Built to fly the North Atlantic, with potential for development as a commercial transport, the Piaggio P.23 had inverted-gull shoulder-mounted wings and was powered by four 671kW Isotta Fraschini Asso XI R V-12 engines mounted in tandem pairs and driving two tractor and two pusher propellers. It had retractable main landing gear units and twin fins and rudders. A distinctive
feature was the 'avion marin' boat-type hull underside to the fuselage, intended to assist in an emergency if the aircraft had to alight on the sea.
Maximum take-off weight was 18,400kg and maximum speed a claimed 400km/h; at a cruising speed of 300km/h its range was estimated to be 5100km. However, no transatlantic flight was made and the aircraft was dismantled soon after its appearance in 1935.
| ENGINE||4 x Isotta-Fraschini Asso XI R, 671kW|
| Take-off weight||18400 kg||40565 lb|
| Max. speed||400 km/h||249 mph|
| Range||5100 km||3169 miles|
|Marco Riva, 30.08.2010|
It was dismantled because it crashed during trials.
Italian brilliance... building such a capable plane - then dismantling it!
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