The engine had to be modified for spark ignition instead of compression ignition, too, as hydrogen is most suited to the former. The diesel fuel tank is similarly gone, replaced with five 1kg ...

As opposed to other conventional ignition systems, this particular design brings forth a pre-chamber with strategically placed openings. A spark ... on hydrogen being center of this secretive plan.

MOSCOW, June 22. /TASS/. Russia has tested a laser ignition system for the oxygen-hydrogen rocket engine for the first time. This work brings Russia closer to developing a reliable engine for ...