Reminds me of the Put-Put, Orion project's chemical explosive propelled proof-of-concept prototype: http://www.century-of-flight.freeola.com/Aviation%20history/

Reminds me of the Put-Put, Orion project's chemical explosive propelled proof-of-concept prototype: http://www.century-of-flight.freeola.com/Aviation%20history/space/orion.htm http://www.century-of-flight.freeola.com/Aviation%20history/...