If you're talking about the "footballs" they use in plywood repairs, my
guess would be physics. A circular plug would be able to spin, while a
oval shaped one would not. This eliminates one more dimension the plug
is able to move, hopefully producing a slightly stronger joint.
It could also be that most repairs they need to make tend to be longer
than they are wide. By using an oval shaped plug, they can give you more
of the good grain and less plug.
You can only do so much with caulk, cardboard, and duct tape.
To email me directly, send a message to puckdropper (at) fastmail.fm
There is less waste. You have less waste from the material it comes from
than if it was a circle. If they were square there would be even less
Additionally they can cover a wider area, perhaps 3 small defects in a line
more easily than a circle with out having to be made too large.
On Tue, 6 May 2008 23:24:00 -0700 (PDT), Too_Many_Tools
Cause it's in the standard. "Boat" veneer patches are described and
have a maximum dimension, length, width and end radius in the standard
for manufacturing plywood.
Please don't ask me how the standard became the standard.
When the Romans invaded Spain, the Spanish were making plywood from
Spanish Cedar. All of the plugs were oval because the Moors had not yet
invaded Spain and given the circle to the Spanish. The Romans took the
oval plug home and it became the Roman Army Standard for plywood plugs.
And, just as with the guage of railroads, the Roman Army standard is in
effect to this day.
Bananas are bent so they fit in the peel for the exact same reason.
They created straight bananas. No bend, no curves. They fit into shipping
crates better and they could pack more of them into each box. That didn't
last long. Nobody bought the bananas. People are funny that way. They want
a curved banana, not a straight one.
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