16886-Feb3,2004 Wing In ground Effect King, A and gopalarathnam Principles-Interference with 0.8 round reduces induce ed drag substantially for very small spacings Metrics for pelican ' Single Aircraft( Formation of 3( Formation of Formation of 25 500 foot wing span Gopalarathnam, A, "Ideal Aerodynamics of 38 fuselage mounted landing Formation and Ground-Effect Fligh gears similar to B-52 Payload 1, 500,000 Ibs Range ·10.000 nm over water 6,000 nm over land 20,000 ft Limitations Many technology and operational issues Boeing Phantom Works Pelican s Barkowski, R, " Future Concepts for Air Cargo Delivery", AIAA Paper 2003-2629 Courtesy of Boeing Corporation. Used with permission16.886 - Feb 3, 2004 Wing In Ground Effect • Principles - Interference with ground reduces induced drag substantially for very small spacings • Metrics for Pelican* – 500 foot wing span – 38 fuselage mounted landing gears similar to B-52 – Payload 1,500,000 lbs – Range • 10,000 nm over water • 6,000 nm over land @ 20,000 ft • Limitations: Many technology and operational issues King, A and Gopalarathna m * Barkowski, R, “Future Concepts for Air Cargo Delivery”, AIAA Paper 2003-2629 Boeing Phantom Works Pelican 1 0.8 CDi IGE CDi OGE Single Aircraft Gopalarathnam, A. "Ideal Aerodynamics of Formation and Ground-Effect Flight". Formation of 3 Formation of 5 Formation of 25 0.6 0.4 0.2 0 2 4 h/b 6 8 10 Courtesy of Boeing Corporation. Used with permission