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Data from The Instrumentation Design And Control of a T63-A-700 Gas Turbine Engine General characteristics Type: Turboshaft Length: 40.5 in (1,029 mm) Diameter: 22.5 in (572 mm) Dry weight: 138.5 lb (63 kg) dry Components Compressor: 6-stage axial + 1-stage centrifugal compressors Combustors: Single can combustion chamber Turbine: 2-stage axial gas generator power turbine + 2-stage axial free ...
The original 206L used an Allison 250-C20B engine, and a series of model upgrades replaced this engine with more powerful versions; the 206L-1 used a 250-C28, and the 206L-3 and 206L-4 used the 250-C30P. In both applications, the 250-C30P is derated from 650 hp for takeoff and 501 hp continuous.
Data from MD500E Performance Specifications, The International Directory of Civil Aircraft General characteristics Crew: 2 Capacity: 3 passengers Length: 32 ft 7 in (9.93 m) Height: 8 ft 9 in (2.67 m) Empty weight: 1,591 lb (722 kg) Max takeoff weight: 3,550 lb (1,610 kg) Powerplant: 1 × Allison 250-C30 turboshaft engine, 650 shp (480 kW) Main rotor diameter: 27 ft 4 in (8.33 m) Main rotor ...
To meet an Italian Army requirement for a short take-off liaison aircraft, SIAI-Marchetti modified the design of the Cessna 305A/O-1 Bird Dog with a new turboprop engine and a revised tail unit. The prototype first flew on 24 May 1969 powered by a 317 hp (236 kW) Allison 250-B15C turboprop engine.
During the 1990s, some Bell 222s were modified with the 222B's engines and 230's Allison 250-C30G engines for improved single engine (engine-out) performance, and redesignated as 222SPs. [6] Bell 430 In 1995 the Bell 430, a stretched 230 (adding another seating row), was launched, with uprated engines and a four-blade main rotor.
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Aquarius season 2025 is upon us! On January 19, 2025, the Sun enters the sign of the Water-Bearer, bringing us the desire to be objective and think with the end in mind.
The RR300 is the second attempt to develop a lower-rated version of the Model 250, coming 20 years after the 350 shp Allison Model 225 of 1987. [ 2 ] The five-seat Robinson R66 light helicopter features the RR300 as a turboshaft engine, Robinson having originally intended on utilizing the standard Model 250-C20.