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SOLAR ACTIVITIES
Do it yourself
³-Solar airship 10m ³-Solar balloon 67m ³-Solar balloon 1420m ³-Solar van -Solar protractor
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Do it yourself - DIY |
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Matter:The material used is low density polyethylene (LDPE) or high density (HDPE). At equal strength, HDPE is lighter than LDPE. Commonly, you will find LDPE trash bags. Systematically, choose low-end garbage bags. In fact, it's top of the range for the activity! |
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To weigh:Weight is the enemy of anything that flies. I recommend that you bring a scale with an accuracy of 0.1g. For any realization, the surface of the balloon is provided. By weighing 1m² of material and multiplying by the area indicated, you will know if your balloon can fly. |
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Thermo-welding:It is the action which consists in connecting two sheets of poyethylene between them, using a soldering iron. However, beware of welds. For a solar balloon from 0m³ to 6m³, the welds do not require reinforcement. Beyond that, reinforcement by adhesive is recommended. |
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Adhesive:If we do not exceed their mechanical limits, the adhesives are extremely reliable. They are used to reinforce welds, but also as anchor points, etc. From 6m³ to 20m³,adhesive tape, width: 19mm. From 20m³ to +,Wrapping adhesive tape, width: 50mm. Fiberglass reinforced adhesive tape, width: 50 mm. |
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Wind:The other enemy is the wind. It prevents the envelope from inflating correctly. The pressure in a solar balloon is low. It is insufficient to counter the pressure of a wind > 5 km/h on the envelope. I use theWindguru website or app for my wind forecasts - Free version - |
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Your designs:You can extrapolate the dimensions provided in the plans orconsult me.Free quote. |
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