birddog36 asked:

Autorotations are used in helicopters to perform power off landings from altitude in the event of an engine failure. During an autorotation, the main rotor is not driven by a power plant, but by air flowing through the rotor disc bottom-up (imagine a windmill) while the aircraft is descending rapidly

Oferty

This entry was posted on środa, luty 3rd, 2010 at 00:00 and is filed under Autos. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.