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...rcraft is fitted with two metal, ground-adjustable, contra-rotating Ratier propellers. The rear propeller shaft is hollow, allowing the front shaft to rotate ins

...ounted in the tail. The propellers, also known as "centripetal supersonic propellers", were a new design idea. The plane was a design study and is not airworth

...1B fuel injected flat four piston engines driving two blade constant speed propellers. P.68TC - Two 155kW (210hp) turbocharged Textron Lycoming TIO360C1A6Ds.

...ree models, the "Superturismo", l ' "Italy" and "Zeta", all with motorized propellers [[NASCAR Minarelli|Minarelli]] were offered for sale in the [[1961]].

...his engines he designed a [[hydrofoil]] powered by one of his engines and propellers.

...r]]s for propulsion. The motion may be provided either by [[wheels]] or [[propellers]] driven by rotary motors, or in the case of tracked vehicles, by [[linear

...have a high torque, they are less suited to directly driving conventional propellers, and more to driving [[ducted fan]]s. The [[Moller Skycar|Moller M400 skyca

...reverse in less than 60 seconds. This was done before reversible pitch [[propellers]] for aircraft had been perfected. Reversible diesel engines have also been

; Air Snow Machines : Snow Mobiles with built in aircraft propellers similar to the use of Air Boats in the southern United States. They also ha