Depends on the jet
Some millatary jets are the same as civilan jets just painted funny and used for hauling guns not packages
others just need a really long runway to accumulate a ton of speed for there wings to work
some (the fixed winged airgraft on carriers) use steam to fire a clamp attached to the front wheel of the fighter that relesis and sling shots the plane into the air
When a jet leaves the airport it is called take-OFF
280kmph.
Jet assisted take off
Jet assisted take off
The Harrier can take off vertically.
The Harrier jet introduced the idea of VTOL (vertical take-off and landing).
JATO = Jet assisted take off.
jet propultion
buy a jet kit and take the bowl off your carb and and put your jets in
take off the carb. on the botoom of the carb is a bowl take screwsa out and the big jet in the center is the main jet. remove with a flathead screwdriver
35 knots
A Scram jet is a jet which needs supersonic propulsion to take off. It is taken into air by another larger aircraft and is released in supersonic speed.