Boeing 720: The Unique Boeing Jet…
In many ways, the Boeing 720 is the odd one out when it comes to Boeing jets. All other Boeing-made jets follow the "7x7" naming convention, whilst the 720 does not, much to the annoyance of avgeeks the world over!
Despite this, over a nine year period, Boeing sold 154 copies of the jet, many of which would have service lives that spanned well over 40 years. In fact, one was so good, its service life spanned a total of 50 years!
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Pre-Boeing 720
During WWII, both sides began developing jet engines. By the end of the war, Britain not only had a working jet engine, but also a working jet fighter, the Gloster Meteor, which entered service in July 1944.
Following the war, airlines began demanding their own jet aircra...