To the Editor of the New-York Times: In your issue of last Sunday I was much surprised to find a communication signed W, advocating the use of the double-propeller or "twin-screw" for our naval ...

Package Includes: there are 6 pieces of F4U spare RC plane propellers and 3 pieces of plane adapters, enough quantity to meet your using and replacement needs, no worry about that you will run out ...

The ferry is 24 metres long and is equipped with a 246 KWh liquid-cooled energy storage solution. It also features twin screw propellers for enhanced manoeuvrability. Its catamaran aluminium hull ...

You are able to gift 5 more articles this month. Anyone can access the link you share with no account required. Learn more. The U.S. National Toboggan Championships at the Camden Snow Bowl is ...

For the last few years, [Ytai] has been working on the IOIO, a device that connects your Android devices to the other homebrew peripherals. There’s a new version of this really cool board out ...