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Somewhat tangential, rather than trad deltas, seeing that sketch of the infamous 'Flying V' brought to mind...Floating to Space: The Airship to Orbit Program (Apogee Books Space Series) Paperback by John N Powell (Author)[URL unfurl="true"]http://www.jpaerospace.com/[/URL]IIRC, his proposed 'surface to ~140 k-feet' vehicles are helium-filled ballonets in twin 'sausages' arranged as huge 'V' by light-weight carbon-fibre trusses. Designed 'weird' propellers to provide efficient thrust...Down-side, severe danger of giggling.Up-side, his team do routinely build and fly instruments to edge of space...
Somewhat tangential, rather than trad deltas, seeing that sketch of the infamous 'Flying V' brought to mind...
Floating to Space: The Airship to Orbit Program (Apogee Books Space Series) Paperback by John N Powell (Author)
[URL unfurl="true"]http://www.jpaerospace.com/[/URL]
IIRC, his proposed 'surface to ~140 k-feet' vehicles are helium-filled ballonets in twin 'sausages' arranged as huge 'V' by light-weight carbon-fibre trusses. Designed 'weird' propellers to provide efficient thrust...
Down-side, severe danger of giggling.
Up-side, his team do routinely build and fly instruments to edge of space...
