Quick Answer
Ideally, a bowmaker should apply 2-3 layers of sinew for optimal backing, as it provides sufficient strength and durability while allowing for a smooth, even finish.
Choosing the Right Sinew
When it comes to selecting sinew for your bow, you should look for high-quality animal sinew, such as deer or elk. This type of sinew is strong, yet flexible, making it perfect for backing a bow. It’s essential to choose sinew that is free of debris and has a consistent texture. Typically, you’ll want to use sinew with a thickness of around 0.5-1.0 mm to ensure a smooth finish.
Applying the Sinew
To apply the sinew, start by cutting it into thin strips, about 6-8 inches in length. You’ll want to apply a small amount of hide glue to the bow’s surface, making sure to cover the entire area where the sinew will be applied. Begin applying the sinew strips, overlapping each layer by about 1/4 inch. Use a small brush to apply even pressure, ensuring the sinew is securely attached. For a 2-3 layer backing, you can apply the sinew in the following pattern: horizontal, vertical, and then horizontal again.
Tips for Effective Backing
When working with sinew backing, it’s crucial to maintain even tension to prevent the sinew from coming loose over time. To achieve this, apply steady pressure while applying the sinew, and use a consistent pattern for each layer. Additionally, make sure to leave a small margin around the bow’s edge, about 1/8 inch, to prevent the sinew from coming into contact with the bow’s surface. This will help prevent potential issues with the sinew during use.
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