Posts Tagged ‘rocket powered’
 
 
 
Green Energy
 
Dragonfly 2 seats
Dragonfly 2 seats
Dragonfly 2 seats

The Dragonfly DF1 Helicopter’s Blades Are Powered By Two Small Rockets (video)

= The Dragonfly DF1 helicopter might not be as interesting looking as that flying boat we saw a few weeks ago, but with closer examination it's certainly an impressive technological feat. Instead of using a conventional motor a...