Any engine that incorporates or is based on one of the self- referential shapes including the mobius, trefoil, sphericon, .-- JesusHChrist, Jan 04 2017 Sphericon Machine Sphericon_20Machine [JesusHChrist, Jan 06 2017] Those damned trefoils - all they ever do is talk about themselves.
On the plus side, this idea contains much less utter bollocks than some of your others. On the minus side, it also contains much less idea. Net result: [-].-- MaxwellBuchanan, Jan 04 2017 fill a klein bottle with rocket fuel, then have the big side as the nozzle-- beanangel, Jan 05 2017 There really has to be a use for a sphericon.-- FlyingToaster, Jan 05 2017 I can think of one, but it would make [JHC]'s eyes water a bit.-- MaxwellBuchanan, Jan 05 2017 I think I can, I think I can, I think I can, I think I can, I think I can, I think I can, I think I can, I think I can, I think I can, I think I can, I think I can, I think I can, I think I can, I think I can, whoo uo whoo!
"The Little Engine that Could" kid's phonograph record.-- popbottle, Jan 05 2017 //fllapping
HB seems to have defaulted to the Welsh character set.-- not_morrison_rm, Jan 05 2017 I think this could work. A cylinder is extremely self-referential: any slice parallel to one end defines the cross-section of the entire cylinder. Likewise, any radial segment, no matter how small, can be swept round to reconstruct the complete cylinder. And I've an inkling that cylinders could be used somehow to make some crazy sort of engine.-- MaxwellBuchanan, Jan 09 2017 random, halfbakery