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Q&A for How to Make a Mini Flyable Hot Air Balloon with Candles
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QuestionCan I use a small brown paper bag?Community AnswerI wouldn't recommend a brown paper bag. The flame may not be far enough from the bag to burn safely.
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QuestionHow would I bring it back down again?Community AnswerYou could attach a string to the balloon so that you could pull it down. You could also just wait for the candles to burn out; the balloon will eventually come down on its own.
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QuestionIs it possible to attach the bag at a distance from the foil base, using string or more balsa wood sticks, to make the candles easier to light? Or does the bag have to be totally covering the candles for it to work?Community AnswerYou would lose the heat from the candles. It would not fly. The idea is to trap hot air, which will lift the balloon.
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QuestionCan I add a basket to my hot air balloon?Community AnswerNo, you cannot add a basket because it will be too heavy. The balloon is small, and cannot carry much weight.
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QuestionWhy can't I use plastic for a hot air balloon?Community AnswerPlastic is not recommended because of the high temperature of the candle, which can cause the plastic to melt.
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QuestionCan tea lights be used?Community AnswerGenerally, tea lights are denser because of the paraffin wax and the aluminum wrapper. I would be better if you stick with this method, but if you really need tea lights skim off the wrapper and trim it.
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QuestionCan I use plastic instead of aluminium foil?Community AnswerNo, because the plastic will melt.
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QuestionCan the candle be thicker?Community AnswerIf the candle is thicker, the balloon may become too dense to fly.
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QuestionIs there any danger of fire?Community AnswerIt's possible, so you always want to exercise caution when working with flammable materials.
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QuestionCan the plastic bag burn?Community AnswerYes. Plastic bags can burn.
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QuestionWhat am I doing wrong if the bag starts wrinkling when I light the candle no matter how far away I hold it?Community AnswerToo much heat.
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QuestionHow high will it go?Community AnswerI've seen some homemade hot air balloons go pretty high, but it depends on your heat source, the wind conditions, etc. It's impossible to say for sure.
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QuestionCan I use a rubber balloon instead of plastic bag?Community AnswerNo. It wouldn't have enough space for the flame.
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QuestionCan I put my hamster inside? It's dead.Community AnswerNo, it would be too heavy. If you augmented the bag size and heat level it might work, but I wouldn't recommend doing this. Give your hamster a respectful burial.
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QuestionIf the string becomes unattached, how long will it take for the balloon to come down?Community AnswerThe candles will eventually burn out and it will come down on its own, though it may not be directly above where it was launched.
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QuestionHow high will this balloon travel?Community AnswerIt really depends on how well you made it and how big the candles are, but it could get to a decent altitude.
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QuestionCan I use a balloon to make it fly instead of a candle?Community AnswerNo, it won't work.
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QuestionWhere do I put the balsa stick?Community AnswerThat's a substitute if you don't have any straws.If you don't have straws, use the sticks.
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QuestionDo I have to use a certain stick?Community AnswerYou can use any stick, as long as it is lightweight and able to resist some amount of heat. Here, balsa wood is the best, as it is lightweight and works well for small projects.
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QuestionCan I use wooden chopsticks instead of balsa sticks?Community AnswerYes, as long as you follow the method above very carefully.
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QuestionCan I glue the candles onto the aluminum foil with hot glue instead of melted wax?Community AnswerYes.
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QuestionThe plastic bag usually starts to melt after I fly it, and the bag I'm using is a very similar in size to the one shown in the photo. How can I keep this from happening?Community AnswerUse aluminum foil instead. Also, hold it up as you light the candle, and pull down the balloon before the candle goes out.
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QuestionHow do I keep it from getting too hot?Community AnswerYou don't. You need the heat to lift the balloon. If you meant keep it from melting, consult the other comments in this article.
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QuestionWould it be okay to add more candles?Community AnswerNo, you cannot add more candles because the balloon would become too heavy to fly.
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QuestionWhat is the most common mistake made while making this project?Community AnswerWhile doing, my group made the mistake of adding too much tape/glue, thus making the balloon ultimately too heavy to fly. Also, don't make it out of paper if it's a small scale. It will explode.
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QuestionCan I use tissue paper instead of the plastic bag?Community AnswerNo, you cannot. Tissue paper would be impractical to use. Just get a cheap plastic laundry bag.
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QuestionCan I use sewing fabric instead of a bag?Community AnswerYes, as long as it is light and does not have any small holes in it. You cannot let the heat escape, or else the balloon won't fly.
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QuestionWhat size bag is used for this?Community AnswerTry using a grocery bag.
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QuestionHow long will this balloon fly for?John Hills- Class of 2024Community AnswerIt will fly until you pull it down or it runs out of wax. It is impossible to know the exact time it will stay in the air for.
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QuestionHow high can this balloon go?Community AnswerHow high this balloon will go depends on the length of the candles and the size of the bag. If you have a small candle, then it will not go as high as a balloon made with a big candle.
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