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My seven year son told me that papa we can attach a hot air balloon to Boat so it does not sink in water during storm.

Listening to my son's idea I told him that if you want to do that you should use Gas like helium or nitrogen which is lighter then air. Simply telling you that I am not a science or chemistry student so do not have detailed idea about using which Gas. But I feel that his idea is marvelous!

By such balloon any individual or group sailing through boat in river or ocean can have great safety in any weather.

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    Jul 31 2011: ask him: if you have an apparatus that allows your ship to fly in the sky, would you ever sail with it on water?
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    Jul 31 2011: You just have to embreca this beautiful mind of you son, and let it other question, need to be asked here.

    For 7 yrs old to ask that questions alone, is pure genious ! You should be proud !
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    Jul 30 2011: It would be an interesting idea but costly and where would the hot air balloon be stored when not in use? Keep an eye on your son he looks like a good thinker though
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      Aug 4 2011: Actually I helped him to develop the idea in to more practical way with using light gas cylinder to keep with and a balloon with non return valve expandable enough to support Boat weight ratio with gushing water of sea inside it . and attaching strong enough strings with balloon to four corners of the Boat. Now the boat sailors can hold the strings properly with leather hand glause so they can survive in thunder to some extent before the help arrive. The advantage is, if the water of sea is so cold in northern sphere of the world the sailors will not have to wear life jacket and face cold of cold water on their legs and in lower body parts.
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    Jul 31 2011: Wow !!!
    Power of curiosity gives KIDs great power of creativity and thinking out of the box :)

    My kid when he was 5, once stuck in traffic told me I will make a car that will fly so that we are not stuck.
    Told him yes you will do once grow up.
    Elder who was then 7+ told why someone is not making it now, there are planes & car already , it shouldn't be big deal ??
    Answered may be someone doing that somewhere , but he was not convinced..............
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      Aug 5 2011: there is a streetlegal car-plane that recently got aproved for sale. need A LOT of $$$ though.
  • Jul 31 2011: Table tennis (Ping-pong) balls are a better solution. (Also useful when fun is desired)