...if you type this "trio" on net,or #200 on "http://www.inter-corporate.com/forums/fieldpropulsion.engineering.html".All the Bests!/Alex
...you can find as #215,at http://www.inter-corporate.com/forums/fieldpropulsion.engineering.html All the Bests!/Alex
...on the same site.All the Bests!/Alex
.....as a "minimal " (two spokes ,only) wheel , or a lever with a single variable arm , at :
www.geocities.ws/iacob_alex/Some_Drafts/text010.jpg
Al_ex