https://www.msn.com/en-us/money/smallbusiness/we-put-a-propeller-on-the-bike-it-s-more-efficient/vi-AA1MVAgs?ocid=msedgntp&pc=EDGEDSE&cvid=6a49339f330d46ed8f3edeb69ead4a33&ei=36

Adding a propeller to a bike is a creative way to experiment with alternative propulsion. This unique modification can improve efficiency and make riding more fun. Trying unusual ideas encourages innovation and hands-on problem solving. Watching the bike in action is both entertaining and inspiring for tinkerers. Everyone can enjoy experimenting with creative ways to upgrade ordinary vehicles.