The ALF 502 and its LF 507 development form a family of geared turbofan engines produced by Lycoming, AlliedSignal and Honeywell Aerospace, and the United States military designation of the ALF 502 is YF102. It grew from a T55-derived turbofan that Avco Lycoming advertised in 1970 for the Air Force A-X close air support competition, where Northrop chose it for the YA-9, and a derated commercial ALF 502D followed in 1971. The ALF 502L powered the Canadair CL-600 Challenger, which first flew in November 1978, and the ALF 502R-3 powered the four-engined British Aerospace 146, the engine's biggest customer, which entered service in 1983. In all, 1,019 ALF 502 engines were produced, followed by 818 engines of the LF 507 series announced in 1988. Honeywell sold the type certificate to CFS Aeroproducts in 2020.
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Source Lycoming ALF 502 (Wikipedia)
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Source Lycoming ALF 502 (Wikipedia)Lead, producersQuote, Lead, producers
(later Honeywell ALF 502/LF 507) is a geared turbofan engine produced by Lycoming Engines, AlliedSignal
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Lycoming ALF 502 (Wikipedia)
Lead, producers
(later Honeywell ALF 502/LF 507) is a geared turbofan engine produced by Lycoming Engines, AlliedSignal
In Group: Turbojet and Turbofan Engines, Lead, engine type
is a geared turbofan engine produced by Lycoming Engines
Part Of: Bombardier Challenger 600 series, Development, Challenger
The CL-600 Challenger first flew in November 1978 and was powered by the 7,500 lbf (33 kN) ALF 502L-2
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