Rocketeering
From YouWiki
Rocket-building is a popular hobby amongst model builders. It involves the construction of a missile that is propelled through gas/liquid ejection from the nozzle, which causes a reaction force thrusting the projectile skyward.
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[edit] Water Rockets
These are a (relatively) safe form of rocket-building which involves a pressurised vessel containing water and air. The air pressure ejects the water at speed, causing the rocket to take off.
[edit] Pictures
Below are some pictures of rockets built by our users
First water rocket (single PET 2 Litre) taking off. |
Second water rocket, using spliced bottles to obtain a greater volume. This shot also illustrates the launcher on which the rocket is mounted. |
Stumpy Mark Two taking off - shockwaves of water from 'exhaust' clearly visible |
Stumpy Mark Two taking off - strange concentric-circle shockwaves visible |
The jetstream from Stumpy Mark Two - cameraman missed the rocket |
Clark Cable Launcher schematic |
