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Author Topic: '76 22 Osprey re-build  (Read 21307 times)

June 08, 2015, 01:38:26 PM
Reply #90

Que Pasa

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Re: '76 22 Osprey re-build
« Reply #90 on: June 08, 2015, 01:38:26 PM »
Nice Capt Bob that explanation makes a lot of sense. I see what you mean by longitudinal strength. I am going to beef them up a little, but I'm still leaning the route without foam.
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June 08, 2015, 02:27:09 PM
Reply #91

Capt. Bob

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Re: '76 22 Osprey re-build
« Reply #91 on: June 08, 2015, 02:27:09 PM »
Well as any good c & p guy knows, your design is as only good as its attachment so no matter how much you beef it up, how you stick it to the hull is what really matters.

In reality, we have seen several builds where the stringers are still sound even with soaked foam, only to be detached from the hull bottom.

Good luck. :thumright:
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Capt. Bob
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June 08, 2015, 05:27:22 PM
Reply #92

Que Pasa

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Re: '76 22 Osprey re-build
« Reply #92 on: June 08, 2015, 05:27:22 PM »
Transom grinding done and clean, ready to start the glassing process.

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June 15, 2015, 06:34:08 PM
Reply #93

Que Pasa

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Re: '76 22 Osprey re-build
« Reply #93 on: June 15, 2015, 06:34:08 PM »
Did some patterning and a little mock up of the cap.

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June 16, 2015, 04:28:42 PM
Reply #94

northfork

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Re: '76 22 Osprey re-build
« Reply #94 on: June 16, 2015, 04:28:42 PM »
Looks good. Did you decide on the transom sore yet.
Bet your glad your done grinding. (For now)
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June 16, 2015, 08:18:55 PM
Reply #95

Que Pasa

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Re: '76 22 Osprey re-build
« Reply #95 on: June 16, 2015, 08:18:55 PM »
Yes going with the 3/4 inch marine ply doubled up. I have already cut the first piece and discovered I have a little more grinding to do in the bottom corners. Also a little outward bow in the skin. What do you think of the crown? 37 inches from the keel.
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June 16, 2015, 10:25:00 PM
Reply #96

Callyb

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Re: '76 22 Osprey re-build
« Reply #96 on: June 16, 2015, 10:25:00 PM »
Quote from: Que Pasa on June 16, 2015, 08:18:55 PM
Also a little outward bow in the skin.

That is not good. I would recommend that you make some structure to reinforce the transom skin. For example, a sheet of 1/2" with some straight 2"x 4" backers. Do not allow that bow to be incorporated into your transom, it is an indication that some other surface is out of shape in your hull.
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Carl
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June 17, 2015, 12:12:23 PM
Reply #97

northfork

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Re: '76 22 Osprey re-build
« Reply #97 on: June 17, 2015, 12:12:23 PM »
I like the look of your cap mock up. I started to glass my transom and have let the glass run high. I am still playing with the crown ht on mine. I will cut the outer skin after I install my core. Maybe this weekend.
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June 17, 2015, 05:14:07 PM
Reply #98

Que Pasa

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Re: '76 22 Osprey re-build
« Reply #98 on: June 17, 2015, 05:14:07 PM »
North I plan on doing the same, I cut my transom core and couldn't get a smooth line. Can't wait till I have to cut the ark. Should be comical.
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June 17, 2015, 06:11:37 PM
Reply #99

dirtwheelsfl

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Re: '76 22 Osprey re-build
« Reply #99 on: June 17, 2015, 06:11:37 PM »
Quote from: Que Pasa on June 17, 2015, 05:14:07 PM
North I plan on doing the same, I cut my transom core and couldn't get a smooth line. Can't wait till I have to cut the ark. Should be comical.

Temporarily attach a batten across the back with the curve you want to guide a skilsaw base.     Probably take 3 passes while increasing blade depth.  And you can angle the base to compensate for the transom angle to make the top of the core flat too...
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June 17, 2015, 10:00:10 PM
Reply #100

Que Pasa

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Re: '76 22 Osprey re-build
« Reply #100 on: June 17, 2015, 10:00:10 PM »
Dirt, a skill saw like a circular saw? I never tried to cut a curve with a circular saw.
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June 18, 2015, 02:00:10 PM
Reply #101

dirtwheelsfl

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Re: '76 22 Osprey re-build
« Reply #101 on: June 18, 2015, 02:00:10 PM »
Yea just use a blade you don't like :mrgreen:

Itll cut fine as long as you don't have a huge curve (which you wont judging by crown youre after).    Just make your first cut pretty shallow and increase your depth with 3 passes or so...
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June 21, 2015, 08:26:34 PM
Reply #102

Que Pasa

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Re: '76 22 Osprey re-build
« Reply #102 on: June 21, 2015, 08:26:34 PM »
Going to get my cloth tomorrow, does anyone have an Idea of how much 1708  and 1.5 oz I need for a transom and floor for a 22 - 2.
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June 22, 2015, 10:11:27 PM
Reply #103

northfork

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Re: '76 22 Osprey re-build
« Reply #103 on: June 22, 2015, 10:11:27 PM »
Que
my transom ht at the center of the hull. Inside face to top is 37". That comes out to a 2" crown from top of gunwale
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June 22, 2015, 10:26:51 PM
Reply #104

Que Pasa

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Re: '76 22 Osprey re-build
« Reply #104 on: June 22, 2015, 10:26:51 PM »
That's right where I'm gonna be. Looks to be perfect to me
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