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What You’ll Need
If you plan to build along with us then here’s what you’ll need to follow the same Jack Plane design:
Iron – I’m using a Hock blade complete with cap iron (chip breaker) made to fit the Stanley No. 4 and 5 Bailey planes. In the UK, I found mine from Classic Hand Tools. I was spoiling myself with this and you certainly don’t need to be buying a new blade. An old iron from a Stanley plane will also fit in the measured plans and we’ll cover how to get around that little bulbous bit on the cap iron. Of course if you have an iron to hand then any other iron will also work, you’ll just have to accommodate for any difference in the width once you see the drawings. Using a double iron is recommended as it allows us to be a bit more loose with our tolerances during the build and still have a great tool for dealing with tear out.
Blank Dimensions – If you’ve got the same size iron as the No. 4 or 5 Stanley Bailey type then your timber blank will be approx:
16″ (400mm) long x 3 1/4″ (80mm) wide x 2 5/8″ (65mm) high.
These dimensions are rough as we’ll refine to the exact size once it’s all re-laminated. If you’re not using the same size iron as me then you’ll need to alter the width of the blank by the difference in your iron – mine is 2″ wide.
If you aren’t planning to build a Jack plane then you should plan the length of plane you want to build and add a couple of inches for cutting off after lamination.
Three Piece Blank – If you’re not ripping out of a solid blank you’ll need:
A centre piece which once planed will be finished at a width just over that of your iron.
Two side pieces are finish planed to approx. 3/8″ (8mm ish), so rough sawn 1/2″.