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The Vertical Flight Society presents the Paper of the Month!

The March Paper of the Month is now available – free for members: "An Engineering Study of Retrofitting a Piston Engine Powered Helicopter with Hydrogen Fuel Cells," by A. Pichitkul, J. Tiandum, S. Tantrairatn of Suranaree University; and L.N. Sankar of Georgia Institute of Technology. This paper was presented as part of the 10th Biennial Autonomous VTOL Technical Meeting and 10th Annual Electric VTOL Symposium, Mesa, Arizona, USA, Jan. 24-26, 2023.

Download it today!

Are you a VFS member? Log in to receive this month's paper absolutely free! Not a member? Check out the benefits of membership and consider joining today!

Welcome to the Vertical Flight Library & Online Store!
Current product count in the Library: 15669 items, with 15315 technical papers! We are constantly adding new items to the store, so check back often.

The Vertical Flight Library includes downloadable papers from nearly all Forum Proceedings from 1943 to today, as well as papers from more than 100 Technical Meetings and 65 years of Vertiflite magazine! Note: the Journal of the AHS is hosted separately — please go to www.vtol.org/journal.

The VFS Online Store includes Forum and Technical Meeting proceedings CD-ROMs, books and Vertical Flight Society merchandise that require shipping.

Choose a department or use the search box above to find specific terms. You can also search our index of all available Forum papers.

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Want unlimited downloads? Check out our site licenses! If you are from an educational institution or organization that already has a site license with the Vertical Flight Library (previously called the "AHS Online Store"), please visit your organization's start page before adding items to your shopping cart.
The Vertical Flight Society is the global resource for information on vertical flight technology.

NEW: Check out the latest addition to the Vertical Flight Library!

A Theoretical Basis for Adverse Aircraft-Pilot Coupling, Edward Bachelder, San Jose State University Research Foundation - NASA Ames Research Center; Bimal Aponso, FAA
List price: $20.00

(Added to the VFS Library on Mar 8, 2023).

Are you a VFS member? Log in to receive the member price of $10.00 on this item! Not a member? Check out the benefits of membership and consider joining today!

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