Graphical Construction Glossary >> Tools. >> Hand Tools >> Bow Saw
These tools are very simple and in many cases the wooden ones are made by their owners. The only thing to buy is the blade. Like a hacksaw or a coping saw the blade can be rotated to suit the work.
The blade in the one above is tensioned in the traditional way of tightening two cords with a tourniquet. The lever is made to just simply rest against the cross bar when the tension is applied.
At the right is a detail of an old Vietnamese saw. This one has a a timber cross bar at the top in place of the twisted cord above, so in this case the saw maker used a nut and bolt to do the tensioning of the blade.
These saws work on the pull stroke only.
One last point, taught to me more than 50 years ago but that seems to be totally ignored today. These saws rely on tension to work. A tight blade is a good blade. Never leave the saw for long periods under tension. The frame will adapt to the tension by bending and so the next time it will need more tension, and so on and so on.
Above is another type of saw entirely, which also gets called a bow saw. In this case I would say that the American term of Buck Sawis probably more appropriate.
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