The blade tip speed limit of a propeller plane's propeller can determine the plane's top speed for reasons relating to design ...

Concorde flew at the cruising speed of Mach 2, twice the speed of sound, where even small increases in drag would have had a significant impact on fuel burn and range. A wider cross-section would have ...

14-day weather forecast for Wing.BBC Weather in association with MeteoGroup All times are British Summer Time (Europe/London, GMT+1) unless otherwise stated.