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From the Editors
TSIOLKOVSKYS FIRST DESCRIPTION OF
ACTIVE VEHICLES 19111912
10 other sections not shown
acceleration aeroplane air flow air resistance air screw aircraft altitude angle ascent astroplane atmosphere attain blades body calculations calories cannon centrifugal force chemical combustion products compression constant cosmic velocities density direction discs distance earth earth's gravity Editors ejection elongation energy engines equal explosion pipe explosive components explosive material explosive substances flight flying formula free centre fuel gases gravitational medium greater heat horizontal hydrogen inclination increase inertia interplanetary Investigation of World Kaluga Konstantin Tsiolkovsky less lifting force liquid liquid oxygen m/sec maximum metric horsepower moon motor multi-stage rockets number of rockets obtain oxygen planet possible pressure problem propeller pumping quantity of explosive radius rarefied Reactive Vehicles relative gravity rocket plane single rocket space rocket Spaces by Reactive sphere square metre steam stratoplane supply of explosives surface temperature ton-metres train Tsiolkovsky USSR utilization versts vertical weight World Spaces yield zero