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Make an archery mech to skip the practice

Posted on August 20, 2021 by William

According to legend, Edward III once said: “To train a longbowman, start with his grandfather.” It takes hours of practice to consistently hit with any bow and arrow accurately, especially on moving targets.Or if you are [Shane Wighton], You can spend considerable time building, debugging and rebuilding Robot reinforced bow go a head.

The target is a flying target that shoots out of the air, so [Shane] A system must be created that can track the position of the bow and the target, and automatically adjust the position of the bow and release arrows at the right time to intercept the target.Location tracking is done using the same Optitrack camera [Shane] Used on his robotic basketball hoop, there are reflective marking balls on the bow, target and release mechanism. Automatic aiming is accomplished by a two-axis rack and pinion mechanism driven by a pair of stepping motors. [Shane] First use the cheapest recurve bow he can find online, which leads to accuracy issues that may be related to the following issues Archer’s ParadoxThis setting also allows him to repeatedly hit his face, because the servo-operated release mechanism will accidentally release when his handle does not have a suitable anchor point.

[Shane] Eventually it was upgraded to a compound bow, which reduced the tension he had to maintain when lining up to shoot, but also significantly increased the weight of the system. This allowed him to fully accept the appearance of the mecha suit and use the Steadicam vest to support the weight of the bow. This ultimately allowed him to reliably shoot William Tell and hit the flying target.

Whether it’s an integrated electronic golf club, an explosive baseball bat, or a robotic pool cue, [Shane] Of course he is good at using impressive engineering skills to make up for his lack of physical skills, or just closing his eyes on purpose.

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