2,561
edits
mNo edit summary |
m (some of these may be useful for references or possibly even inclusion) |
||
Line 1: | Line 1: | ||
http://travel.howstuffworks.com/helicopter.htm | * http://travel.howstuffworks.com/helicopter.htm | ||
http://www.helicopterpage.com/ | * http://www.helicopterpage.com/ | ||
http://en.wikipedia.org/wiki/Helicopter | * http://en.wikipedia.org/wiki/Helicopter | ||
* http://en.wikipedia.org/wiki/Helicopter_flight_controls |
edits