Military jet engine tanks1/2/2024 ![]() ![]() The JT12 fit proved successful and was selected for the production versions, the first of which flew in mid 1960. ![]() The slipper tanks were removed and placed on the first prototype. The outer engines were mounted beside the inner ones, an arrangement that was later used on the Vickers VC10 and Ilyushin Il-62 airliners. Lockheed attempted to arrange a contract to produce the Orpheus in the US, but when these negotiations failed it re-engined the second prototype with four Pratt & Whitney JT12s in 1959. The second of these was also equipped with the wing-mounted "slipper tanks", which was originally to be an option. The first two prototypes were equipped with two Bristol Siddeley Orpheus engines, the first of these flying on 4 September 1957. Lockheed decided to continue the project on its own for the business market. The JetStar originated as a private project within Lockheed, with an eye to winning a United States Air Force (USAF) requirement that was later dropped due to budget cuts. It is distinguishable from other small jets by its four engines, mounted on the rear of the fuselage, and the "slipper"-style fuel tanks fixed to the wings.ĭevelopment The dual engine pods on each side It was also one of the largest aircraft in the class for many years, seating ten plus two crew. The JetStar was the first dedicated business jet to enter service, as well as the only such airplane built by Lockheed. The Lockheed JetStar (company designations L-329 and L-1329 designated C-140 in US military service) is a business jet produced from the early 1960s to the 1970s. ![]()
0 Comments
Leave a Reply.AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |