Technical data

• The Tay is a two-shaft high-bypass ratio engine.
• 44-45 inch diameter wide-chord fan with three stages of LP compressor to the rear
• 12-stage HP compressor
• Annular combustion system, consisting of ten combustors
• Two-stage HP turbine
• Three-stage LP turbine
• The majority of the bypass duct is constructed in carbon fibre composite material
• Cold bypass air and hot exhaust are combined in a forced mixer that gives good propulsive efficiency and low noise generation

Engine	EIS	Power	Applications	Seats*	Range (nm)*
Tay 611	1987	13, 850lb 62 kN	Gulfstream IV	3-19	4100
Tay 611	1993	13 850lb 62kN	Gulfstream IV-SP	11-19	4100
Tay 611	2003	13,850lb 62 kN	Gulfstream G300	11-19	3600
Tay 611	2003	13,850lb 62kN	Gulfstream G400	11-19	4100
Tay 611 improved	2004 (planned)	13,850lb 62kN	Gulfstream IV (updated)	-	-
Tay 620	1988	13,850lb 62kN	Fokker 100 Fokker 70	79	2020
Tay 650	1989	15,100lb 67kN	Fokker 100	107	1680
Tay 651	1992	15,400lb 69 kN	Boeing 727-100	-	-
*Aircraft Manufacturer's Data