glider

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Best Syma S107 Micro RC Helicopters | Christine's Product Reviews This mini helicopter is the perfect size if you live in a small apartment and the built-in gyroscope is the reason for this because it contributes greatly to the balance and ease of flight.
Sukhoi Su-57 - Wikipedia
T-50 will be the first operational stealth aircraftin Russian service. Similar to Western stealth fighters like the F-22, the airframe incorporates planform alignment in its leading and trailing edges and sawtooth edges for its skin panels.[63] The serpentine inlet obscures most, but not all, of the compressor face of the engine. The production aircraft will incorporate radar blockers similar in principle to that of the F/A-18E/F to hide the compressor face from all angles. The T-50's stealthy features are most apparent in the forward hemisphere; the shaping of the aft fuselage is much less conducive to radar stealth.[60] The production T-50 is estimated to have reduced the radar cross-section to that of a tennis ball from optimal angles.
phototrouble.com
Air Hogs Havoc Stinger - Green Ch C by Air Hogs. $49.94. Get ready to swarm the skys with the Air Hogs Hovac Stinger. ^This lightweight, remote-control helicopter adds action to any indoor play area, inspires imaginative play, and teaches principles of flight to future pilots. ^With cool, bug-eye cockpit, this chopper is designed to keep kids aged eight and up busy for hours^^. From the Manufacturer The incredibly small Havoc Stingers are super ...
The Nike Air Flight Huarache was the product of the mastermind of Tinker Hatfield inspired by a Mayan sandal but with comfort and cushioning like none other. Keeping the Nike principle at heart, the shoe was stripped of excess and unneeded materials to produce something lightweight as well.
Canoe Created by an engineer who is Japan’s foremost authority on paper airplanes (!), White Wings are high performance paper gliders designed to fly just like real airplanes. Made with high quality Kent paper and based on scientific principles, each design is the result of extensive research and testing. When properly tuned and under good conditions, White Wings are capable of catching thermals and gaining altitudes for unbelievably long flights (up to 300 yards).
The Aerodynamics of Flight
The Aerodynamics of Flight this is applied to planes, but it gives a good tie-in to the studies we did on birds to figure out planes.