How efficient is hydrogen as a fuel for a two inch pulse jet engine?

Question

wish to make a two inch pulse jet engine to power a hydrogen powered car

Answer 1

Much more efficient than jet fuel. A good portion of jet fuel does not get burned in the combustion chamber which contributes to pollution. Hydrogen on the other hand burns very rapidly and much more efficiently, with near zero emissions. http://www.nasa.gov/centers/glenn/about/...

http://www.pulse-jets.com/

Answer 2

very

Answer 3

The hydrogen flame is very hot and will melt most metals.