chainsaw
The origin is debated, but a chainsaw-like tool was made around 1830 by the German
orthopaedist Bernhard Heine. This instrument, the osteotome, had links of a chain
carrying small cutting teeth with the edges set at an angle; the chain was moved around
a guiding blade by tuWhether you are a homeowner cleaning up a few trees and limbs in the
yard, a farmer cutting firewood and keeping the pasture clear, or a firefighter cutting a firebreak
for a forest fire, you know how handy a chain saw can be!
Chain saws are also great when you are interested in getting up close and personal with gasoline
power. If you want to see a basic two-stroke engine in its simplest application, then a chain saw
is the best place to start! In this article, we'll learn about chain saws and two-stroke engines by
completely dismantling a typical 16-inch chain saw. You will also learn how magnetos,
centrifugal clutches and carbs work in the process!
rning the handle
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Oct 12, 2012 - 1949: McCulloch Motors Corp. debuts the world's lightest chain saw, the
25-pound Model 3-25. 1964: Stihl introduces its first antivibration handle, which uses
buffer elements to absorb vibrations coming from the engine and chain. Two years later,
"Good Vibrations" by the Beach Boys is a No. 1 hit.f a sprocket wheel.