"Sylvain" wrote

Now of course, one could expect an EAA convention attendee of
being able to build his/her own (see http://tlb.org/eunicycle.html
or http://www.tlb.org/scooter.html for a couple of interesting
examples from a very creative guy!)

I think anything not in a sitting position would not be allowed on grounds,
but a sitting 3 wheeler would be. May suck, but that's that.
--
Jim in NC