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    Piscataqua river gundalow
    by tomarack πŸ‡¨πŸ‡Ώ ( Chief Petty Officer 1st Class)
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    πŸ“ Piscataqua river gundalow
    3 months ago by tomarack ( Chief Petty Officer 1st Class)
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    Piscataqua river gundalow

    Some time ago I was preparing an article for modelers who used to sail with RC sailboat models .This article was to make known the types of sailboats practically unknown in our country.
    Β On this occasion, I have practically discovered that, for example, Thames sailing barges still exist - even if they are few and increasingly costly to maintain.
    While collecting the materials, a friend lent me a book about Thames sailing barges. On the Internet I searched the site > modelbarge info < operated by Richard Chesney(sorely not functional now) . I managed to get more materials, and this eventually led me to build two models TSB¨(TSB Capricorn and TSB Gusty Cat - (Tomcat))
    Β In my archive, after many years, I pulled out a book that I received from a friend in New York >American ship models< by V.R.Grimwood > where there are many other interesting types of sailboats, but this time in the US.
    I started writing an article about really another rarity - Piscataqua River Gundalow. In this book there are other rarities, for example < Chesapeake Bay skipjack,Chesapeake Bay Bugeye, Scow schooner and more next vessels> but gundalow looked the most bizarre .. outside the shape that resembles a large surfboard (about 18 to 20 m long), so it has a Latin sail.
    More information about gundalow can be found on the web, in the above-mentioned book by V.R. Grimwood and also in the magazine> Ships in scale (11-12 1998).

    http://www.gundalow.org/wp-content/uploads/2015/05/Wooden_Bo...
    GUNDALOW - THE WORK HORSE OF THE RIVERS
    June 2008 (a short excerpt from the next article as info)
    Β The conditions in the shallow tidal basin area around Portsmouth, New Hampshire and Maine were a special case.Piscatqua River, and on its network of tributaries and the shallow Great Bay, which is seven miles upstream. The upstream towns were engaged in agriculture and manufacturing. Domestic and foreign imports arrived at Portsmouth on ships too large to navigate the Piscataqua River.. Portsmouth was their access to markets. The condition of roads at the time made them a last resort choice for transporting cargo, and not a choice at all in mud and snow seasons. Manufacturers and seasonal crop farmers needed more reliable transportation.
    The solution was a simple shallow draft vessel that could reach these growing river ports. A barge in its earliest configuration, the gundalow was poled over the shallows, rode the tide in and out of the Piscataqua, was rowed with long oars called sweeps, and later carried a large sail.The gundalows were simply built, many were little more than rafts. Some were 70 feet long and built to protect the cargo.They were not sea vessels. The sails where rigged on a short stout mast, about 12 feet above deck. The lateen sail was rigged much like the Dhows of the Red Sea and Middle East. The long boom, in some cases 70’, could easily be lowered for passing under bridges. The boom was hung on a chain from the top of the mast, about a quarter of its length from the boom’s forward end. Balanced there, the forward end was secured to the deck with block and tackle near the bow. The aft end of the boom, pivoted on the top of the mast was raised above deck at about 45 degrees.

    The Fanny M., launched from Adam’s Point in Durham, NH in 1886 by Captain Edward H. Adams, was the last gundalow to operate commercially in the area
    No gundalow has been preserved, but two replicas were built (1982 "Captain Edward H. Adams" and in 20011 - "Piscataqua")

    When I finished both models, I wondered what to do next ... so I started to build gundalow model.
    The model is approximately 1:24 scale, 90 cm long, 24 cm wide.
    .........................................................
    https://www.fishermensvoice.com/archives/0608gundalow.html
    .........................................................
    Building a Piscataqua River gundalow
    > Ships in scale /vol XI/Nr 6 1998 (november - december)
    http://www.gundalow.org/wp-content/uploads/2015/05/Wooden_Boat_Article.pdf
    πŸ”—
    https://www.fishermensvoice.com/archives/0608gundalow.html
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    πŸ’¬ Re: Piscataqua river gundalow
    3 months ago by tomarack ( Chief Petty Officer 1st Class)
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    first I drew up a plan from the book in the desired magnification. At first I thought about making a model from extruded PolyStyrene. Finally I used plywood and for the main part of the model I used a slightly modified way of building, which uses R. Chesney for its models of boats...the middle part of the model is such a box.
    Since gundalow has no keel, just a leeboard, I decided to use proven variants with a central keel (how it is at my TSB models)

    models
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    πŸ’¬ Re: Piscataqua river gundalow
    3 months ago by tomarack ( Chief Petty Officer 1st Class)
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    next steps
    I made a large yard (90cm) before. Its base is a pine beam 10x10mm reinforced at the bottom end with spruce beams 5x5 mm, grinded all the way to the conus,the yard is then fitted with 2x3 mm spruce strips at the lower end to prevent abrasion.
    I turned a short mast of beechwood.
    I already have a sail (Ripstop nylon)
    Next I glued the front and back keel, and finally the deck (3 mm poplar plywood)

    beam 10x10mm
    Ripstop
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    πŸ’¬ Re: Piscataqua river gundalow
    3 months ago by Nerys ( Commander)
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    Looking very good. Probably one of the most interesting and unusual models we've seen for a while. Well done Tomas.

    Cheers,
    Nerys

    models
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    πŸ’¬ Re: Piscataqua river gundalow
    3 months ago by tomarack ( Chief Petty Officer 1st Class)
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    Yesterday I started to glue Styrofoam blocks to the hull, today I continued.my fingers are all black from polyurethane glue.I tried to use thin gloves made of thin polyethylene, but they were more of a hindrance to my work, and then everything was dirty with glue.Now I have to wait at least until tomorrow.
    Tom
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    πŸ’¬ Re: Piscataqua river gundalow
    3 months ago by Martin555 ( Rear Admiral)
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    Hi Tomas,
    I am not normally in to sailboats but i am finding your build log interesting.
    keep up the good work.

    Martin555.
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    πŸ’¬ Re: Piscataqua river gundalow
    3 months ago by marky ( Commander)
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    Hi Tomas, I have found Black nitrile gloves very good,these are extensively used by tattoo artists and are reasonably priced for a box .
    Really nice build.
    Cheers Marky
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    πŸ’¬ Re: Piscataqua river gundalow
    3 months ago by tomarack ( Chief Petty Officer 1st Class)
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    Thanks Marky for info,I'll ask for the gloves in the drugstore.
    Today I grind roughly the hull and glued the ps into the gaps.Continuing perhaps tomorrow.
    Grinding polystyrene is an immortal experience .. preferably outdoors and in strong winds. I did it in the workshop and looked like a snowman ...

    cheers
    Tom
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    πŸ’¬ Re: Piscataqua river gundalow
    3 months ago by tomarack ( Chief Petty Officer 1st Class)
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    Today I finished sanding the hull and put a layer of putty.
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    πŸ’¬ Re: Piscataqua river gundalow
    3 months ago by tomarack ( Chief Petty Officer 1st Class)
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    next article you can find here >
    https://harvardmagazine.com/2016/05/river-runs

    https://www.fishermensvoice.com/archives/0608g
    undalow.html
    https://harvardmagazine.com/2016/05/river-runs
    πŸ”—
    https://www.fishermensvoice.com/archives/0608g
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    πŸ’¬ Re: Piscataqua river gundalow
    3 months ago by Nerys ( Commander)
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    Have read a few of the articles frpm Fisherman's Voice. Very interesting and informative. I was very interested in the Schooner Racing and Dory Fishing articles.

    Interesting article about the Gundalow too. Waiting to see your model under sail Tomas.

    Cheers,
    Nerys
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    πŸ’¬ Re: Piscataqua river gundalow
    2 months ago by tomarack ( Chief Petty Officer 1st Class)
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    No news at present..
    I am repeatedly grinding and puttying the hull of the model ..It seems to me endless work, it is still not the ideal state to paint

    cheers,
    Tom
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    πŸ’¬ Re: Piscataqua river gundalow
    2 months ago by Martin555 ( Rear Admiral)
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    I agree with you Tom to get a decent Finnish for painting seems to take forever.
    Keep going you will get there.

    Martin555.
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    πŸ’¬ Re: Piscataqua river gundalow
    2 months ago by Colin H ( Commander)
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    The only thing not In the instructions, is the amount of patience needed.
    Its the secret ingredient for success.
    And looking back over this log, it appears that you have loads.
    Keep up the good work.
    Cheers Colin.
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    πŸ’¬ Re: Piscataqua river gundalow
    2 months ago by Nerys ( Commander)
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    I think that a coat of paint, thoroughly dried, before sanding can help in achieving a good finish. If working with wood, a coat of sealer, paint or varnish raises the grain on bare wood and that needs to be sanded, recoated, sanded, often several times before a finish can be achieved.

    Nerys.
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    πŸ’¬ Re: Piscataqua river gundalow
    2 months ago by tomarack ( Chief Petty Officer 1st Class)
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    I continue with grinding and puttying.
    I need a larger layer of putty due to the rough surface of GRP and fewer inaccuracies . Putty has yelowish color and my surfacer is pure white..maybe it would be good to spray the hull in a contrasting colour, then reuse the putty and grind.Used putty hardens very slowly, after puttying have to wait at least until the next day ...
    Tom
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    πŸ’¬ Re: Piscataqua river gundalow
    2 months ago by Martin555 ( Rear Admiral)
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    Hi Tom,
    You can definitely see a massif change already.
    Keep going you are doing well.

    Martin555.
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    πŸ’¬ Re: Piscataqua river gundalow
    2 months ago by Nerys ( Commander)
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    Is there any reason why you use putty as a filler? I would have thought that a resin based filler would be more satisfactory and setting harder makes a finish easier to achieve. I know what putty is like to use, it was all we had years ago and my main use for it was the final filler on a caulked seam on a carvel built boat. Of course, I do not know what is available easily in your country, but I would have thought there was something easier to use than putty. Sorry, perhaps I'm being too critical.

    Nerys

    filler
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    πŸ’¬ Re: Piscataqua river gundalow
    2 months ago by tomarack ( Chief Petty Officer 1st Class)
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    OK,I was offered polyester putty in various modifications, I had to refuse. It smells very stiff when used, and I'm afraid I can't explain it to the people in our house.
    For puttying before lamination, I used acrylic sealant.
    I could use epoxy with a filler (fine wood sawdust) but it is too hard when used on soft ground.I used a special nitro putty to seal the hull of my second Thames sailing barge "Gusty Cat", but unfortunately it was not in the range of local drugstores... The putty I am using now is similar to Tamiya putty for plastic kits.
    Tom

    sealant
    filler
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    πŸ’¬ Re: Piscataqua river gundalow
    2 months ago by RNinMunich ( Fleet Admiral)
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    Hi Nerys
    "Is there any reason why you use putty as a filler?"
    Bear in mind that that is a Google 'translation' from Tom's original Czech!
    You have to read between the lines a bit with Tom's postsπŸ˜‰
    Products like 'Plastic Putty' also confuse the issue a bit.
    Cheers, Doug 😎

    filler
    Products
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    πŸ’¬ Re: Piscataqua river gundalow
    2 months ago by marky ( Commander)
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    If you look at Toms previous photo of the hull the tin looks a bit like appoxy filler.
    Great build Tom .
    Cheers Marky
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    πŸ’¬ Re: Piscataqua river gundalow
    2 months ago by Nerys ( Commander)
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    Sorry, I stand corrected for taking things too literally.

    Nerys
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    πŸ’¬ Re: Piscataqua river gundalow
    2 months ago by RNinMunich ( Fleet Admiral)
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    "a decent Finnish for painting seems to take forever."
    Yep, those chaps up North seem to have endless patience Martin😁
    Must be something to do with those long months with no sun!!
    😎
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    πŸ’¬ Re: Piscataqua river gundalow
    2 months ago by RNinMunich ( Fleet Admiral)
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    BTW Nerys,
    If it's any consolation - I also used Revel Plastic Putty to fix the final small blemishes on my fish cutter. Quicker and not so much waste as mixing another batch of polyester filler.😊
    Cheers, Doug 😎

    fish cutter
    Revel Plastic Putty
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    πŸ’¬ Re: Piscataqua river gundalow
    2 months ago by Nerys ( Commander)
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    As you probably realised I was thinking of traditional linseed oil putty, especially as Tomas said that it took a day to harden.

    Nerys
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    πŸ’¬ Re: Piscataqua river gundalow
    2 months ago by Rookysailor ( Lieutenant)
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    I also use Revell plastic putty Doug, but have you ever tried Squadron Green or white putty/filler? a little expensive, but easy to use.😐

    Cheers, Pete
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    πŸ’¬ Re: Piscataqua river gundalow
    2 months ago by tomarack ( Chief Petty Officer 1st Class)
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    Hi,
    putty that I use is probably some synthetics, destined for synthetic colors, no linseed putty.
    I tried to spray the hull for another grinding, and I got quite angry. It was supposed to be reddish brown (RAL 3002), but there was some raspberry color in the spray.The original color should be "Indian Red", but I didn't find anything like that in RAL. I tried to compare the color of the hull "Piscataqua" on the net with the RAL sampler on the net. (due to similar color distortion on the monitor). I got RAL 3002.(see sample)..you can compare ..
    Then I saw another sampler - probably it should be RAL 3009 (3011)..
    Tom

    monitor
    sampler
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    πŸ’¬ Re: Piscataqua river gundalow
    2 months ago by marky ( Commander)
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    It might have been a bit darker if a red primer or Black primer had been used .
    Cheers Marky.
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    πŸ’¬ Re: Piscataqua river gundalow
    2 months ago by tomarack ( Chief Petty Officer 1st Class)
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    Hi,
    I'll try to buy reddish-brown tomorrow.
    I grinded the hull, then sprayed the red paint, grinding, putty again, grinding and spraying now gray paint as primer.. I still need ammonia to soften the wooden beams designed as a low rail at the edge of the deck.
    I also prepare plywood for a new light fin for gundalow (about 850 grams)
    Cheers
    Tom
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    πŸ’¬ Re: Piscataqua river gundalow
    2 months ago by Martin555 ( Rear Admiral)
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    Hi Tom,
    It is definitely a lot of hard work but it will be worth it in the end.
    You are getting there keep up the good work.

    Martin555.
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    πŸ’¬ Re: Piscataqua river gundalow
    2 months ago by tomarack ( Chief Petty Officer 1st Class)
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    well .. it is not an ideal condition, but even in the night I grind in my dreams ..
    Tom
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    πŸ’¬ Re: Piscataqua river gundalow
    2 months ago by Martin555 ( Rear Admiral)
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    Hi Tom,
    It won't be long now and you will be able to have sweet dreams again.

    Martin555.
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    πŸ’¬ Re: Piscataqua river gundalow
    2 months ago by tomarack ( Chief Petty Officer 1st Class)
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    Hi,
    some next words about Piscataqua gundalow you can find here => http://www.gundalow.org/about-us/what-is-a-gundalow/

    Today I visited another store and chose a suitable shade of color for the model hull.
    When I came home, I found out that I bought the same color, but from another manufacturer. I got angry and finally tried to spray the RAL 3003 on the model on a gray background. It's not such a raspberry color as before , but a little darker .. ruby shade. Other colorΒ  I won't buy anymore. .. now I have red color for at least 5 models -digital camera did not take the right shade again, in fact it is at least half darker..

    Tom
    http://www.gundalow.org/about-us/what-is-a-gundalow/
    πŸ”—

    camera
    RAL 3003
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    πŸ’¬ Re: Piscataqua river gundalow
    2 months ago by tomarack ( Chief Petty Officer 1st Class)
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    Hi,
    yesterday I glued spruce beams 2x10 aboard.
    I thought I'd simplify my work when I trim already glued beams, but it looks like I'm going to have work even more. Now the next step will be to paint the deck with epoxy-
    I had to glue a few beams again today and then cut off the overlapping bits.more or less I'm ready to paint the deck with epoxy (partially diluted with acetone) for better wood saturation by epoxy .
    Tom
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    πŸ’¬ Re: Piscataqua river gundalow
    2 months ago by tomarack ( Chief Petty Officer 1st Class)
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    Hi,
    today I sanded the edge of the deck and painted the deck with diluted epoxy. Now I have to wait until the resin solidifies. I painted with epoxy also fin from plywood 6mm and plywood "skeleton" superstructure.
    greetings
    Tom
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    πŸ’¬ Re: Piscataqua river gundalow
    2 months ago by Martin555 ( Rear Admiral)
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    Hi Tom,
    That is really looking nice now.
    You are doing a fantastic job.
    well done.

    Martin555.
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    πŸ’¬ Re: Piscataqua river gundalow
    2 months ago by Nerys ( Commander)
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    I've been looking at pictures and reading about these craft in various publications and on line. They are certainly very interesting like many other traditional American sailing craft. It's going to be most interesting to see how your completed model sails.

    Cheers, Nerys
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    πŸ’¬ Re: Piscataqua river gundalow
    2 months ago by tomarack ( Chief Petty Officer 1st Class)
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    Hi,
    I'm also curious about how the model will sail. Against the Thames barges, the gundalow of the same size has maybe a smaller sail area. On the other hand, she has the advantage (in my opinion) of better aerodynamics of the Latin sail. I'm not the first one to built model gundalow, but I've never seen such a floating and radio-controlled model.
    Today I glued coamings and put on the deck another epoxy layer.
    Against the barges where the cargo was carried in the hold, gundalows carried cargo on board. The deck could to be asphalted over to prevent damage from deck loads (e.g. coal)that that had to be moved with shovels. Because I need easier access to the hull of the model, I decided to make a classic cargo space design like a barge but with the difference that it will be camouflaged as a load of wood ...
    Greetings
    Tom

    shovels
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    πŸ’¬ Re: Piscataqua river gundalow
    2 months ago by Nerys ( Commander)
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    At least you will be able to compare the sailing abilities of the Gundalow with your two beautifully built Thames Barges. The Lateen is a very powerful sail with a lot of lift, but the barge's rig is very efficient with proportionally a lot more sail area and there is a huge amount of power in the topsail. Interesting comparisons. My bet is on the barge, but I'm prejudiced.

    Cheers, Nerys.
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    πŸ’¬ Re: Piscataqua river gundalow
    1 month ago by tomarack ( Chief Petty Officer 1st Class)
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    Hi,
    today I made steering stand. Somehow I misjudged the height of trestles,( the rudder axis is too oblique) in the worst case I have to make a new stand ..

    Well - today I tried it again, everything is ok, on the model is the axis of the rudder horizontal.
    UFF ...

    Tom
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    πŸ’¬ Re: Piscataqua river gundalow
    30 days ago by tomarack ( Chief Petty Officer 1st Class)
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    Hi,
    today I finished other parts - helm stand, cab and main hatch cover, disguised as a load of boards, covered with tarpaulin(These ships usually had a flat deck to carry cargo. One of the reasons could be that the hull was not tight enough, and water leaked into it. Especially when the ship was carrying more cargo and had a greater draft than usual, and at the hull plank were dry and leaking..). I still have to finish some details on board (low bulwarks before all) and then mount the engine, rudder, and electronics... and plenty of next details ..

    > PF 2020 <

    greetings
    Tom
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    πŸ’¬ Re: Piscataqua river gundalow
    30 days ago by marky ( Commander)
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    Looking Good Tom .
    Cheers Marky
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    πŸ’¬ Re: Piscataqua river gundalow
    30 days ago by Martin555 ( Rear Admiral)
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    Very nice Tom.
    Keep up the good work.

    Martin555.
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    πŸ’¬ Re: Piscataqua river gundalow
    7 days ago by tomarack ( Chief Petty Officer 1st Class)
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    Hi gents,
    recently I have advanced a bit.

    the next step was to produce a low railing (bulwarks) around the deck. I used spruce beams 5x5 mm, but I had to cut and bend them first in the template. In order to bend these beams, I soaked them in 40% ammonia water. After 24 hours, the timber was sufficiently soft.,
    I used a piece of plastic water pipe for wetting the beams, and I used wine corks for closures.
    After inserting the beams (outside the house) I poured ammonia water and closed the pipe.
    The next day I pulled the beams (again outside the house), then rinsed in the water and let them air. It was quite a powerful experience. Till to the next day I left the beams soaked in clean water only - then they could be worked in the workshop. So I gave it to a template.
    Β After drying the beams I gradually attached them to the edge of the deck, where the already had the middle part of the straight beams.
    In this middle section, before glueing, I made holes to drain water from the deck.
    Today I grinded the bulwark a little and applied putty. .. Again grinding and puttying await me.
    In principle, I can say that I have a rough construction finished....
    Β 
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    πŸ’¬ Re: Piscataqua river gundalow
    7 days ago by marky ( Commander)
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    Very nice Tom ,the ammonia will have kept your head nice and clear .
    Cheers MarkyπŸ‘
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    πŸ’¬ Re: Piscataqua river gundalow
    7 days ago by Nerys ( Commander)
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    You are making a lovely job of your gundalow Tomas and really coming on well. I'm sure you are beginning to see an end to your labours and are looking forward to the great day when you launch her and see her under sail. I think we are all looking forward to that.

    Nerys
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    πŸ’¬ Re: Piscataqua river gundalow
    6 days ago by tomarack ( Chief Petty Officer 1st Class)
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    Hi ya,
    Marky -it's a very strong smell, so I don't have to have a directly clear head...once ammonia was used here to revive - when someone fainted..
    Nerys--you're 100% right, but I'm still grinding and applying putty.
    in the meantime, I'll do the details, the leeboard is ready for spraying, I just glued the fittings . Imitation of rivets I do in the holder.
    The cog wheel is actually a feed wheel for punched tape in old computers. It has a suitable spacing of 3 mm and the teeth have a suitable circular cross-section. I also have a mast prepared with a chain for the yard; I have pulleys for brails on it. The mast will be pulled out together with yard during transport.
    Tom
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    πŸ’¬ Re: Piscataqua river gundalow
    6 days ago by marky ( Commander)
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    Great idea for doing the rivets .πŸ‘
    Looking Good .
    Cheers Marky
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    πŸ’¬ Re: Piscataqua river gundalow
    5 days ago by tomarack ( Chief Petty Officer 1st Class)
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    Hi,
    This method is mainly used by modelers who build plastic model kits of aircraft. Here this is a somewhat modified method where you need to see the heads of the rivets. As far as I have seen, a number of ship modelers also use it, especially in imitation of rivets on copper plating on old sailboat models (e.g. HMS Victory).
    Greetings!
    Tom
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    πŸ’¬ Re: Piscataqua river gundalow
    2 days ago by tomarack ( Chief Petty Officer 1st Class)
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    Hiya,
    still puttying and grinding.
    I have a fin ready to complete with lead halves of last light lead bomb .
    Fin will have to be put together again and lightly grinded, then glued half of the load and on it I apply a layer of Epoxy reinforced with glass fibres .
    Meanwhile, I fixed the sail to the yard. / length = 90 cm/.
    Hopefully, I will be able to grind for the last time tomorrow.
    Greetings
    Tom
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    πŸ’¬ Re: Piscataqua river gundalow
    2 days ago by Martin555 ( Rear Admiral)
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    Keep up the good work Tom.

    Martin555.
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    πŸ’¬ Re: Piscataqua river gundalow
    5 hours ago by CaptLarry ( Petty Officer 1st Class)
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    Your scratch build of the Lateen rigged barge is an outstanding accomplishment!
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