Rocket Project Astronomy. Darts Hellfire.

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Presentation transcript:

Rocket Project Astronomy

Darts

Hellfire

How a Rocket Works

Solid Rocket Boosters

 Simple  Cheap  Safe But-  Thrust cannot be controlled.  Once ignited, the engine cannot be stopped or restarted.

Liquid Propellant Liquid hydrogen and liquid oxygen - used in the Space Shuttle main enginesSpace Shuttle main engines Gasoline and liquid oxygen - used in Goddard's early rockets Kerosene and liquid oxygen - used on the first stage of the large Saturn V boosters in the Apollo programSaturn V boosters Alcohol and liquid oxygen - used in the German V2 rockets Nitrogen tetroxide/monomethyl hydrazine

Other Fuels  Chemical reactions that produce gas are common for obvious reasons (lots of gas for a small amount of solid/liquid)  Any system that throw mass would suffice

Other Fuels  Compressed Gas such as CO 2 or liquid nitrogen  Fusion Reactors  Matter-antimatter  A baseball thrower  Plasma/Ion engines  Compressed air with water (Your rocket)

How high does it go?  Use Trig

Use Algebra y = v o t + 1/2 gt 2 V 0 - initial velocity t-time g-acceleration due to gravity