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 ...

Finding the right prop for a ­particular boat can be a tricky task for even ... because there are so many differences in hull design, balance and power among different builders that you may ...

A member of the physics department … is to bring the scientific method to bear on the burning problem of why really good trombones sound the way they do. All trombones … do not sound the same ...