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Prototypes (Development versions)
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Even the first prototype strongly resembles the currect production version. For this version, we used lead counterweights, a narrow sling trough, and a three piece paperclip trigger system
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By the second prototype, the design of the frame was solidified. Several combinations of sling length, projectile size and counterweight mass were tested on this chassis to maximize the range. Three different approaches to the trigger were tested before settling on the friction pin and catchplate.
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The first production version (deluxe kit shown). All the development finally lead to a production kit that when assembled had consistent range and quality.
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