Sounds reasonable to me, with 1 change. Leave about 4" in the center of the table end with only a 3/4" tongue. This will help to keep the 3/8 thick breadboard edge from warping as seasons change.
Art
Sounds reasonable to me, with 1 change. Leave about 4" in the center of the table end with only a 3/4" tongue. This will help to keep the 3/8 thick breadboard edge from warping as seasons change.
Art
Like one strong breadboard bordering on overkill.
Pete
Hello everyone,
I have done breadboard ends on 3/4" thick material before and I have always used a 1/4" tongue, 1:1:1. I have never made a breadboard end on anything thicker before.
The big 'ash table I am working on is about 3' wide 6' long, 1-3/4" thick. I was wondering what ratio I should use?
Here is what I was thinking,
A 6" wide breadboard end, 1" tongue thickness, 3" deep.
That would leave 3/8" of breadboard top and bottom and 3" of solid material behind it.
How does that sound?
Thanks,
David.
Rule of thumb for a tenon is 1/2 to 1/3 the thickness of the board, so
5/8 to 7/8 thick tenon. If it is too thick, the bread board doesn't have enough meat to hold well, although as heavy as you are making it, I would think that it would be ok. robo hippy
My gut would say that closer to the 1:1:1 ratio would be optimal.
I think is was FWW that did an article on this a while back. They had a bot more complicated tennon arangement. The tennon was only 3/4" deep all the ay across but had 2-1/2 deep by 2" wide (roughly) segments spaced about a foot apart.
Ascii rendering: .--H-----H-----H-----H-----H--.
The breadboad was pinned through the "toungues", A tight pin in the center and sloted holes for the pins on the sides.
-Steve
Dave,
I built a 4' wide, 7' long farm table top last year with breadboard ends - big and heavy. I don't have the url for the article anymore but the advice was something along these lines:
Here's a suggested width for the tongue widths and gaps between the tongues on the tabletop:
2"gap -- 8"tng -- 2"gap -- 8"tng - 2"gap -- 8"tng -- 2"gap = 36"The breadboard mortises (8" wide ) must be slightly wider to allow for wood movement.
| | | | | Tabletop End |
----| |----| |----| |---- |________| |________| |________|
^^^Breadboard fits on this end ^^^^
Bob S.
Dave, With a top that thick, why bother with breadboard ends. Unless its part of the style/design, I doubt that doing breadboard ends will do nothing but cause problems you don't need with that heavy of material. I may be wrong but I'd just finish the ends and let the heft of the top speak for it self.
Dave
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Dave,
I haven't read the article but in the Feb issue of FWW there is an article that may have more info for you.
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