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    40'' Seaplane Tender, new build
    Just started a 40" model of a 41'6" seaplane tender. I have been wanting to do one for years and now that my 36" 100 series 64ft HSL is done I was getting itchy fingers. Started with drawings from the 1976 Model Boats mag (part of the series on ASRs they did back then) which show frame shapes and positions, and enlarged them to 40" (A-O paper after rearranging the images on the A4 primary enlargement used as printing 'pattern' to enable max size on A-O. ) I did the same with the HSL and with a bit of fiddling got all the frames to line up nicely to shape. You have to be a bit inventive building this way regarding framing material etc, but it's possible if you have previous building experience. I found with these particular drawings that the frames were not drawn with identical profiles (left and right sides) so I had to create 1 side and flip it for the opposite side. I also had to create an extra frame between 2+3 as there was no real support for the stringers without it. The front top deck frame is cut from 3mm ply, as are the frames,-(ply is from packaging of a big Toyota Landcruiser axle recall which was done during my time at Toyota, which is 3 ply, very light, and perfect for this type of job, and not to mention, free!) I borrowed this frame method from the old 60s Vic Smeed MTB plan and it makes a good strong bow section to work with (used it on the HSL also.) Ply longerons are run through from transom to F2 with hardwood stiffening between transom and F4. Chine, gunwale and mid stringers are 4mmx2mm Beech, bottom stringers are 3x3 beech with mid stringer doubled. I may have to put extra stringers in the sides but that will depend on how the planks lie in the flares. planking will be 1.5mm balsa as the flares are quite pronounced especially in the bow area, and you just can't get sheets to go round the compound curves. Hull will be glassed and faired when finished and sealed with thin resin inside once everything is ready. Cabin is reasonably easy but takes a bit of working out and fiddling with due to lack of any plan, but it seems to be working out reasonably with the use of photos etc. The model is going to be a representation of a tender which was imported privately in the 50s by a doctor in the Milford sounds area here in the South Island of NZ, to enable him to visit patients, due to there being water access only in many of the remote areas. I have modified the drawings to represent this boat, which included changing the mast and removing the rear oval port and replacing it with a small round port, (not sure why this was changed, maybe an interior modification made the large port unnecessary ?) The boat ended up in Auckland at some stage and was owned by a family not far from my place for a number of years (pic is on the hard at our local yacht club in the 70s, - colour pic is from a friends super 8 movie taken from his boat, on an outing together with Jaguars owner 60s/70s). It is now apparently back in the South Island being restored. The model will use brushed 540 motors with twin ESCs etc but still a way off yet. I have to work out a way to make the cabin removable either with or without the rear cockpit, but more likely it will be a 2 piece job. It's a bit of a make it up as you go project. Model Boats frames
    boat sheets
    Landcruiser motors ESCs πŸ‘ Like πŸ’¬ Comment πŸ—£οΈ Share 5
    5 years ago by jbkiwi


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