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    Steam Drifter. Formidable LT100.
    by stevedownunder πŸ‡¦πŸ‡Ί ( Master Seaman)
    πŸ“£










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    4 Posts 15 Comments 0 Photos 15 Likes
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    πŸ“ Steam engine.
    21 days ago by stevedownunder ( Master Seaman)
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    Plans were purchased for a Β½ inch bore Β½ inch stroke, twin cylinder double acting oscillating steam engine designed by Basil Harley, published by Model Maker plans service. Probably first printed in July 1983, I have the August 1983 Model Boats with part 2 in a series of articles to build the engine and boiler along with a 42” long steam launch.
    I have deviated from the original plans by making a solid crank, using cast iron for the steam chest also making the bearings heavier and changing how the cylinders are pushed onto the steam chest, this can be seen by comparing old to latest photo's in the old photo (Left photo) there is no white lagging (Teflon) around the cylinders, latest photo's have lagging and the new method of pushing cylinders onto the steam chest.

    Model Boats
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    πŸ’¬ Re: Steam engine.
    21 days ago by GaryLC ( Petty Officer 1st Class)
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    I am pleased to hear you are doing a building blog, and even more so in the fact it will be steam powered. Both myself and plenty of others will be monitoring your progress with interest, and I wouldn't worry about the time factor as it takes as long as it takes, and it's as simple as that. I think your Formidable LT100 has inspired me enough to buy the John Hemmings version of the same, despite the fact it is rather expensive. you are an inspiration young man enjoy your build, I think I can safely say that as everyone is younger than me. Regards, Gary.

    version
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    πŸ’¬ Re: Steam engine.
    20 days ago by stevedownunder ( Master Seaman)
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    Hi Gary,
    Thank you for your encouragement.
    From what I can see John Hemmings kit is very expensive, though very nice, would you go for the GRP or wood hull?
    Would you use a Hemmings steam plant or build your own?
    Cheers,
    Stephen.

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    πŸ’¬ Re: Steam engine.
    19 days ago by GaryLC ( Petty Officer 1st Class)
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    Hi Stephen, and P on F verses Fibre-glass is a bit of a quandary, it is the sense of achievement factor completing a plank on frame hull, versus the time factor of installing a steam engine straight into a completed ready painted hull. As my present build has taken more than three years, because I opted to also rebuild a 1960s motorbike at the same time. I think the Fibre-glass hull is the right way to go as I do enjoy the steam engine installation, and that will be my starting point. I have a 9/16" bore twin slide valve in mind as a very efficient engine, as this is a 48" hull I hope I can manage the weight of the completed boat. Regards.

    Fibre-glass
    verses
    motorbike
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    πŸ“ Blog notes.
    21 days ago by stevedownunder ( Master Seaman)
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    I would like to start by saying that this series of blogs will not always be updated in rapid succession, I will do what I can when I can..
    I would also like to say thank you for all the likes and comments I haven't been able to respond to all of them, mainly due to my lack of understanding and experience with blogs in general.
    I will try to respond to comments where possible.
    Thank you again for the interest in my model.
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    πŸ“ Work boat
    23 days ago by stevedownunder ( Master Seaman)
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    Having no experience building a properly planked hull, I decided to construct the work boat first, my reasoning being if I can build a clinker built boat to the standard I am looking for then the rest should be achievable.
    Armed with Harold Underhill's Plank on Frame models volume 2. I built a building board following Harold's instruction's, after a lot of headaches making templates, planks were cut from Huon pine a very fine grained pine only found in Tasmania having a special quality of not rotting when under water and having been used to build real boats. These planks were attached with fine bamboo pins and super glued. Once removed from the jig ribs, thwarts, knees and floor boards installed. Oars were made up along with crutches fabricated using brass wire and fine chain, silver soldered together.

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    πŸ’¬ Re: Work boat
    23 days ago by GaryLC ( Petty Officer 1st Class)
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    Incredible workmanship Steve, and a beautiful end result, when you attach this to the back end of Formidable LT100 make sure it is the right way up and don't fit a cover. How goes the steam plant installation into the hull? Be on the safe side and fit a gas cut off from Clevedon Steam, and an attenuator valve to save you both gas and water, check out Microcosm China. (A gas control valve working off boiler pressure.) Regards, Gary.
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    πŸ’¬ Re: Work boat
    22 days ago by stevedownunder ( Master Seaman)
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    Hi Gary,
    I hope this reaches you, I am not sure of the mechanics of returning a comment on the build blog.
    Yes work boat cover may be folded in boat with other gear.
    Steam plant installation is going slowly,yes I will make a gas shutoff valve, at present I am not fitting an attenuator valve at this stage, though the flame will be controlled by a servo controlled metering valve yet to be built. I am not sure how an attenuator valve would go with a mono-tube or flash steam boiler. I have purchased a gas regulator from Microcosm to give me a hopfully stable gas pressure.
    Cheers,
    Stephen.

    gear
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    πŸ’¬ Re: Work boat
    22 days ago by Lordgord ( Leading Seaman)
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    Holy-moly! that's great work. Iv'e recently had my first go at a plank on frame, a clinker built "Nantucket" whaleboat, I got it completed, including harpoons, lances, oars etc. but never did make and fit the the knees as we were packing to move home. Thanks to your post, I am now inspired to return to the build and finish it properly πŸ‘
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    πŸ’¬ Re: Work boat
    21 days ago by stevedownunder ( Master Seaman)
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    Hi Lordgord,
    I am very happy to hear that you feel inspired to finish your whaleboat, maybe you could post some photo's later.
    Cheers,
    Stephen.
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    πŸ’¬ Re: Work boat
    17 days ago by Lordgord ( Leading Seaman)
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    πŸ‘Hi Stephen,
    Here goes with my attempt at posting pics of my whaleboat (sans knees)
    That seemed to go well enough, maybe I shall post more pics of my models in the future!

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    πŸ’¬ Re: Work boat
    17 days ago by stevedownunder ( Master Seaman)
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    Hi Lordgord,

    Your whaleboat looks great to me.
    Good to hear you have got to grips with posting photo's, I am still coming to terms with the mechanics of this site.
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    πŸ“ Steam Drifter. Formidable LT100.
    26 days ago by stevedownunder ( Master Seaman)
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    Subject; Wooden Steam Drifter Trawler, Formidable LT100.
    Goal; Scratch build a working model to a high standard, to prove that I can do it.
    Essential items; Open ended project time frame, Plans from John Pottinger, enlarged to 1:24th scale, books, Ted Frost's Tree to Sea, Harold Underhill's Plank-on-frame models volume's 1&2.
    Required items; (not all necessary) Insulated workshop,comfortable chair, plenty of powered and non-powered tools.

    Wooden Steam Drifter Trawler
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    πŸ’¬ Re: Steam Drifter. Formidable LT100.
    23 days ago by GaryLC ( Petty Officer 1st Class)
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    Hi Steve, I can't get over that hull with its ultra-thin strakes, it has to be the best plank on frame build ever, incredible workmanship and patience. I love its canoe like quality. Regards, Gary.
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    πŸ’¬ Re: Steam Drifter. Formidable LT100.
    22 days ago by Cashrc ( Leading Seaman)
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    This is something I would like to work towards one day. Beautiful work sir, can’t wait to see her afloatπŸ‘
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    πŸ’¬ Re: Steam Drifter. Formidable LT100.
    22 days ago by stevedownunder ( Master Seaman)
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    Hi Cashrc,
    Thanks for your like, there will be more stuff to come, I hope you enjoy.
    Cheers,
    Stephen.
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    πŸ’¬ Re: Steam Drifter. Formidable LT100.
    18 days ago by Gravedigger47 ( Leading Seaman)
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    I would like to see details of the small row boat also plans if possπŸ‘
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    πŸ’¬ Re: Steam Drifter. Formidable LT100.
    17 days ago by stevedownunder ( Master Seaman)
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    Hi Gravedigger47,
    What sort of details would you like to see?
    I can take a photo of that section of the plans, i will post that tomorrow.
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    πŸ’¬ Re: Steam Drifter. Formidable LT100.
    16 days ago by stevedownunder ( Master Seaman)
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    Hi Gravedigger47,
    Here is a couple of photo's of the appropriate section's of the drawings. There was a fair bit of artistic license taken in my interpretation, as you can see some things were left off, for example there is something attached to the transom, port side I couldn't work out what it was so i left it off, also grab ropes indicated on the general arrangement drawing, more like what you would see on a life boat, were left off.
    If someone can correct me on these points I would welcome it.
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