WIND TUNNEL TESTS WITH SKY-DOC™

- HURRICANE FORCE WINDS CAPABLE BALLOON -


Hurricane and Typhoon Balloon. Operates in 90+ MPH winds.

Wind Tunnel Tests
Balloon Size 15'Balloon Size 20'Balloon Size 30'
Wind SpeedTether Strain in poundsTether Strain in poundsTether Strain in pounds
02550200
104686282
2081192535
30191382920
403006011,530
504829652,250
606851,3703,170
709321,8654,185
801,1852,3705,915
901,5223,0456,825

This chart is based on a SkyDoc Balloon that has been trimmed at +4 degrees of attack angle, and no payload. Changes in the attack angle and payload will vary the height the SkyDoc Balloon will settle at in wind conditions and vary the amount of lift. Varying the attack angle from +4 to -8 degrees, changes in wind speed, and amount of payload can vary the angle of the tethered SkyDoc from 90 Degrees to 20 Degrees and the amount of lift available. Greatest stability with lift, is generally found by trimming the balloon to a -4 degrees attack angle.

SKY-DOC™ SYSTEMS


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Kurt Liestenfeltz
Managing Director

9520 Colesville Road
Silver Spring, MD 20901
301-563-3082
800-236-9259, 9 A.M. to 5 P.M. Eastern Time
301-563-3379 Fax
FAX - 765-664-6135
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