This was a technology demonstrator aircraft built around a CH-47A airframe. The objective was to develop, and verify by flight test, improvements in Handling Qualities, Vibration, Noise and performance in 2 phases. In the second phase a wing was added to provide lift compounding.

Overview

Data on design, manufacture and status

Design authority: The Boeing Company - Vertol Division

Primary manufacturer: The Boeing Company - Vertol Division

Parent type: Boeing-Vertol Model 234/H-47 Chinook

Aircraft status: No longer flying

Configuration

Primary flight and mechanical characteristics

VTOL type: Helicopter

Compound type: Lift

Lift configuration: Tandem (Fore/aft) (x2)

Crew required: 2

Crew seating: Side-by-side

Landing gear: Wheels (all retractable)

Overall Dimensions

Data on aircraft size

Engine Details

Aircraft powerplant (lift and/or propulsion)

Total number of engines: 2

Engine designation: Lycoming T55-L-11 turbine

Engine manufacturer: Lycoming Engines

Take-off / rated power: 2928 kW (3925 hp)

Weights and Performance

Data on aircraft weight and flight characteristics

Related VFS Resources

Resources related to the Model 347 , provided by the Vertical Flight Society.
Forum Proceedings
 
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Related Public Resources

Resources related to the Model 347 , provided by public sources across the internet.

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