BALLOON SELECTOR AND
SOUNDING PREDICTION TOOLS
1. Handy CONVERsions
Courtesy of W3 Schools
Recommendations:
- Weigh or estimate your total payload weight. Do not include the weight of the balloon.
- Convert your payload weight from Pounds to Grams for the Burst Calculator.
Recommendations:
1) Payload Mass: Input in Grams.
2) Target Burst Altitude: Clear/ Leave Blank.
3) Target Ascent Rate: Confirm/ Input "5.0"
4) Balloon Mass: Select from Kaymont Balloons. Results will change as balloon selection or payload mass are adjusted.
5) To reduce excess costs and waste, select the smallest size balloon that exceeds your Target Burst Altitude with a safe margin.
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- All weather balloon performance specifications and calculations with Helium (He) assume Ultra High Purity/ Grade 5 (99.999% Pure) Helium.
- Do not use Balloon Grade Helium for weather balloon launches- this lower purity helium is for party balloons, not atmospheric soundings.
- Helium is a safe, inert lifting gas suitable for meteorological balloon launches.
- The Burst Calculator above defaults to UHP Grade 5 Helium. Convert the results to Hydrogen (H) if desired by opening the Constants (Advanced) tab.
- Only experienced users and professionals should consider using Hydrogen as a lifting gas due to flammability and explosive risk.
- Commonly rented Helium tanks include 200 and 300 Cubic Feet (CF) volumes.
Kaymont does not supply, sell or rent lifting gas tanks. Please contact your local gas supply company for tank rental rates and availability.
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We recommend using a high altitude balloon predictor to estimate your sounding profile before your launch. Reliable predictors will factor in recent public atmospheric condition data, your payload weight, balloon size and lifting gas. We recommend the following Predictors for HAB Enthusiasts, Educators and Professionals:
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When preparing a weather balloon launch, it is your responsibility to understand and abide by all applicable laws and regulations governing their use and recovery of your payload. A pre-flight plan should be filed or sent as notification to relevant governing aviation agencies. It is your responsibility to ensure you are flying safe at all times.
Products, tools and information provided on this website and in the content connected to this site by referral links should not be taken as education, instruction, guidance or legal advice. It is the responsibility of the end user to ensure that all launches of meteorological balloons purchased from Kaymont are in accordance with local and federal laws, policies, guidelines and restrictions. The purchaser and end user of any product purchased from Kaymont understands and acknowledges that any use of these products outside of their intended purpose is considered a breach of contract and will void the product's warranty and any and all legal claims against Kaymont Consolidated, its employees and owners. Read our full Terms & Conditions Policy here.