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Propulsion
Vertical lift engine concepts (Comprehensive list? Future promise?)
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<blockquote data-quote="Avimimus" data-source="post: 184230" data-attributes="member: 981"><p><em><strong></strong></em></p><p><em><strong>Questions to discuss</strong></em></p><p><em></em></p><p><em>Are any systems missing (and do you have better examples of each)?</em></p><p></p><p>What are the major design trade-offs in these systems?</p><p></p><p>What systems have development potential</p><p></p><p></p><p></p><p></p><p><strong>The list</strong></p><p></p><p> -- Dedicated lift jets</p><p></p><p> -- Rotated aircraft / rotated fuselage / tail-sitter</p><p></p><p> -- Vectored thrust (jet engine)</p><p></p><p> -- Propulsive wing (distributed)</p><p></p><p> -- Tilt-prop (upward or downwards)</p><p></p><p> -- Tilt rotor (or ducted fan) / tilt-wing / tilt-engine (jet)</p><p></p><p> -- Decoupled prop (e.g. X-2 and X-3 demonstrators)</p><p></p><p> -- Distributed Electric Fans</p><p><a href="http://www.secretprojects.co.uk/forum/index.php/topic,13981.msg155169.html#msg155169" target="_blank">http://www.secretprojects.co.uk/forum/index.php/topic,13981.msg155169.html#msg155169</a></p><p><a href="http://www.aero-news.net/index.cfm?do=main.textpost&id=d9d17a0e-441f-43f8-8515-8f9814c03230" target="_blank">http://www.aero-news.net/index.cfm?do=main.textpost&id=d9d17a0e-441f-43f8-8515-8f9814c03230</a></p><p></p><p> -- Gas driven buried (or retractable) lift fans</p><p></p><p> -- Shaft driven buried (or retractable) lift fans</p><p></p><p> -- Rotary wing / stop-rotor</p><p><a href="http://www.secretprojects.co.uk/forum/index.php/topic,431.0.html" target="_blank">http://www.secretprojects.co.uk/forum/index.php/topic,431.0.html</a></p><p></p><p> -- Stopped-Stowed (Retractable) rotor / Trail rotor</p><p> </p><p> -- Disc-rotor</p><p></p><p> -- Thrust-augmented wing</p><p><a href="http://www.secretprojects.co.uk/forum/index.php/topic,2081.0.html" target="_blank">http://www.secretprojects.co.uk/forum/index.php/topic,2081.0.html</a></p><p></p><p> -- Pulse-Ejector-Thrust-Augmentor (PETA)</p><p><a href="http://www.secretprojects.co.uk/forum/index.php/topic,224.msg131131.html#msg131131" target="_blank">http://www.secretprojects.co.uk/forum/index.php/topic,224.msg131131.html#msg131131</a></p><p></p><p> -- Cyclogyros aircraft</p><p><a href="http://www.secretprojects.co.uk/forum/index.php/topic,2837.0.html" target="_blank">http://www.secretprojects.co.uk/forum/index.php/topic,2837.0.html</a></p><p></p><p> -- Fanwings</p><p><a href="http://www.secretprojects.co.uk/forum/index.php/topic,4458.msg54957.html#msg54957" target="_blank">http://www.secretprojects.co.uk/forum/index.php/topic,4458.msg54957.html#msg54957</a></p><p></p><p> -- Deflected slipstream (or extreme upper surface blowing)</p><p><a href="http://www.secretprojects.co.uk/forum/index.php/topic,18461.msg177450.html#msg177450" target="_blank">www.secretprojects.co.uk/forum/index.php/topic,18461.msg177450.html#msg177450</a></p><p></p><p> -- Ion powered</p><p><a href="http://www.secretprojects.co.uk/forum/index.php/topic,14662.msg146667.html#msg146667" target="_blank">http://www.secretprojects.co.uk/forum/index.php/topic,14662.msg146667.html#msg146667</a></p><p></p><p> -- Volume / Lift balloons / Retractable Balloons</p><p><em><a href="http://www.secretprojects.co.uk/forum/index.php/topic,17348.0.html" target="_blank">http://www.secretprojects.co.uk/forum/index.php/topic,17348.0.html</a></em></p><p><em></em></p><p> <em>-- Rockets (or rocket-parachute combinations)</em></p><p><em><a href="http://www.secretprojects.co.uk/forum/index.php/topic,17250.msg21805.html#msg21805" target="_blank">http://www.secretprojects.co.uk/forum/index.php/topic,17250.msg21805.html#msg21805</a></em></p><p><em></em></p><p><em></em></p></blockquote><p></p>
[QUOTE="Avimimus, post: 184230, member: 981"] [i][b] Questions to discuss[/b] Are any systems missing (and do you have better examples of each)?[/i] What are the major design trade-offs in these systems? What systems have development potential [b]The list[/b] -- Dedicated lift jets -- Rotated aircraft / rotated fuselage / tail-sitter -- Vectored thrust (jet engine) -- Propulsive wing (distributed) -- Tilt-prop (upward or downwards) -- Tilt rotor (or ducted fan) / tilt-wing / tilt-engine (jet) -- Decoupled prop (e.g. X-2 and X-3 demonstrators) -- Distributed Electric Fans [url=http://www.secretprojects.co.uk/forum/index.php/topic,13981.msg155169.html#msg155169]http://www.secretprojects.co.uk/forum/index.php/topic,13981.msg155169.html#msg155169[/url] [url=http://www.aero-news.net/index.cfm?do=main.textpost&id=d9d17a0e-441f-43f8-8515-8f9814c03230]http://www.aero-news.net/index.cfm?do=main.textpost&id=d9d17a0e-441f-43f8-8515-8f9814c03230[/url] -- Gas driven buried (or retractable) lift fans -- Shaft driven buried (or retractable) lift fans -- Rotary wing / stop-rotor [url=http://www.secretprojects.co.uk/forum/index.php/topic,431.0.html]http://www.secretprojects.co.uk/forum/index.php/topic,431.0.html[/url] -- Stopped-Stowed (Retractable) rotor / Trail rotor -- Disc-rotor -- Thrust-augmented wing [url=http://www.secretprojects.co.uk/forum/index.php/topic,2081.0.html]http://www.secretprojects.co.uk/forum/index.php/topic,2081.0.html[/url] -- Pulse-Ejector-Thrust-Augmentor (PETA) [url=http://www.secretprojects.co.uk/forum/index.php/topic,224.msg131131.html#msg131131]http://www.secretprojects.co.uk/forum/index.php/topic,224.msg131131.html#msg131131[/url] -- Cyclogyros aircraft [url=http://www.secretprojects.co.uk/forum/index.php/topic,2837.0.html]http://www.secretprojects.co.uk/forum/index.php/topic,2837.0.html[/url] -- Fanwings [url=http://www.secretprojects.co.uk/forum/index.php/topic,4458.msg54957.html#msg54957]http://www.secretprojects.co.uk/forum/index.php/topic,4458.msg54957.html#msg54957[/url] -- Deflected slipstream (or extreme upper surface blowing) [url=http://www.secretprojects.co.uk/forum/index.php/topic,18461.msg177450.html#msg177450]www.secretprojects.co.uk/forum/index.php/topic,18461.msg177450.html#msg177450[/url] -- Ion powered [url=http://www.secretprojects.co.uk/forum/index.php/topic,14662.msg146667.html#msg146667]http://www.secretprojects.co.uk/forum/index.php/topic,14662.msg146667.html#msg146667[/url] -- Volume / Lift balloons / Retractable Balloons [i][url=http://www.secretprojects.co.uk/forum/index.php/topic,17348.0.html]http://www.secretprojects.co.uk/forum/index.php/topic,17348.0.html[/url] -- Rockets (or rocket-parachute combinations) [url=http://www.secretprojects.co.uk/forum/index.php/topic,17250.msg21805.html#msg21805]http://www.secretprojects.co.uk/forum/index.php/topic,17250.msg21805.html#msg21805[/url] [/i] [/QUOTE]
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Vertical lift engine concepts (Comprehensive list? Future promise?)
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