Author Topic: Madsen's square testing  (Read 1692 times)

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Offline HolmenTree

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Re: Madsen's square testing
« Reply #20 on: December 14, 2017, 04:14:38 pm »
New sawchain design has come and gone over the decades.
Here's a interesting one from January 1970 issue of Chainsaw Age magazine.
Looks quite revolutionary but this was the only ad of this chain as it and its company disappeared from the face of the earth forever.

With some research this chain was originally built by a couple of partners who set up a chain plant in the late 1960's near Victoria B.C. Canada but they  quickly went out of business and sold the plant to Windsor.
They moved to California with different partners and design then took a another stab at it.
Maybe someone bought them and the patent out?
Making a living with a saw since age 16.
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