I'd love to see a decent effort with some funding behind it to make a rotary vane engine.. https://youtu.be/UPFFXBAe5mc?feature=shared https://youtu.be/UPFFXBAe

I'd love to see a decent effort with some funding behind it to make a rotary vane engine.. https://youtu.be/UPFFXBAe5mc?feature=shared https://youtu.be/UPFFXBAe5mc?feature=shared