{"version":"1.0","type":"link","title":"System-specific impulse - Newikis","description":"System-specific Impulse, Issp is a measure that describes performance of jet propulsion systems. A reference number is introduced, which defines the total impulse, Itot, delivered by the system, divided by the system mass, mPS:","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400}