Introduction: The 1-step Eco-safe Hydro/pressure-powered Bottle Rocket With No Cost!

i came up with this idea after my dad told me to leave my real bottlerockets alone and i got bored. so... vuala!

Step 1: Tools

1 bike needle
1 bike pump
infinite plastic bottles
that's all!!!

Step 2: Launching

stick the needle through the cap and pump! note:hold the bottle down until launch. you can also add some water...;)

Step 3: Launch!

pump and release!!!!

Comments

author
Dumchicken (author)2011-09-02

water cannot be presurized

author
Cheeseduck (author)Dumchicken2012-08-26

You don't fill it with water, just add between 1/4 and 1/3 of the bottle's capacity.

If you wanna know why it works, become a physicist or read this wiki.

author
dacker (author)2008-06-25

That's an inflating needle for sports balls, not a "bike needle". I don't know how you could use one on a bike.... :-)

author

I suppose that you could use it to let the air out of the tires... it's about the right size to depress that little pin.

author

That would make it an anti-bike needle! (LOL)

author
wrentchhead (author)dacker2008-06-25

ty dacker... i feel dumb now,lol.

author
uguy (author)2008-06-25

I'm sorry, but where is the hydro "electric"aspect of this rocket

author
zjharva (author)uguy2008-06-26

yeah thats what i thought of when i saw it!

author
AndyGadget (author)2008-06-25

This is known in my household as the 'John Noakes Rocket' - Blue Peter, circa 1970. It's one of those 'toys' which has stood the test of time. Try it with a washing-up liquid bottle (with the small nozzle) with around two inches of water inside. (Sticky back plastic is optional #;¬)

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