Another front-engine design, the obscure Haig-K Aircraft Corporation HK-1. The Continental C85 is practically in the pilot's lap!

The Cessna CH-1 helicopter

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Technical data for Haig-K HK-1

Crew: 1, passengers: 1, engine: 1 x 85hp Continental C-85, main rotor diameter: 8.13m, take-off weight: 468kg