Really well stated Mr. Weston!
Even the world's best glue has to be used right.
Frank Weston wrote;
<<There is absolutely nothing wrong with using CA for a repair so long as the
repair is done properly. Almost all adhesives work very poorly in tension
and very well in shear, so the trick is to use the proper combination of
adhesive, reinforcement and geometry to make sure that the strongest,
stiffest repair is made, which typically means adhesive acting in shear.
Simply butt gluing pieces of a key with any adhesive will be a poor repair,
since the adhesive will be acting under tension/compression. Using
reinforcing pieces not only provides stiffening material, but makes it
possible for the adhesive to act in shear. CA and carbon fiber is a good
combo, as is CA and wooden veneer. CA alone on a joint that will not be
stressed in tension can also make a good repair. An example of this kind
of repair is a break where the wood is splintered along the grain, but not
across the grain in a key.
To summarize, nothing is wrong with CA so
long as you use it correctly.>>
B. Simon
Phoenix
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