Yeah, it's impossible. You can tell by the picture that the geometry you're suggesting is only possible with one crank and a rubber band instead of a chain. This will have a huge impact on handling.
Zing!
@Taxi started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
Zing!