class Dog Boat
    3 months ago by Rowen ( Commander)
    Flag
    Think once it using the water and under load it will probably quieten further
    Good luck
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    ๐Ÿ‘€ 43 Views
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