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Discussion Starter · #1 ·
I am building a PVC crossbow with a wooden stock. I am using a partially formed stock from a larger project that didn't work out, and I am planning on cutting it down to a smaller stock. The question I have is, what should the general relation be between the bolt length, the groove length and the prod length in the crossbow? For example, I saw one build that involved a 12" prod, a 12" stock (with the groove going halfway, so 6" on that), and 6" bolts.

Do the bolts have to match the groove length?

Should the prod be approx. the same length as the stock and twice the bolt?

Is there a general standard for the size relations of these elements?
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