I think the main difference between a Vanagon and an ornithopter is that a
orinthopter would be relatively reliable and somewhat useful :).

http://www.youtube.com/watch?v=a-qS7oN-3tA&NR=1

The things Vanagon people get up to!

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David Beierl - Providence RI USA -- http://pws.prserv.net/synergy/
Vanagon/
'89 Po' White Star "Scamp"