This blimp material is 0.18mm PVC. We can upgrade it to a thicker 0.25mm PVC for a cost of 30%. The thicker blimp will last better, but it also needs more helium to float up. Please let us know if you need the upgrade.
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Do all the blimp sizes (6,7,10+m) have the same thickness/toughness in pvc skin? can a tougher material be ordered? (shelia)
How many tether lines are needed to secure the blimp? Trying to determine what would be needed to secure this to a roof of a building.
How much cubic feet of helium is needed for this blimp?
In your response you mentioned that if intake valve is well tighten, one will need to refill a little helium every 7-10 days, how much approx (cube?)