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SHORTEST_ANSWER: Shape bow limbs from natural wood by first selecting straight grained branches, then using a drawknife or spokeshave to peel and shape the wood, and finally using sandpaper to smooth the final surface.
Selecting and Preparing the Wood
When selecting a branch for your bow limb, look for straight grained wood that is free of knots and other imperfections. The ideal branch should be around 1-2 inches in diameter and 3-4 feet long. Cut the branch from the tree, then use a drawknife to remove the bark and any unwanted material. Next, use a spokeshave to peel the wood, starting from the center and working your way outwards. This will help to create a smooth, even surface.
Shaping the Limb
To shape the bow limb, use a series of gentle curves to create a smooth, tapered form. Start by shaping the limb to a gentle “S” curve, then use a series of smaller curves to create a more refined shape. Use a combination of drawknives and spokeshaves to achieve the desired shape, working from the center of the limb outwards. Be careful not to over-shape the limb, as this can weaken the wood and compromise the bow’s performance.
Final Sanding and Fitting
Once the limb is shaped, use progressively finer grits of sandpaper to smooth the surface. Start with coarse grit (80-100) and work your way up to finer grits (220-240). This will help to create a smooth, even surface that will provide a solid foundation for your bowstring. Finally, use a bow limb gauge to check the shape and dimensions of the limb, making any necessary adjustments before moving on to the next stage of bow making.
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