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Thread: Plywood boat rebuild

  1. #71
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    Default Re: Plywood boat rebuild

    lots of work was done today



    plywood and keel area was ground, cleaned and filled with thickened epoxy - that's the area where the water leak was discovered -


    The area where shaft is passing trough the keel was well fiber glassed, but that's where another water leak was, so the fiberglass was stripped, keel and plywood joint was cleaned and covered with thickened epoxy.



    The area of shaft log will be ready for re-mounting tomorrow.
    Do not want to use a gasket, to not to throw the whole shaft out of alignment.
    So the question is: what kind of sealant use to seal shaft log with the keel ???
    Last edited by 2dogsnight; 06-20-2015 at 05:32 PM.

  2. #72
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    Default Re: Plywood boat rebuild

    We only have 3/8 inch of metal between the screws and the ocean. I think it was bed in dolfinite, (all dried out).
    Tempted to use a sika product, but I am not not up to speed on all the "numbers"of sika.
    leaning away from 5200 or epoxy
    4200 i recon.

  3. #73
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    Default Re: Plywood boat rebuild

    shaft log was set on a bed of thickened epoxy, covered later on with epoxy saturated fiberglass cloth,


  4. #74
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    Default Re: Plywood boat rebuild

    new seacock mounted.... needs new screws to complete installation


  5. #75
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    Default Re: Plywood boat rebuild

    more sanding......

  6. #76
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    Default Re: Plywood boat rebuild

    ....today my mechanic Troy stopped by to see how motor was doing......the results were fantastic
    Here it is: 195oatoat6 Atomic 4 25hp.....it will do very well on my plywood boat
    http://youtu.be/q-wPsRK2-8M

    ....and here checking vital signs:

    http://youtu.be/QJMaPY1ZWGE
    Last edited by 2dogsnight; 07-05-2015 at 11:58 PM. Reason: bad links

  7. #77
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    Default Re: Plywood boat rebuild

    Your privacy settings need to be set to public for us to see your posts on FB.


    Quote Originally Posted by 2dogsnight View Post
    ....today my mechanic Troy stopped by to see how motor was doing......the results were fantastic
    Here it is: 195oatoat6 Atomic 4 25hp.....it will do very well on my plywood boat
    https://www.facebook.com/wojo.mcwalc...9/?pnref=story

    ....and here checking vital signs:

    https://www.facebook.com/wojo.mcwalc...7/?pnref=story
    http://bensboatblog.blogspot.com/
    When peeing over the side,remember,one hand for you,and one hand for the ship.
    Proud Member Of The Elite LPBC.

  8. #78
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    Default Re: Plywood boat rebuild

    It's nice to see you still at it. That's a fun little boat you have.

  9. #79
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    Default Re: Plywood boat rebuild

    thank you Ned!!

    working long hours does not help to take care of stuff the way one may want to.....
    but things are moving along :-)
    ....just changed the video links

    Wojo

  10. #80
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    Default Re: Plywood boat rebuild

    Quote Originally Posted by ben2go View Post
    Your privacy settings need to be set to public for us to see your posts on FB.
    edited links from facebook to youtube....they do work !

  11. #81
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    Default Re: Plywood boat rebuild

    Quote Originally Posted by 2dogsnight View Post
    ....today my mechanic Troy stopped by to see how motor was doing......the results were fantastic
    Here it is: 195oatoat6 Atomic 4 25hp.....it will do very well on my plywood boat
    http://youtu.be/q-wPsRK2-8M

    ....and here checking vital signs:

    http://youtu.be/QJMaPY1ZWGE
    Check it out !!

    Wojo

  12. #82
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    Default Re: Plywood boat rebuild

    Looks and sounds real nice! Those are great little engines.

  13. #83
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    Default Re: Plywood boat rebuild

    thank you Ned!
    ....soon going back to the boat

  14. #84
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    Default Re: Plywood boat rebuild

    Quote Originally Posted by 2dogsnight View Post
    edited links from facebook to youtube....they do work !
    Great.Nice little runner ya got.
    http://bensboatblog.blogspot.com/
    When peeing over the side,remember,one hand for you,and one hand for the ship.
    Proud Member Of The Elite LPBC.

  15. #85
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    Default Re: Plywood boat rebuild

    Quote Originally Posted by 2dogsnight View Post
    thank you nedL!! got the little 1962 5.5hp Johnson running.....but the traces (OK, more than that) of what I think is gear lube in the water makes me wander what O-ring needs replacing....??....also since the water pump is not self priming, needs to be under the water surface - but only in the barrel, not mounted on transom - so I was told.......true??
    n

    Probably just unburned 2 stroke oil. The earlier OMC's used to ooze small amounts of white oil-spooge (Oil mixed with water, whipped into a froth) out between the powerhead and the lower unit to lubricate the pivots. This will also come out of your exhaust. Probably more likely than gear oil. (check to be sure it is clean, or dark, not white and change your impeller!)

  16. #86
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    Default Re: Plywood boat rebuild

    Never checked the bearing at the boat trailer. Towed it 60 miles few years go and bearing didn't seized up.....but this is not looking good:

    http://library-static.snapfish.com/l...22753298719%7D
    Last edited by 2dogsnight; 08-24-2015 at 04:44 PM.

  17. #87
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    Default Re: Plywood boat rebuild



    Took my Fontana to the boat ramp, dipped it in the water and - there are no leaks!!
    Thank you Bruce!
    Now I can start working on putting Atomic 4 back to the boat :-)
    Last edited by 2dogsnight; 08-25-2015 at 01:24 AM.

  18. #88
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    Default Re: Plywood boat rebuild

    Good news! Enjoy putting her engine back in. Looking forward to updates about that.

  19. #89
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    Default Re: Plywood boat rebuild

    Thank you Ned, I will !
    ...just found out that SnapFish does not allow to "share" pictures anymore....so I went with Google "Picasa"...Will take more pictures tomorrow - installing shaft etc

  20. #90
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    Default Re: Plywood boat rebuild

    when internet friend was working on my boat, he said that it was build from good materials. Few days ago I removed paint from some parts of the boat, and discovered nice cedar under it. I think I will get the putty out from screw holes and epoxy cedar plugs in there. Would like to have some bright work here and there. She deserves it.

  21. #91
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    Default Re: Plywood boat rebuild



    getting ready to install the shaft before the motor will go in.
    The question is: do I need to use a grease in the strut?

  22. #92
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    Default Re: Plywood boat rebuild

    A little lanolin is nice. Clean off any nicks or dings with fine wet sandpaper.
    Slide it on without the key, mark the spot.
    Take it off and put the key on .
    Be sure the prop returns to its spot marked.
    This prevents the prop from riding up on the shaft key.

  23. #93
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    Default Re: Plywood boat rebuild

    Quote Originally Posted by 2dogsnight View Post
    when internet friend was working on my boat, he said that it was build from good materials. Few days ago I removed paint from some parts of the boat, and discovered nice cedar under it. I think I will get the putty out from screw holes and epoxy cedar plugs in there. Would like to have some bright work here and there. She deserves it.
    Looks like mahogany?

  24. #94
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    Default Re: Plywood boat rebuild

    don't have much experience working with mahogany, so I think is a western cedar.......

    Thank you Bruce! I will do as you said
    Last edited by 2dogsnight; 08-27-2015 at 09:53 PM.

  25. #95
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    Default Re: Plywood boat rebuild

    this was the day when the motor was going to go in....but......Western Marine did not have 1.5" diameter exhaust hose, that I need to connect the stuffing box to shaft log......special order 1 week
    .......shaft is pretty long and in order to install it, the motor has to be out of the boat



    yes, almost but not quite..


  26. #96
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    Default Re: Plywood boat rebuild

    Great!! A note about plugs in the coaming that you want to varnish. I would suggest setting the plugs in with varnish or shellac rather than epoxy. You will thank yourself if you every need to remove one.

  27. #97
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    Default Re: Plywood boat rebuild

    I will definitely use varnish Ned - thanks for the tip!

    Since I couldn go any further with the motor, I started prepping the screws for the plugs. Came up with machinist worthy jig . I am using an endmill to get the putty out and make a hole for the plug round:



    Discovered that there are two type of fasteners used here: a nail and a screw. Screws are sitting about .122 deep, which is deep enough to install a plug, but nails maybe only about .030 What to do? one may ask.......probably at this point nail may not be of use - as surfaces are most likely bonded for life after 30 years.....so maybe drill the nail head off, hammer it down little deeper and make hole deep enough for the plug ???

    Last edited by 2dogsnight; 08-27-2015 at 09:51 PM.

  28. #98
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    Default Re: Plywood boat rebuild

    Hmm, with plugs that shallow you may need to use epoxy to get them to stay in.

    oh, and just so you know, most people here will call them "bungs" and not "plugs". Where I grew up on the Jersey shore the old timers used to say bungs are for whiskey barrels and plugs are for boats. Bungs were what people who didn't know any better called them. Maybe it is a regional thing, as I said everyone else here seems to call them bungs. Maybe they like whiskey??

  29. #99
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    Default Re: Plywood boat rebuild

    I guess I will use one bung for many, many nail holes

  30. #100
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    Default Re: Plywood boat rebuild

    while waiting for stuffing box hose, started looking at dripless stuffing box......it's pricey - over $400- would love to hear from guys that have it


  31. #101
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    Default Re: Plywood boat rebuild

    They make shaft removal more difficult , more of a precision job . The bellows part , needs renewal every 5/7 years (recommended). So, the high cost continues .
    A keelboat might have its shaft 2 or 3 feet underwater, so a conventional SB might leak more cuz of the constant pressure on it .
    Your SB is barely a few inches underwater when the boat is at rest. So , there is very little pressure , very little tendency to leak . Also , because it is so high up , you would need to inject raw water into it ,which is not a big deal , but it is just one more thing .
    I think it is not right for your boat .
    I have one on my big boat , but have gone back to conventional with my 24 'er , not for lack of money.
    Bummer that you have this week of idleness, as this is your week off?

  32. #102
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    Default Re: Plywood boat rebuild

    Yes, one week off. I was thinking that I will get much more done......but I am very happy that the leaks are gone, trailer works, new truck pulls boat well. That was hanging over my head for long time!
    Your stuffing box explanation make sense, now I can wait for the hose in peace Thank you Bruce!!

  33. #103
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    Default Re: Plywood boat rebuild

    Quote Originally Posted by nedL View Post
    Hmm, with plugs that shallow you may need to use epoxy to get them to stay in.

    oh, and just so you know, most people here will call them "bungs" and not "plugs". Where I grew up on the Jersey shore the old timers used to say bungs are for whiskey barrels and plugs are for boats. Bungs were what people who didn't know any better called them. Maybe it is a regional thing, as I said everyone else here seems to call them bungs. Maybe they like whiskey??
    It is a big region then, it is bung here in Britain as well. You may plug a leak with a bung, otherwise plugs go in electrical sockets.
    It really is quite difficult to build an ugly wooden boat.

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  34. #104
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    Default Re: Plywood boat rebuild

    About your stuffing box, I completely agree with Bruce (Wizbang). Not at all necessary on your boat, and I think a dripless would be more maintenance than what you have.

  35. #105
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    Default Re: Plywood boat rebuild

    still very exited about SB advice from Bruce and Ned !
    Bungs/plugs I just got in Home Depot are hardwood, but not Western Cedar, thinking of getting a Plug Cutter Set and make my own bungs....with 2 days vacation left I think I will try to install depth finder and motor hour counter on dashboard......


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