Projectile Launcher, Launch a projectile at any angle from -15° to 90° straight up., Each

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Here is the corrected text: This comprehensive lab guide teaches 2-Dimensional Motion, muzzle velocity, and launch angle. Constructed from heavy-gauge steel, it ensures accurate and repeatable trajectories and distances due to its fine-tune launch mechanism and minimal ball spin. The launcher features a 1-degree increment launch angle resolution and a fine-thread adjustable launch force. The EISCO Projectile Launcher is a durable, unbreakable spring-loaded device with an aluminum construction and hardened steel latches. It boasts a string release trigger mechanism with two bore sights and pivots from horizontal to 90 degrees. The included 19mm diameter ball with a hole ensures easy use in a fixed launch position, resulting in trajectories that vary less than 1cm because the ball does not spin when launched. This package includes an assembled spring-loaded gun, two aluminum balls, a protractor, a plumb bob, and complete operating instructions.