The Murphy Builders Site

Rivetting to the skins increases strength, prevents sideways buckling,
and stops fretting from the skin vibrating against the channel.
Personally I would not bother doubling them if you are not going to
rivet to the skin. You might find that separating the second channel a
bit (space them apart) will make a better fit for the chair rails.
Ken

David Jackson wrote:

I took over Rebel 414 as a project. The front floor channels were built without doubling as per the original plans. Current plans call for doublers on front floor channels as well as three extra channels. Do I need to rivet the doublers to the skin or am I just as well off to just rivet the doubler to the existing channel? The doubled channel will be rivetted to the existing bracket for the current single channel in any case.

Thanks
Dave J

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Yes rivet it to the skin that's how it gets it's strength. You can drill
from the inside going out 3/32" on an angle then drill from the outside #30

At 05:22 PM 10/21/2007 -0400, you wrote:

I took over Rebel 414 as a project. The front floor channels were built

without doubling as per the original plans. Current plans call for
doublers on front floor channels as well as three extra channels. Do I
need to rivet the doublers to the skin or am I just as well off to just
rivet the doubler to the existing channel? The doubled channel will be
rivetted to the existing bracket for the current single channel in any case.

Thanks
Dave J
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Drew



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