Search results

*Type: 90° [[V4 engine|V4 cylinder]] "Double-L-Twin", ''Twin Pulse'' firing order, liquid-cooled, DOHC, Desmodromic, four titanium valves per

...re than 230 hp), without excessively increasing the number of revs. A Twin would have had to rev at over 17,000 rpm, but this would require a very sho ...Double L Twin with 2 cylinder Stroking at the same time (also called Twin Pulse). With four valves per cylinder, the total number of valves is sixteen - ''

[[Image:Twin Linear Aerospike XRS-2200 Engine.jpg|thumb|Linear aerospike XRS-2200 engine * [[Antimatter catalyzed nuclear pulse propulsion]] (fission and/or fusion energy)

...or atomization at low air speeds, needing modifications such as sequential twin-barrel designs) and better breathing due to eliminating the carburetor's [[ ...s duration (pulsewidth) is proportional to the amount of fuel desired. The pulse is applied once per engine cycle, which permits pressurized fuel to flow fr