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The Bell X-14 (Bell Type 68) was an experimental VTOL aircraft flown in the United States in the 1950s. The main objective of the project, was to demonstrate horizontal, vertical takeoff, hover, transition to forward flight, and vertical landing.
Eerst nog even over de vorige kist. Eigenlijk vind ik de verhaaltjes erbij nog interessanter dan de kisten zelf:
Bell X-14
Built under a US Air Force contract, the X-14 used a planar array of diverter vanes to vector the exhaust of two Armstrong Siddeley ASV8 Viper engines (1,750 lb thrust each) at the center of gravity (c.g.). The vanes could be rotated to direct the exhaust from vertical to nearly horizontal. The 25 ft fuselage and tail were from a Beech T-34; the 34 ft span wing was from a Beech Bonanza. The lack of a ejection seat limited hover testing to very low and very high altitudes. The gross weight was originally only 3,100 lb. The landing gear had to be lengthened when the phenomenon of suck-down was first discovered. Engine gyroscopic effects and exhaust gas reingestion were also encountered. First hover flight was achieved on 17 February 1957; first transition was made on 24 May 1958. The Viper engines were replaced with higher power GE J85 engines when it was transferred to NASA in 1960. It was eventually fitted with a digital fly-by-wire control system and continued flying as a V/STOL testbed until 1981!
De nieuwe opgave:
[edit] Er stond eerst een ander plaatje van dezelfde kist, maar daar stond wel heel duidelijk op de staart wat het is [/edit]
This flawless work of art has won numerous Grand Champion awards. Only 32 of these beauties were ever built. This one is serial number 17 of the production line. Only six are currently flying. The original owner was the Texas company (now Texaco Oil). It was lend-leased to the RAF during WWII.
What Campini did in his thermojet was place a piston engine within an enclosed duct, as illustrated above. The mechanical energy of this engine was used to turn three propellers placed behind the engine. Two of these ducted propellers were used to compress the incoming air while the third helped to direct the flow and minimize turbulence within the engine. This compressed air was mixed with fuel by means of a ring of kerosene injectors in the aft portion of the duct. The mixture was then combusted and exhausted out of the nozzle at high speed to produce thrust. Conceptually, the engine can almost be thought of as adding an afterburner to a piston-powered propeller engine.
Voor Jan, die de verhaaltjes zo leuk vindt:
"Heinkel He 178" buvo kuriamas kaip bandymų laboratorija turboreaktyviniam varikliui "HeS 3B". Pirmą kartą lėktuvas pakilo 1939 metų rugpjūčio 27 dieną ir tapo pirmuoju pakilusiu lėktuvu su turboreaktyviniu varikliu. Nepaisant techninio gedimo, dėl kurio važiuoklės nepavyko įtraukti, skrydis buvo sėkmingas. Vėlesnių skrydžių metu buvo sukaupti tyrimų duomenys, kurie pasitarnavo kuriant "He 280".
Ik zal een hint geven.
Het toestel is ontworpen door een Fransman en gebouwd door een Amerikaan die het patent van de gebroeders Wright wilde aanvechten.
De naam bestaat uit de naam van de Fransman, de Amerikaan, en een vogelnaam (nee niet Swan...)
Ik zal eerlijk zeggen dat als ik de volledige naam bij Google invul ik maar één vermelding krijg... dus misschien is-ie wel te moeilijk...
Bart