Propeller Hat
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The objective of this project was to motorize an existing propeller hat, aiming to provide softball players with a strategic advantage by distracting the opposing team.
I tested two different motors, ultimately selecting one based on its smaller size and its ability to operate without interference (e.g., getting tangled in hair). The propeller was attached to the motor using custom-fabricated components and powered by a battery integrated into the hat.
The prototype was successfully field-tested during a WHOI softball game, during which I was able to reach first base, potentially benefiting from both the distraction effect and my speed.
Phase 1 Testing
During Phase 1, the motorized propeller hat was tested during a WHOI softball game. Unfortunately, the motor lost power before it could be used during batting due to battery depletion.Â
While the hat did begin to distract players, the distraction was primarily noticed by teammates rather than the opposing team.
Lessons Learned:
Conduct thorough battery life testing with the motor running at full speed to ensure it lasts through the intended period of use.
Bring backup batteries to prevent unexpected power failures.
Communicate with teammates about the purpose of the propeller hat to avoid unintentional distractions and maintain the intended competitive advantage.
IMG_3682.MOVIMG_3717.MOVFinal Testing
Prior to the next game, the battery runtime was tested and determined to last approximately 25 minutes. To ensure sufficient power during gameplay, eight backup batteries were brought. Team members were informed about the potential distraction caused by the propeller hat ahead of time.
During the game, the propeller hat successfully distracted the opposing team. The pitcher made multiple remarks about the hat during her pitching, and the opposing team's captain also commented on it. One unexpected observation was the potential aerodynamic benefit of the propeller while running; the first baseman remarked that it might function similarly to a plane propeller. Further research would be needed to confirm this effect.
Future Questions/Goals:
Investigate whether the propeller provides a measurable speed advantage while running.
Develop a more secure method of attaching the propeller to prevent it from getting stuck on the side of the hat.
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