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Bottom Frame Thickness

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cenger
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Bottom Frame Thickness

Post by cenger » Sat Feb 21, 2009 10:40 am

I'm at the point in my restoration where I am replacing the bottom frames on my 16' split cockpit. I noticed that alternating frames are different thickenss. Frames start at 7/8 inch then alternate to 1 1/8inch then the next back to 7/8. Is this correct or should all frames be 7/8?

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Don Ayers
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Post by Don Ayers » Tue Mar 03, 2009 2:28 pm

What year is the boat and I will look up the specs to see if they are different.
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1959 Riva Ariston
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cenger
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Post by cenger » Mon Mar 23, 2009 7:19 am

Its a 1935 16-35 Split Cockpit.

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Mark Christensen
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Post by Mark Christensen » Mon Mar 23, 2009 12:04 pm

That's interesting. I have the same problem, but there is no pattern that I can figure. Some are the 7/8", some are 1", some inbetween. I'm making them all the same thickness in the long run though. Because some of my frames also did not fit tightly in their spots. I'm guessing on the assembly line they cut the notches to one size and then just put the frames in their respective spots.
1961 24' Chris Craft Sportsman - CUA-24-0007C
1940's Homebuilt 14' Racing Hydroplane
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cenger
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Post by cenger » Tue Mar 24, 2009 2:36 pm

Is it me or is there something wrong with this picture?
it’s not me. I purchased the original plans for the Gar Wood Speedster (same hull) from the Antique Boat Museum. At some point in the boats life, all the Intermediate frames were removed and replaced with 1 1/8 inch auxiliary frames. Boat must have weighed a ton! I have replaced the frames back to proper specs with 7/8 inch oak.

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