http://vimeo.com/23732541

It is made to spin between two bearings and hold it exactly in line so that the excess wood can be scraped out. An offset propeller is one example where you can drill long holes with boring bars. To get everything exactly in place, a boring bar is used to drill for wooden boat a pilot whole. The cutter cuts accurately and can come in and out. You can drill through thick wood and adjust until it is perfected. Although it leaves a rough finish, it scrapes it up and eventually smoothen it.

A spinning bar doing the boring can be aided by a small piece of wood to have it continuously bore a hole since the first few minutes of drilling creates a vibrating motion. For a faster precision, metal is used for a fast paced spinning boring bar. Big portable electric drills power the boring bars which are hard to beat in terms of convenience. Although you will use boring bars in different instances, the boring bars principles remain to be just the same. You will need two bearings, the bar and its adjustable cutter and the power to make it spin. It can also be set up with any conventional drilling apparatus on a specific task.

Instead of wood, metal bearings can also be utilized to have the boring bars work with the exact precision. Depending on the material to be bored, you will need the appropriate cutter to ensure that you will get through the material by means of boring a hole on to it with the use of a boring bar.

Filed under: Wooden Boat Plans

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