Heartbeat EKG design with propeller for powerboat lovers, yacht owners, sailors, weekend captains and all who love their boat and spend every free minute or vacation on it. Also suitable as a ...

The Propeller saw commercial success, and continues to have a loyal following. This week’s Hacklet is about some of the best Propeller projects on Hackaday.io! We start with retrocomputing prop ...

Test results of the different boat propeller designs. (Credit: rctestflight) Interestingly, the 2-blade FDM-printed propeller ended up performing the best, while the bi-blade design (with two sets ...