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10 minute trash/garbage/bin bag hot air balloons

Step 5Fueling

Fueling
When you're ready, take the balloon outside.  Lay it on its side and pour a very small amount onto the cotton ball without getting any on the bag - if you do, you'll have a floating incendiary device which will coat everything in molten plastic as it flies away.  I know because I've done this by accident.

We're tethering the balloon with cotton.  This is because I didn't want it flying away. 

Kiteman has made a very sensible suggestion about putting the anchor on the top of the bag - that means when it reaches the length of the tether it flips over and the hot air is released.  A very valid point and I'll try it this Friday when I make the next batch with the scouts!

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Author:tim_n(Visit my Site!)
Hi, I'm Tim. I work on the railways during the day, run a scout troop and have a blog (see above website link) where I discuss my allotment and projects!