Rocket ProjectRocket Project

AstronomyAstronomy

DartsDarts

HellfireHellfire

How a Rocket WorksHow a Rocket Works

Solid Rocket BoostersSolid Rocket Boosters

Solid Rocket BoostersSolid Rocket Boosters

SimpleSimple CheapCheap SafeSafe

But-But- Thrust cannot be controlled.Thrust cannot be controlled. Once ignited, the engine cannot be Once ignited, the engine cannot be

stopped or restarted.stopped or restarted.

Liquid PropellantLiquid Propellant•Liquid hydrogen and liquid oxygen - used in the Space 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 program •Alcohol and liquid oxygen - used in the German V2 rockets •Nitrogen tetroxide/monomethyl hydrazine

Other FuelsOther Fuels

Chemical reactions that produce gas are Chemical reactions that produce gas are common for obvious reasons (lots of gas common for obvious reasons (lots of gas for a small amount of solid/liquid)for a small amount of solid/liquid)

Any system that throw mass would sufficeAny system that throw mass would suffice

Other FuelsOther Fuels

Compressed Gas such as COCompressed Gas such as CO22 or liquid or liquid

nitrogennitrogen Fusion ReactorsFusion Reactors Matter-antimatterMatter-antimatter A baseball throwerA baseball thrower Plasma/Ion enginesPlasma/Ion engines Compressed air with water (Your rocket)Compressed air with water (Your rocket)

How high does it go?How high does it go?

Use TrigUse Trig

Use AlgebraUse Algebra

y = vy = voot + 1/2 gtt + 1/2 gt22

VV00 - initial velocity - initial velocity

t-timet-time

g-acceleration due to gravityg-acceleration due to gravity