Question:

How do it make a mini hot air ballon that can acutally fly???

by  |  earlier

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  1. Here on the instructions on how to do that. Be forewarned that in most areas launching a burning object into the air would be a misdemeanor.


  2. oh my gosh!  i've always wanted to do that!  i used to capture campfire smoke with large plastic bags and yes they did fly!  but most melted and it didn't fly very far.  basics is that you'll need some hot air, some material that can handle hot air, and some ballasts to stabilize the mini vehicle, sounds like so much fun!

  3. Like this:

    http://video.google.com/videoplay?docid=...

    Two warnings:

    The video is incredibly funny

    These are illegal in most places due to the fire hazard and false UFO reports

  4. You need a light-weight balloon and a heat source.  Get a plastic bag and create a wire structure to keep a rigid opening.  Then hang a candle, paraffin or something else that will heat the air inside the bag.  Then let 'er go.

    You really need to be careful though.  Everything that goes up comes down.  So you don't want your heat source causing a fire somewhere when your airship touches down.

  5. A candle hung under a paper bag.  looks cool.

  6. iwill give U the basic idea first from the gas law

    PV=mRT or P=(rou)RT

    rou= density

    so when temperature increase density decrease when that happen the air goes up so if we contain it in  ballon it will fly

    so try this bring heater inside a duct use a fan before the heater but make the destance bet ween them not too small(1-.5 meter)

    and try to use the smallest fan U can find put the end of the duct in vertical and put a bag above it  after while it will be filled with hot air and will fly

  7. Actually filling a normal black garbage bag with air, but not so much that it's too full, and tying a string at the bas and allow the sun to warm it. Then it will lift off and rise in the air. It won't go terribly high, but you can't get any simpler or cheaper than this.

    It takes a short bit for the sunlight to warm the air inside tow here it will float. Best on calm days tho.

  8. with a ballon

  9. First, get the three Presidential candidates in a room and have then give one of their usual political  speeches with a balloon in attendance..

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