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Tay,Spey & Dart
The Tay 611-8 powering the Gulfstream
GIV, GIV-SP, G300 and G400 aircraft is renowned for
its reliability. The latest Tay engine 611-8C for
the Gulfstream G450 includes the incorporation of
an electronic engine control system (FADEC).
The latest Tay edition continues with the record reliability
set over the last 40 years by the preceding Rolls-Royce
powered Gulfstream GI (Dart powered), GII, and GIII
(Spey powered).
Due to its outstanding performances Rolls-Royce Tay
powered aircraft are being outfitted for a variety
of special mission applications such as VIP transport
or multi-role surveillance operations. The Gulfstream
GIV and GIV-SP are widely used for special mission
purposes, with more than 50 aircraft in service with
governments world wide.
The Spey engines also power a range of military aircraft,
the Dart engine still operates on Fokker 27 in many
countries.
The Tay 650 on the Fokker 100 aircraft model provides
- compared to the older Tay 620 - an increased maximum
thrust for take-off, climb and cruise, plus efficiency
improvements through an increase in fan diameter and
an advanced high-pressure turbine. The Fokker 100
serves major airlines on regional routes all over
the world. Other Tay engine applications include the
re-engined Boeing 727 (Tay 651) and the Fokker 70
(Tay 620). |
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| View
cross-section of the Tay |
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| View
cross-section of the Spey |
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| View
cross-section of the Dart |
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Technical
details
The Tay is a two-shaft high-bypass ratio engine.
It consists of a 44-45 inch diameter wide-chord
fan with three stages of LP compressor to the
rear, a 12-stage HP compressor; annular combustion
system, consisting of ten combustors; a two-stage
HP turbine; and three-stage LP turbine. The majority
of the bypass duct is constructed in carbon fiber
composite material. Cold bypass air and hot exhaust
are combined in a forced mixer that gives good
propulsive efficiency and low noise generation. |
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| - Today's fleet
of over 750 Tay-powered aircraft has accumulated
over 14 millions flight hours in service |
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| - The average
Tay 650 engine basic despatch reliability consistently
achieves or exceeds 99.95 %. |
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| Engine |
Tay 651 |
Tay 650 |
Tay 620 |
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| Entry into Service |
1992 |
1989 |
1988 |
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| Max Take-off Thrust |
15,400lb (68.4 kN) |
15,100lb (67.0kN) |
13,850lb (61.5kN) |
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| Aircraft Applications |
Boeing 727-100RE |
Fokker 100 |
Fokker 100/70 |
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| Max Passg.* |
- |
107 |
79 |
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| Max Range (nm)* |
- |
1,680 |
2,020 |
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| Engine |
Tay 611-8 |
Spey 511 |
Dart 529 |
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| Entry into Service |
1987 |
1968 |
1959 |
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| Max Take-off Thrust |
13,850lb (61.5kN) |
11,400lb (50.6kN) |
2,210shp |
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| Aircraft Applications |
Gulfstream GIV, GIV-SP, G300, G400 |
Gulfstream GII, GIII |
Gulfstream GI |
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| Max Passg.* |
19 |
19 |
19 |
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| Max Range (nm)* |
4,200 |
2,613 / 3,691 |
1,938 |
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| *Aircraft Manufacturer's Data |
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Further information |
Tay
CorporateCare™ Package
Total engine maintenance cost programme,
simple and flexible comprehensive cost per
flight hour service.
Contact
us
Tay
customer training
Course information, schedules and contacts
Tay, Spey &
Dart Repair & Overhaul
Rolls-Royce offers full repair and overhaul
facilities for these products in the following
countries:
- Brazil
- Canada
- UK
- USA (Tay only) |
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