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  1. W

    12' 1976 Harber/Sears V-hull conversion

    Videos: https://photos.app.goo.gl/knU7VTCiYNUtG8sF9
  2. W

    12' 1976 Harber/Sears V-hull conversion

    I could stand on one side with one leg on the float and the float did not fully submerged. I could stand on the bow part of the front deck and it did not feel unstable. We had two adults sitting on one side and it did not feel unstable at all. I would not try doing that with a standard aluminum...
  3. W

    DIY Flotation Collar (side floats) to make your tin boat safer and more comfortable

    I decided to mount just above the chin extrusion to provide more stability at slow speed and when not moving (loading at the dock or fishing). At high speed, those are above the water anyway. If I mount those higher, they will start working at large angle so the floor will not be leveled at rest...
  4. W

    DIY Flotation Collar (side floats) to make your tin boat safer and more comfortable

    I considered construction foam, but a semi-decent one like FOAMULAR Rigid Foam Insulation Board 2" x 24" x 96" is $50 per sheet. Two sheets for two floats will be over $100 with tax. plus ~$60 for a gallon of good glue plus converting material. so it will cost over $200 (at least in Canada)...
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    DIY Flotation Collar (side floats) to make your tin boat safer and more comfortable

    I just weighed a piece of that foam. 106 grams for one linear foot of 1" thick x 8" high. so, it's 106 grams x 8' = 848 grams per layer x 5 layers = 4,240 grams - 212 grams (2' missing on the last layer) = 4,028 / 4 kg / 8.8 lbs per side + glue and aluminum bar ~ 10 LBS per side I used 4LB foam...
  6. W

    DIY Flotation Collar (side floats) to make your tin boat safer and more comfortable

    I posted that project to get comments on what could be done better or if someone would spot any critical issues with that approach. If you have something useful to contribute, please do. What problems do you see with those floats?
  7. W

    DIY Flotation Collar (side floats) to make your tin boat safer and more comfortable

    Thanks. This should be easier to do on a jon boat. I think the sides there are straight and not curved like on v-hulls It's possible the foam supplier can ship 3" thick 8" high pieces so you only need to glue 2 layers on each side instead of 5 I did. you will need only 1 sheet of foam for 8'...
  8. W

    DIY Flotation Collar (side floats) to make your tin boat safer and more comfortable

    Because the floats are black, they are blending with the water.
  9. W

    DIY Flotation Collar (side floats) to make your tin boat safer and more comfortable

    Good questions. I was so happy my little tin can did not instantly sink, I did not make too many pictures or videos for a more scientific data collection. Next time I'll do much more testing and will try standing on one of the floats. > When the boat is at rest, does the bottom of the collar...
  10. W

    12' 1976 Harber/Sears V-hull conversion

    I finally got this boat in the water, and with added floaters or flotation collars, it's super stable and feels safe. It easily planes with 2 adults and 1 child and goes 15 knots at full throttle (15hp outboard) with some small waves on the open lake Ontario. So far, I could not find a...
  11. W

    DIY Flotation Collar (side floats) to make your tin boat safer and more comfortable

    Hi guys, I want to share my DIY project because it will make any tin boat more stable and safe and not super complex to execute. There was a lot of interest on the launch ramp with people touching the floats and giggling like they discovered something amazing. My thread about the full...
  12. W

    12' 1976 Harber/Sears V-hull conversion

    all done. even the capacity label and serial number are reattached. just waiting for the engine remote control kit. check this out:
  13. W

    10' 11" RIB Tiller to center console conversion. For a Yacht tender.

    I was following your build, and it looks great. good job! if someone is considering a similar conversion, I found this DIY central console, which seems like an easy and light build.
  14. W

    12' 1976 Harber/Sears V-hull conversion

    thanks. i'm getting a bit frustrated with the speed of my progress but we still have at least a couple of months until the boating season here so I should make it
  15. W

    12' 1976 Harber/Sears V-hull conversion

    yes, it's just 2x U-shaped brackets with bolt and wing nut to rotate the light out of the way inside the hull when it's not needed. we used a dinghy a fair amount of time at night, so I wanted something better than a handheld flashlight; plus, there is plenty of 12v power available.
  16. W

    12' 1976 Harber/Sears V-hull conversion

    Jan 28 update. The front deck and mid cockpit are ready. Electric system and lights are all done.
  17. W

    12' 1976 Harber/Sears V-hull conversion

    I've got a new(ish) 15hp 4-stroke Evinrude (Tohatsu) for it because it already has a tube for remote steering and an electric start. As I understand, it's possible to convert those to 20HP by changing the carburetor. My "upgrade" made the boat much more rigid and it will not have any trouble...
  18. W

    12' 1976 Harber/Sears V-hull conversion

    Hatches are done, decks are done, hatches reinforcement is done, and electrical is done, spaces between hatches are painted. I am getting ready for EVA foam. I "un-bented" two old seats and got enough material for the front deck and hatches. It was a bit challenging to flatten...
  19. W

    12' 1976 Harber/Sears V-hull conversion

    I calculated the boyancy of foam I have inside the boat now and it's ~511 pounds for 1.5x of 4x8' sheets of 2" rigid foam. * From another thread I found: 4x8' sheets of 2" foam is 5.33 cubic feet. Seawater weighs ~64 pounds per cubic foot. So sheet displaces ~5.33x64= 341 pounds Current total...
  20. W

    12' 1976 Harber/Sears V-hull conversion

    Hi guys, I hope you had a great Christmas, and Happy New Year to you and yours! Some progress on this build: I tried aluminum blazing for the first time to buld hatch frames. Worked pretty well. almost like TIG welding with a strong bond. so far, it's 318 LB. 213LB added to...
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