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This Savoiia-Marchetti propeller is from one of the Isotta-Fraschini Asso 656 kW (880 hp) engines that powered Savoiia-Marchetti S.55.X seaplanes in the mass formation flight of twenty four aircraft led by General Italo Balbo from Rome, Italy to Chicago, Illinois and return, July 1- August 12, 1933.

 Display Status

This object is not on display at the National Air and Space Museum. It is either on loan or in storage.
Object Details
Country of Origin Italy Type PROPULSION-Propellers & Impellers Manufacturer Savoia Marchetti S.A.
 Physical Description Type: Three-Blade, Variable-Pitch, Metal Diameter: 281.9 cm (111 in.) Chord: 23.5 cm (9.3 in.) Engine Application: Isotta-Fraschini Asso 656 kw (880 hp) Dimensions 3-D (Hub and Blade): 182.6 × 43.2 × 25.7cm, 50.8kg (5 ft. 11 7/8 in. × 1 ft. 5 in. × 10 1/8 in., 112lb.)
3-D (Blades): 159.4 × 23.2 × 11.7cm, 20.4kg (5 ft. 2 3/4 in. × 9 1/8 in. × 4 5/8 in., 45lb.)
3-D (Metal Ring): 9.8 × 9.8 × 2.9cm, 0.5kg (3 7/8 × 3 7/8 × 1 1/8 in., 1lb.)
Storage (Aluminum Pallet): 153.7 × 206.4 × 69.8cm, 160.1kg (5 ft. 1/2 in. × 6 ft. 9 1/4 in. × 2 ft. 3 1/2 in., 353lb.)
 Materials HAZMAT: Cadmium Plating
Aluminum alloy, Steel, Preservative coating, Paint, Brass
 Inventory Number A19340053000 Credit Line Gift of the Italian Air Ministry Data Source National Air and Space Museum Restrictions & Rights Usage conditions apply
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