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    US1 meter, lockdown build #4.......
    by Joe727 πŸ‡ΊπŸ‡Έ ( Lieutenant Commander)
    πŸ“£










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    πŸ“ US1M - Removed from building board
    2 days ago by Joe727 ( Lieutenant Commander)
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    Hull has been removed from the building board. Working on rudder support, keel and mast steps.
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    πŸ“ US1M Build - Fiberglassing Hull
    5 days ago by Joe727 ( Lieutenant Commander)
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    Glassed the hull using the very light .75oz cloth. Using West Systems 105/206, I was able to get the initial coat plus a 2nd resin coat done during the same day.

    Next, I plan to cut the stern to create a reverse rake transom. In addition, I am debating the deck design - flat vs curved vs combination of both. Since I have time I may have some fun with it and add some complexity.

    Stay safe.
    Joe 😎
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    πŸ’¬ Re: US1M Build - Fiberglassing Hull
    2 days ago by figtree7nts ( Vice Admiral)
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    Hi Joe,

    I just wanted to say that.
    I admire a man that can work with wood as you do!
    Your boats turn out fantastic!

    And I will keep on reading your blog!
    As it is really interesting!


    Regards, Ed
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    πŸ’¬ Re: US1M Build - Fiberglassing Hull
    1 day ago by RNinMunich ( Fleet Admiral)
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    I'll second that Ed.
    Good stuff JoeπŸ‘
    Enjoy your debate. looking forward to the outcome.
    Cheers, Doug 😎
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    πŸ’¬ Re: US1M Build - Fiberglassing Hull
    1 day ago by jbkiwi ( Vice Admiral)
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    Nice job Joe, something very satisfying about glassing a hull!
    JB
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    πŸ’¬ Re: US1M Build - Fiberglassing Hull
    21 hours ago by Joe727 ( Lieutenant Commander)
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    Ed,
    Thanks for the kind words, I appreciate your interest. Glad that we all have this hobby to keep us busy during these times!

    Good luck with that 3d printer!
    Joe 😎
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    πŸ’¬ Re: US1M Build - Fiberglassing Hull
    21 hours ago by Joe727 ( Lieutenant Commander)
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    Thanks JB!
    It's always a bit of a challenge when pulling a boat off the building board, this went well.
    Thanks for your interest.
    Joe 😎
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    πŸ’¬ Re: US1M Build - Fiberglassing Hull
    21 hours ago by Joe727 ( Lieutenant Commander)
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    Doug,
    " Enjoy your debate. looking forward to the outcome."

    Okay Doug you got me! What debate? πŸ™‰

    Joe
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    πŸ’¬ Re: US1M Build - Fiberglassing Hull
    20 hours ago by RNinMunich ( Fleet Admiral)
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    He He!😁
    The one you are having with yourself about the deck design Joe.
    At least you are in a win-win situation debating with yourselfπŸ˜‰
    Hmm! Or is that a Lose-Lose?πŸ€”
    Hope it turns out all right for one of you!
    Doug😎
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    πŸ’¬ Re: US1M Build - Fiberglassing Hull
    20 hours ago by Joe727 ( Lieutenant Commander)
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    Doug,
    You are so right! THAT debate has been raging for 4 days.....to compound curve or not to curve.....some flat, some compound? πŸ€•

    Joe 😎
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    πŸ’¬ Re: US1M Build - Fiberglassing Hull
    20 hours ago by Rookysailor ( Captain)
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    You've done a beautiful job of glassing your boat Joe, well impressedπŸ‘

    Cheers, Pete
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    πŸ’¬ Re: US1M Build - Fiberglassing Hull
    15 hours ago by Joe727 ( Lieutenant Commander)
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    Pete,
    Thanks for the comment, each hull gets a little better, I just need to keep building/practicing.....
    Joe 😎
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    πŸ“ US1M Plank Taper Explanation
    5 days ago by Joe727 ( Lieutenant Commander)
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    Pete,
    As promised but delayed a bit, I have attached images showing how I calculated taper.

    Last photo shows the build stage that I was at when I did the calcs.....all frames in, keel planks and shear planks in per first sketch.

    First sketch showing bulhead / frame. Since each frame will be different, first measure the dimension X shown. I did this in mm as this is the easiest.

    Next I recorded these dimensions for frames 1-10 plus the stem (bow).

    Third image shows my chart. 1st column is frame station. 2nd is dimension in mm.

    Jumping to column 5, this shows the taper in percentages. Since frames 5 & 6 are 134mm, the largest distance, this becomes 100%. Then each other frame is calculated for the taper percentage. Example, frame 2 is 110mm divided by 134 mm = 82%. Record these in column 5.

    Column 3 shows this in actual plank width. Since I knew that I wanted planks about 8mm, I divided 134 into 16 divisions to give me a starting plank width of 8.37mm. Multiplied 8.37mm times each station % gave me the taper widths. For example frame 8 is 7.2mm.

    I took a full plank at 8.37mm and marked the station location by holding it on the hull frames and penciling lines. Then a each frame line I used a caliper to mark my widths. Then it is just connecting the dots and draw a taper line.

    Once shaved to the line, I used this plank as a template and marked each plank.

    This constant taper worked pretty well until I got down to the last 3 planks on each side. Then I just adjusted the taper to fill the gaps.

    It worked out pretty well.....at least I no longer have a Fear of planking!πŸ˜‚πŸ˜‚πŸ˜‚πŸ€£πŸ˜‰

    Joe 😎
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    πŸ’¬ Re: US1M Plank Taper Explanation
    5 days ago by Rookysailor ( Captain)
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    Many thanks Joe, it will take me a while for it to sink in, but no problem as I don't have a hull to practise this on at the moment, just a query, I presume all the data will change depending on the size of the hullπŸ™„

    Cheers, Pete
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    πŸ’¬ Re: US1M Plank Taper Explanation
    5 days ago by Joe727 ( Lieutenant Commander)
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    Pete,
    Thanks for your continued interest!

    Yes, every hull is different, my numbers are just that, my numbers for this hull.

    It actually took less time to do than it did to type up an explanation. It's simple once you get the hang of it.

    But when I first tried to figure this out from internet searches I was quite confused!! πŸ™„

    Joe 😎
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    πŸ“ US1M Build - Planking Completed
    8 days ago by Joe727 ( Lieutenant Commander)
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    Finished the balsa planking Friday night. Then I spent Saturday block sanding the hull with 120 grit sandpaper. Very dusty work so I did it all outside on a portable workbench. Of course I forgot to take more photos during sanding.

    I glued a chunk of balsa on the bow and then sanded to shape. Ready to start glassing but will wait until morning when I will have the whole day and hope to get several coats on while green.

    Pete, I have not forgotten about your question regarding calculating plank taper. I just haven't got around to sketching something up. Will do.
    Joe 😎
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    πŸ’¬ Re: US1M Build - Planking Completed
    7 days ago by Rookysailor ( Captain)
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    You have made a lovely job of the planking Joe,πŸ‘ if I could do half as good as you, I would be very pleased, looking forward to your plank taper sketch.😊

    Cheers, Pete
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    πŸ“ US1M Tapering Planks
    13 days ago by Joe727 ( Lieutenant Commander)
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    Working with two planks at a time, one for each hull side, I mark the taper on the 8.3mm wide planks. Then using the pictured rasp-like thing, (don't know the proper name,) I trim each plank to the taper line. Usually I prefer to use my small Stanley planes but they did not work well with this balsa.

    Continuing to plank and let dry, I have been getting about 6 planks per day. Not a lot but I have no schedule! It's a hobby, No Hobby Police around here πŸ˜‰!

    Joe 😎
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    πŸ’¬ Re: US1M Tapering Planks
    13 days ago by Rookysailor ( Captain)
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    How did you calculate the taper for each plank Joe?
    The rasp like thing, don't know what you would call it in the USA, but here in the UK we sometimes call it a Surform, named after the company who makes them.

    Cheers, Pete😊
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    πŸ’¬ Re: US1M Tapering Planks
    13 days ago by Newby7 ( Sub-Lieutenant)
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    Your right time is on your side to do the planking .
    Rick
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    πŸ’¬ Re: US1M Tapering Planks
    12 days ago by jbkiwi ( Vice Admiral)
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    Hi Joe, as Rooky said,- a Stanley Surform pocket plane, (actually stamped on it) I've had my 2 versions since the 70's , very handy for certain softer timbers and auto panel filler ('bog') before it sets hard. Planking's looking good so far.
    JB
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    πŸ’¬ Re: US1M Tapering Planks
    12 days ago by Joe727 ( Lieutenant Commander)
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    Pete,
    Regarding tapering I will put together something to explain it, like a sketch and calcs. It's simple but I need to figure out how to explain it in a post, today or tomorrow...
    Joe
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    πŸ’¬ Re: US1M Tapering Planks
    12 days ago by Joe727 ( Lieutenant Commander)
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    Rick,
    Thanks, it's coming along...
    Joe
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    πŸ’¬ Re: US1M Tapering Planks
    12 days ago by Joe727 ( Lieutenant Commander)
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    Yes, all I had to do was look at it!
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    πŸ“ US1M start of planking
    16 days ago by Joe727 ( Lieutenant Commander)
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    Starting to plank the hull. Using 1/8"Γ—3"Γ—48" balsa sheets, I cut strips about 8mm wide. First placed two balsa planks against the basswood keel plank. I will place two on each side at the boat sheer. From that point I will begin tapering as necessary to cover the hull. I intend to take it slow as I am not very experienced with this process. I am reading a lot about it and will give it my best shot! πŸ™„πŸ™„πŸ™„πŸ™„
    Joe
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    πŸ’¬ Re: US1M start of planking
    15 days ago by Martin555 ( Fleet Admiral)
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    It won't take you long to get the hang of it Joe.
    Good luck.

    Martin555.
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    πŸ’¬ Re: US1M start of planking
    15 days ago by Newby7 ( Sub-Lieutenant)
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    Take your time you will enjoy the results once done. Rick
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    πŸ’¬ Re: US1M start of planking
    15 days ago by peterd ( Chief Petty Officer 1st Class)
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    Can never have too many clamps. (Or the wifes pegs) Looking good. I am still learning patience but is a great asset. Looking forward to the next round of photos.
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    πŸ’¬ Re: US1M start of planking
    15 days ago by Joe727 ( Lieutenant Commander)
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    Martin555,
    I hope I get the hang of it! The intent is to fiberglass it with very light .75oz cloth, so as long as i can get a nice smooth surface I will be happy.
    Joe 😎
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    πŸ’¬ Re: US1M start of planking
    15 days ago by Joe727 ( Lieutenant Commander)
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    Rick,
    You are correct, I need to take it slow. I sometimes rush it a bit and that's when things go south. Thanks for your interest.
    Joe 😎
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    πŸ’¬ Re: US1M start of planking
    15 days ago by Joe727 ( Lieutenant Commander)
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    Peterd,
    Yes, I have managed to collect many clamps over the years for my shop. Funny, I can always need more!
    Joe 😎
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    πŸ’¬ Re: US1M start of planking
    15 days ago by Rookysailor ( Captain)
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    Hi Joe, like you I am new to planking, never tried it before so will be watching you with interest to see if I can pick up any tips.😐

    Cheers, Pete
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    πŸ’¬ Re: US1M start of planking
    14 days ago by Joe727 ( Lieutenant Commander)
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    Hi Pete,
    I will try to show the process I am going through on the planking, however, keep in mind it's new to me so I don't want to lead anyone in the wrong direction. We will see how it ends up

    I will try to do a sketch to show how I am tapering the planks..... Thanks for the interest.
    Joe 😎
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    πŸ“ Start of Hull Assembly
    18 days ago by Joe727 ( Lieutenant Commander)
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    Started placing and glueing frames to the building board using 4 squares at a time to ensure that they stay plumb, vertical and square. One at a time with ca glue at the base. Using foamcore board, I cut spacers 97mm wide , to place between the frames after the ca had set. The spacers will remain loose so I can move them during planking. As the frames are a bit flexible, these will help keep them aligned during keel and stringer installation. I used this method on my Star 45 build and it worked well.

    The progress shown just took about 2 hours, I'm able to move quicker as I had my learning curve on the 45 build.

    Now I am sorting my basswood to select keel and stringer material. I will give the frames a few hours before placing the keel first, then the stringers. Should be able to do this later today. Having fun! 😁
    Joe 😎
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    πŸ“ Modifying laser cut Frames with slots & openings
    19 days ago by Joe727 ( Lieutenant Commander)
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    Last night I realized that the frames as purchased were solid, πŸ€” so they had no openings for hull access or slots to aid in removal from the building board. So I laid out openings based on using a 2 1/2" hole saw and a 1 3/8" forstner bit. Drew on each frame, but forgot to take a photo.

    Photos show before and after with openings cut. Horizontal slots are for removal from building board. Stack of frames shown are just rough cut and each will be hand sanded prior to installation on the building board.
    Joe πŸ˜ŽπŸ˜‹
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    πŸ’¬ Re: Modifying laser cut Frames with slots & openings
    19 days ago by Rookysailor ( Captain)
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    A nicely finished job Joe, full marksπŸ‘πŸ‘πŸ‘

    Cheers, Pete
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    πŸ’¬ Re: Modifying laser cut Frames with slots & openings
    19 days ago by Joe727 ( Lieutenant Commander)
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    Pete,
    Thank you. This is just my second laser frame build. It's a good thing I put together my Star 45 hull first or I would not known how helpful the slots are for removing the hull from the building board.
    Joe
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    πŸ’¬ Re: Modifying laser cut Frames with slots & openings
    18 days ago by Newby7 ( Sub-Lieutenant)
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    Great start now comes the good parts getting it all together.
    Rick
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    πŸ“ US1 meter, lockdown build #4.......
    20 days ago by Joe727 ( Lieutenant Commander)
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    Starting a new build as Covid 19 rages in the USA due to lack of national leadership. Looks like I will be in lockdown for many months to come. I beat Cancer stage 4, but have no control over political insanity, so I will just stay put at home and make yet another yacht!

    In the past I have built several US1 Meter racing yachts, but when fighting cancer I gave them away to friends so as not to burden my wife. Having survived it's time to get on with life so I will build a new fleet!

    I had such great success with the laser cut frames from StevensAero on my 45 build that I ordered the "hull 16 frames designed by Magnus Clarke" from the same source.

    Some shots of the sheets received today, fast shipping!

    Pulled out the building board from my 45 build and cleaned it for this new build. May have to modify it due to the narrower US1M, we will see.

    Keep busy and stay safe!
    Joe 😎
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    πŸ’¬ Re: US1 meter, lockdown build #4.......
    19 days ago by Hillro ( Midshipman)
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    Great that you are in a place to continue your hobby.
    I look forward to your progress as I have never seen a racing boat build.
    With respect to shutdown, here in Scotland it has taken four months of lockdown to drive inflections to single fiqures. Today we can now go to a restaurant, pub etc.
    However things are not normal. Wearing of masks, social distancing , etc.
    Anyway keep safe.
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    πŸ’¬ Re: US1 meter, lockdown build #4.......
    19 days ago by peterd ( Chief Petty Officer 1st Class)
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    Looking forward to seeing this progress. Sailing an older IOM homebuild over here in Aussie and love the boat. I think there are a lot of new boats almost ready to hit the water, just waiting on the go-ahead.
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    πŸ’¬ Re: US1 meter, lockdown build #4.......
    19 days ago by Joe727 ( Lieutenant Commander)
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    Hillro,
    Thanks for your comments, I appreciate your interest.
    Joe😎
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    πŸ’¬ Re: US1 meter, lockdown build #4.......
    19 days ago by Joe727 ( Lieutenant Commander)
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    Peterd,

    The IOM is a nice boat, I have sailed them but don't own one. Our club just sticks with the US1M and the Soiling 1M.

    Good point on the number of boats waiting to hit the pond, should be exciting when the day comes!
    Joe 😎
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