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Maximum distance travel per battery (not range)
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<blockquote data-quote="wsalopek" data-source="post: 58388" data-attributes="member: 1568"><p>Max endurance (the most TIME flying of course), like someone said above, is a "medium" <strong>AIR*</strong> speed...the Spark is just like any rotary wing aircraft (like helicopters)...movement thru the air, as opposed to hovering, creates a kind of "free" lift as additional air is moving over the blades because of the movement.</p><p></p><p><strong>* </strong>However...</p><p></p><p>Max endurance speed COULD be <strong>hovering</strong>...if you are hovering in a certain amount of wind. I have noticed a few times...just hovering above my house in a 10-15 knot wind, that the battery percentage stays higher longer...this hovering in a 10-15 knot wind, is of course the same as flying forward (or sideways/backward) at 10-15 knots on a day with zero wind.</p><p></p><p>Anyway...</p><p></p><p>Curve "D" on this web page (below) show the idea of max endurance speed...note that very low speeds and very high speeds both reduce endurance.</p><p></p><p><a href="http://www.copters.com/aero/drag.html" target="_blank">Helicopter Aviation</a></p></blockquote><p></p>
[QUOTE="wsalopek, post: 58388, member: 1568"] Max endurance (the most TIME flying of course), like someone said above, is a "medium" [B]AIR*[/B] speed...the Spark is just like any rotary wing aircraft (like helicopters)...movement thru the air, as opposed to hovering, creates a kind of "free" lift as additional air is moving over the blades because of the movement. [B]* [/B]However... Max endurance speed COULD be [B]hovering[/B]...if you are hovering in a certain amount of wind. I have noticed a few times...just hovering above my house in a 10-15 knot wind, that the battery percentage stays higher longer...this hovering in a 10-15 knot wind, is of course the same as flying forward (or sideways/backward) at 10-15 knots on a day with zero wind. Anyway... Curve "D" on this web page (below) show the idea of max endurance speed...note that very low speeds and very high speeds both reduce endurance. [URL='http://www.copters.com/aero/drag.html']Helicopter Aviation[/URL] [/QUOTE]
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Maximum distance travel per battery (not range)