Labels:text | screenshot | font | number | line OCR: Specific Duration of Typical Working Fluid Status of Impulse (sec) Operation Technology 200 to 460 Seconds to minutes Liquid oxygen and hydrogen In production 150 to 235 Seconds to minutes Hydrazine In production 180 to 300 Seconds to minutes Nitroglycerin in nitrocellulose, In production or powdered metal and oxidizer 300 to 1,100 Seconds to minutes Hydrogen Development stopped 300 to 2,000 Days Hydrogen Development essentially stopped 300 to 15,000 Weeks Hydrogen Several have flown 1,000 to 25,000 Months Cesium Several have flown 300 to 700 Days Hydrogen Not yet developed
