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Bell X-1

Bell X-1
X-1 #46-062 "Glamorous Glennis"
X-1 #46-062 "Glamorous Glennis"
TürüDeneysel roket uçak
Ulusal köken ABD
ÜreticiBell Aircraft Corporation
İlk uçuş19 Ocak 1946
Ana kullanıcıUSAF
Diğer kullanıcılarNASA

Bell X-1, orijinal adıyla XS-1, müşterek National Advisory Committee for Aeronautics (NACA)(en)-USAF süpersonik araştırma projesi ve bu proje dâhilinde ses hızını aşan ilk insanlı uçaktır. Genellikle gizli tutulan X-serisi uçakların ilkidir. II. Dünya Savaşı'nda Almanların savaş sonunda jet motorlu uçak geliştirmesi o yılların teknolojik rekabeti olan hava hız rekoru için ilham kaynağı olmuştur. Savaştan sonra bütün ülkeler artık klasik içten yanmalı motorun uçaklarda kullanılamayacağını anlamıştır. Bu doğrultuda ABD ses üstü hıza çıkılıp çıkılamayacağını araştırmak için X-1 projesini başlatmıştır. X-1 tam anlamıyla bir uçak değildir. Çünkü yerden havalanamazdı. X-1 USAF'a ait bir uçak tarafından gökyüzüne çıkarılır ve boşluğa bırakılırdı. Bir süre sonra pilot roketi ateşler ve deney başlamış olurdu. Deney başarısız olsaydı pilotu kabinden fırlatma sistemi olmadığından pilot ölecekti. Fakat X-1 ses hızını sorunsuz geçmiş ve süzülerek iniş yapmıştır. Aracın pilotu ses hızına yaklaşırken uçağın parçalanacak gibi titrediğini ses hızını geçince ise uçak uzaydaymış gibi kendini boşlukta hissettiğini söylemiştir. Böylece ABD ses hızının geçilebileceğini kanıtladığı gibi bunu başaran ilk ülke olmuştur.

Chuck Yeager "Glamorous Glennis" adlı X-1'in önünde

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