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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.
Allison and Fisher raced automobiles at that track, each owning a race car team. This hobby resulted in Allison building a shop at the track in Speedway where he maintained his fleet of race cars. This shop became the site for Allison Plant #1. Fisher and Allison sold their interest in Prest-O-Lite to Union Carbide for $9,000,000. [1]
That classic new car smell comes with a hefty price tag -- especially now that the average price of a new car is nearing $50,000. Fortunately, budget-conscious shoppers can find great deals on used...
Early models were powered by a Rolls-Royce-Allison Model 250-C18 gas turbine producing a claimed 320 hp (240 kW) at 52,000 rpm. [3] Unlike some turbojet -powered motorcycles which relied on jet propulsion for thrust, the Y2K Superbike's turboshaft engine drives the rear wheel via a two-speed gearbox and chain and sprocket.
For instance the Model 250-C40, with an overall pressure ratio of 9.2:1 at an airflow 6.1 lb/s, develops 715 shp. The RR300 mates a scaled-down centrifugal compressor from the Model 250-C40/47 to a combustor and turbine similar to that of the Model 250-C20, replacing the C20's complex six-stage axial/single-stage centrifugal compressor.
Bell's original concept for a replacement for the 206LT TwinRanger was the Bell 407T, a relatively straightforward twin-engine development of the Bell 407 with two Allison 250-C22B engines. However, Bell concluded that the payload-range performance of the 407T would not be sufficient.
First prototype of the Fantrainer family. First flight in 1977 powered by two 150 shaft horsepower (110 kW) Wankel engines - 300 shaft horsepower (220 kW) in total, changed in 1978 to Allison engine. ATI-2 Second prototype. Fantrainer 400 Stretched fuselage version with metal wings, powered by a 406 kW (545 hp) Allison 250-C20B turboshaft engine.