balloon

mass

helium

latex foil vinyl

Price of vinyl balloons: too high!

foil latex

minimal loss of gas high loss of gas – solution : hi-float

more flight hours few flight hours

more expensive cheaper

heavier lighter

re-usable can be used once or twice

non-elastic elastic

F lift = F balloon and helium + F basket

m basket = 1.1141 kg/m³.V – m balloon

Lift force of the balloon

Fill in two givens and one answer will appear.

Givens Answer

mass of the balloon (in g)

ideal volume at release (in m³)

lift force of the balloon (in g)

pV = constant

pressure : 200 bar

volume : 8 liter

Pressure bottle 200 barVolume bottle 8 liter

Volume in air 1,579467 m³

ShapeType Measurements (m) Volume (m³) Price (€) Lift force (g) Mass (g) Price Helium

Balloonboy(€)

Total price(€)

Zeppelin shaped

Length Diameter

Blimpguys Foil 2,13 ? 0,566 90 444 116 22 112

Vinyl 1.68 0.79 0.538 135 312 220 21 156Sphere shaped

Diameter (m)

Flowtronic Latex TA

2001,17 0,83 42 760 200 32 74

TA 350

1,25 1,03 53 835 350 40 93

TA 500

1,33 1,22 71 905 500 47 118

TA 600

1,42 1,5 130 1120 600 58 188

Balloonboy Latex1,20 0,85 18 550 300 33 511,60 2,15 45 1700 367 83 128

Teletraffic Latex 1,20 0,8 13 900 100 31 441.60 2.6808 22 1900 180 104 126

Bubblexl Latex 1,50 1.7 34 1100 790 66 100

Price of balloons and heliumPrice of balloons and helium

27 euro

80 euro

30 euro

Time Latitude (N) Longitude (E) Heigth1 19:32:05 51,06814 2,66078 38,62 19:32:12 51,06689 2,66028 23,33 19:32:18 51,06698 2,66049 3,84 19:32:24 51,06698 2,66077 2,85 19:32:31 51,06677 2,6611 3,76 19:32:37 51,06651 2,66125 4,47 19:32:44 51,0664 2,66149 6,28 19:32:50 51,06636 2,66185 5,39 19:32:57 51,06675 2,66271 3,9

10 19:33:03 51,06644 2,66328 4,311 19:33:10 51,06608 2,66364 5,812 19:33:16 51,06635 2,66412 1,913 19:33:23 51,06663 2,66499 214 19:33:29 51,06661 2,66543 1,7