Boeing T60

Model 520 / T60
Type	Turboshaft / Turboprop
National origin	United States
Manufacturer	Boeing
Developed from	Boeing T50 / Model 502

The Model 520 (military designation Boeing T60) was a family of small turboshaft / turboprop engines produced by Boeing, based on Boeing's earlier Model 500 gas generator and Model 502 turboshaft engines.

Variants 1
Specifications (520-6) 2
See also 3
References 4

Variants

YT60-BO-2A: Military turboshaft verion for testing.
520-2: (YT60-BO-2A) Free power turbine turboshaft rated at 475 hp (354.21 kW)
520-4: Turboprop rated at 475 hp (354.21 kW)
520-6: Direct drive turboshaft rated at 550 hp (410.13 kW) military power
520-8: Turboprop rated at 550 hp (410.13 kW)

Specifications (520-6)

Data from Jane's All the World's Aircraft 1962-63^[1]

General characteristics

Type: Turboshaft
Length: 54.1 in (1,374 mm)
Diameter: 25.14 in (639 mm) maximum height
Dry weight: 250 lb (113 kg)

Components

Compressor: Single-stage centrifugal flow
Combustors: 2 reverse flow can combustors
Turbine: 1x radial gas generator power turbine stage
Fuel type: Aviation kerosene
Oil system: pressure spray/splash, oil specification: MIL-L-7808

Performance

Maximum power output: 550 hp (410.13 kW) military rating at 6,000 output shaft rpm
Overall pressure ratio: 6:1
Air mass flow: 5.5 lb (2 kg)/sec
Turbine inlet temperature: Jet pipe Temperature: 1,025 °F (552 °C)
Specific fuel consumption: 0.67 lb/hp-hr (0.41 kg/kW-hr)
Power-to-weight ratio: 2.2 hp/lb (3.616 kW/kg)

References

^ Taylor, John W.R. FRHistS. ARAeS (1962). Jane's All the World's Aircraft 1962-63. London: Sampson, Low, Marston & Co Ltd.

Gunston, Bill (2006). World Encyclopedia of Aero Engines, 5th Edition. Phoenix Mill, Gloucestershire, England, UK: Sutton Publishing Limited. p. 79.
Leyes II, Richard A.; William A. Fleming (1999). The History of North American Small Gas Turbine Aircraft Engines. Washington, DC: Smithsonian Institution.
Taylor, John W.R. FRHistS. ARAeS (1962). Jane's All the World's Aircraft 1962-63. London: Sampson, Low, Marston & Co Ltd.

Boeing model numbers

Aircraft	1 2 3 4 5 6 6D 6E 7 8 10 15 16 21 40 42 50 53 54 55 58 63 64 66 67 68 69 72 74 75 77 80 81 83 89 93 95 96 99 100 101 102 200 202 203 204 205 214 215 218 221 222 223 226 227 234 235 236 246 247 248 251 256 264 266 267 273 280 281 294 299 300 306 307 314 316 344 345 367 367-80 377 400 450 451 464 466 474 479 701 953 707 717 (i) 717 (ii) 720 727 733 737 739 747 757 767 777 787 2707

Turbine engines	502 520 550

Vessels	929

Other	Boeing Customer Codes

United States military gas turbine aircraft engine designation system

Turbojets	J30 J31 J32 J33 J34 J35 J36 J37 XJ38 J39 J40 XJ41 J42 J43 J44 J45 J46 J47 J48 XJ49 J51 J52 J53 J54 J55 J56 J57 J58 J59 J60 J61 J63 J65 J67 J69 J71 J73 J75 J79 J81 J83 J85 J87 J89 J91 YJ93 J95 J97 J99 J100 YJ101 J102 J400 J401 J402 J403 J700

Turboprops/ Turboshafts	T30 T31 T33 T34 T35 T36 T37 T38 T39 T40 T41 T42 T43 T44 T45 T46 T47 T48 T49 T50 T51 T52 T53 T54 T55 T56 T57 T58 T60 T61 T62 T63 T64 T65 T66 T67 T68 T69 T70 T71 T72 T73 T74 T76 T78 T80 T100 T101 T400 T405 T406 T407 T408 T700 T701 T702 T703 T706 T708 T800

Turbofans	TF30 TF31 TF32 TF33 TF34 TF35 TF37 TF39 TF41 F100 F101 F102 F103 F104 F105 F106 F107 F108 F109 F110 F112 F113 F117 F118 F119 YF120 F121 F122 F124 F125 F126 F127 F128 F129 F135 F136 F137 F138 F400 F401 F402 F404 F405 F408 F412 F414 F415

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Categories

Turboshaft engines 1950–1959

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Boeing T60

Boeing T60

Contents

Variants

Specifications (520-6)

General characteristics

Components

Performance

See also

References

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