Hotairballoon load calculator for iOS

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Developer’s Description

This app allows you to configure and perform load calculations of your hotairballoon. The environmental settings can be retrieved automatically...

This app allows you to configure and perform load calculations of your hotairballoon. The environmental settings can be retrieved automatically from the internet. Then based on all settings the load calculation is performed and the results are displayed. When limits are exceeded results are displayed in red. The app contains a database with balloon components of well known manufacturers to make fast, easy and accurate configuration possible. The app looks up information on the internet but no information will be pushed to it to keep your data private.Features:You can configure:- persons on board- cylinders- the envelope- basket and burner- meteo informationMetar info can be retrieved automatically for an given airfield to: - retrieve actual ground temperature- determine actual field elevation *- retrieve current QNHAll configuration data is kept locally on your iPhone or iPad.Multiple balloon configurations can be stored.Envelope volumes can be entered in cubic meters or in cubic feet. The app determines automatically if cubic meters or cubic feet are used based on the entered value. For values greater than 1000, cubic meters are assumed, cubic feet (in thousands) for values < 1000.* for automatic field elevation a build in barometer is required* for automatic info retrieval an internet connection is requiredVersion 2.0 new feature:- The nearest airport can now automatically be located and used to retrieve the QNH and temperature.Version 2,1 new features:Reduced network access to improve speedRefresh button on results screenCalculate results when app enters foregroundPassenger delete on swipe right-to-leftCylinder delete on swipe right-to-leftGreen or red results indicate whether or not the balloon is overloadedApp version is now displayed on environment screenRefresh buttons will force fresh data from internetNote: When all automatic options are selected the following steps are taken to retrieve meteorological and field information:1. Search for the nearest airport that provides a metar report2. Using the retrieved metar get the QNH and temperature.3. When your phone contains a barometer field elevation is determined4. The retrieved values are then used to perform the load calculationIn some cases you may not want all options selected. If you are for example preparing your flight at noon you may want to enter the ground temperature manually because it will differ when you are flying in the evening. Known limitations- currently temperatures are displayed in degrees celsius onlyThis app was made by balloon pilots for balloon pilots. In case you are missing any cylinder, basket or burner types in the configuration list please supply information details of those to us and we will update the app. For questions or recommendations please contact info@hotballoon.nl