4 ms·
What I think you're missing is that the wind never drives the propeller - the wheels drive the propeller. When it first starts moving, the propeller moves the
by klochner 16y ago
What I think you're missing is that the wind never drives the propeller - the wheels drive the propeller.
When it first starts moving, the propeller moves the opposite direction from what you would expect - so that the propeller is actually pushing back against the wind from t=0.
- JoachimSchipper 16y agoYou're right - the propeller may help early acceleration by acting as a sail, but it's never rotated by the wind. Thanks for the improvement.