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GROUND SKIMMER PUBLISHED BY THE UNITED STATES HANG GLIDING ASSOCIATION, INC. AS A SERVICE TO ULTRALIGHT FLIGHT ENTHUSIASTS EVERYWHERE Editor: Lloyd Licher
Editorial Assistant: W.A.Allen
Issue No.14
September, 1973
CONTENTS
DAVE KILBOURNE IN A FEBRUARY SKY, photo by W.A.A.
cover
THE CHANDELLE COMPETITION SAIL, by Mike Larson ..
6
AN EVENING WITH DAVE KILBOURNE AND DONNITA HOLLAND, Part I
8
VARIOMETERS, by Carol Boenish-Price
21
ULTRATHICK AIRFOILS, by Richard Miller
25
AFTERMATH OF TRAGEDY, by Maralys Wills
26
FLYING WITH SNOW SKIS, by Eipper-Formance, Inc.
28
DEPARTMENTS COLUMNS PRESIDENT S REPORT WHAT'S UP! . . . . 1
2 30
CALENDAR CLASSIFIEDS GLOSSARY LETTERS
36 35
13 32
CONSUMER ADVISORY: GROUND SKIMMER takes no responsibility for the products advertised or mentioned editorially within its pages. GS and the U.S. Hang Gliding Assn., Inc., have no means or criteria by which to judge the safe use, structural integrity, dura~ bility, or quality control of such products. How to Buy: People considering purchase of hang gliding equipment should consult hang glider pilots and manufacturers and dealers in their area, and are urged to·write to several national manufacturers concerning product usage and safety standards. GROUND SKIMMER is published monthly by the United States Hang Gliding Association, lnc., whose office is at 12536 Woodbine St., Los Angeles, Calif. 90066 (mailing address: P.O. Box 66306, Los Angeles, Calif. 90066). Telephone (2t3) 397-4848. Application to mail at second-class postage rates is pending at Los Angeles, Calif. Subscription available only as part of membership in USHGA, a nonprofit, member-controlled educational and scientific organization dedicated to exploring all facets of fuel-less, self-launched ultralight aircraft. Membership is open to anyone interested in this realm of flight. Dues are $5.00 ($6.00 for foreign addresses). $4.00 of these dues are designated for subscription to GROUND SKIMMER (12 issues), beginning with the current issue. Back issues are available at 50¢ each. Make checks payable to USHGA. Items in GROUND SKIMMER are published with all rights reserved to GS and the respective writers and photographers. Permission for reprinting or extensive quoting normally will be granted upon request to GS if also agreed to by the contributor. Advertising rate card with mechanical requirements and conditions is available upon request. Basic full-page rate is $50. Paid circulation of the August issue, first mailed on December 15, 1973, was 5,140.
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