10d (edited) • High Performance Hunting Bow
High performance Hunting Bow Build: Floor Tillering
Take the newly thinned by and put the limb tip on the ground putting pressure on the handle area. The limbs may still be too stiff to move at this stage. Check where if any bend occurs and mark the stiff areas of the limbs. We then return the bow to the vice and remove material from the stiff limb areas. The shinto rasp is best suited for the job at this stage.
Once the limb is bending to a moderate degree we can turn the bow sideways in the vice. We can then bend the bow by hand sighting down the limb for any stiff spots. Mark the stiff areas before removing material with the shinto rasp once more. We can then exercise the limbs between material removal and re-marking stiff areas. Exercising the limb is as simply as flexing the limbs by hand to allow the wood to gain a new memory essentially training the limbs to bend.
Additionally you can run a tillering gizmo over the limbs while held in the vice sideways. This will help you remove material where needed if you want to double check your own tiller. A tillering gizmo will be discussed in another post or you can search on YouTube to create your own.
Left photo: An example of floor tillering the stave. Right photo: Thinning stiff areas on the limb with a shinto rasp.
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High performance Hunting Bow Build: Floor Tillering
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