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henryk
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Hhenryk replied to the thread Flying wing as cheap and simple option for basic fun flying..http://www.nurflugel.com/Nurflugel/Papers/George-Falvy/Falvy_31/falvy_31.html HORTEN IV ( AR >20) vs. BKB-1 ( AR=10 )... BTW=in fat...
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Hhenryk replied to the thread Gurney flaps + plain flaps?.-in case of KASPERWIGs rudders progressive (0-90 degrease) flaps are gaining rudders efficiency...
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Hhenryk replied to the thread What do you think about "e-soaring"?.=Mk I seems cleaner,elegant...
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HStudents from Toronto University produced really flying prototype. But still not practically usable - during takeoff they needed help of...
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Hhenryk replied to the thread What do you think about "e-soaring"?."A123" , but Li Ion technology=replace for napalm bomb !
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Hhenryk replied to the thread What do you think about "e-soaring"?.-iff compare works/effects/costs of prof. De Laurie/ Yves Rousseau / ing.Toporov...= https://www.net-film.ru/film-3950/ F thrust...
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HHenryk you know perfectly what means to fly 3-4 km in "ground efect" - you flown personally many times with hang glider ;) I can only...
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Hhenryk replied to the thread What do you think about "e-soaring"?.https://polska.geoportal2.pl/map/www/mapa.php?CFGF=debno&mylayers=+OSM+granica+ =the lowest level=DUNAJEC river... =the highest=bell...
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Hhenryk replied to the thread What do you think about "e-soaring"?.=with greate probability...(on ground effeckt/ecran augmented L/D ) https://skybrary.aero/articles/ground-effect...
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HThat is possible.... maybe they used special solar panels... that would explain why is not "serial" produced Sunseeker Duo. However...
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Hhenryk replied to the thread Flying wing as cheap and simple option for basic fun flying..-can You made short copy concerned with BKB-1 (Brochocki,Kasper,Bodke) "tumbling resistance" quality ?
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Hhenryk replied to the thread What do you think about "e-soaring"?.=influence of feathering propeller onto unsimmetrical reaction momentum ?
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Hhenryk replied to the thread What do you think about "e-soaring"?.-yes,I try, at first with "today" technology (8 kg !), after fly tests=from halve 19 Century materials (wood,linen sail, skeen riemens...)
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Hhenryk replied to the thread What do you think about "e-soaring"?.=yes ! -after allmost vertical start from 40 m (NO "taxii , autostabil "S"-shape airfoil) ! Jan gained speed and then Hi was fly at...
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Hhenryk replied to the thread What do you think about "e-soaring"?.=on fuselage top=cooling air inlet ? (power of IC engine ?) BTW= 1866, not hybrid, ONLY 3-4 km distances...
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