Mystery Aircraft Competition
Discussion
mybrainhurts said:
dr_gn said:
mybrainhurts said:
I think you broke rule 2 of the thread 
It's real...
It flew...
Next...?
Assuming the balloon is about 2m diameter x 4m long, that gives a volume of approx. 12,570 litres.
Hydrogen gives about 1.1g of lift per litre (Helium gives even less), so that balloon would give around 13.7kg of lift.
It is having to lift probably 10 times that figure.
In summary: It never flew.
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