Blades from Gas Turbines and Compressors

Images From the Collection of Paolo Pisani


HPT = High Pressure Turbine
LPC = Low Pressure Compressor
LPT = Low Pressure Turbine
NGV = Nozzle Guide Vane



Rolls-Royce Olympus 593 HPT Blade (from the Concorde)

Made of NIMONIC, it is really heavy. Notice the cooling holes running through the length of the blade.


Rolls-Royce Olympus 593 LPC 2nd Stage Blade

About 40 cm long, it has no midspan shroud -- a great achievement for such an old engine!


Rolls-Royce Olympus 593 LPC 5th Stage(?) Blade

It is peculiar for its fir tree root and double locking pin.


Rolls-Royce Olympus 593 Low Pressure Turbine Nozzle Guide Vane

Notice the green color in areas where heat has most affected the material.


Rolls-Royce RB199 Turbine Blade

Although the blade is very small there are plenty of cooling holes for both film and convection cooling.


Rolls-Royce BR700 Turbine Blade

This blade is really intricate! Notice more than 130 cooling holes even in places you wouldn't imagine.


General Electric CF34 3A Fan Blade

Made of titanium, it is about 35 cm long and weighs 1.1 kg. The complex root shape is fully machined.
Tungsten carbide inserts, used to reduce wear, are visible in the last two images.


General Electric CF6-50 Fan Blade from an Airbus A300

Made of titanium, it is about 71 cm long and weighs 3.5 kg.


International Aero Engines V2500 Fan Blade

The wide-chord hollow titanium blade is about 60 cm long and it weighs 4.5 kg. Note the highly twisted shape.


Rolls-Royce Pegasus 1st Stage Fan Blade

About 45 cm long, it weighs 1.6 kg.


More Gas Turbine Images from the Deutsches Museum Flugwerft Schleißheim