Blog Archives

Version 1.3 Coming Soon

          I submitted a Rocket Calculator update (version 1.3) yesterday, which should be available within the next few days to a week. The changes include the following: Input option for elevation and temperature to compute correct

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Update Available

Version 1.2 just got approved and is available for download. What’s new: – Corrections to motor data. – Added the motor and body tube lookup buttons to the main Altitude Prediction screen. Coming Soon ** Temperature and elevation inputs to

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Update Available

The new update has some bug fixes and usability improvements. I also added the option to run Altitude Prediction calculations with zero drag. I’m working on another update to the Altitude Prediction calculator that will use altitude and temperature to

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Minor Update Available

Version 1.1.42 is available. This fixes a minor bug which affected the email response for devices that didn’t have a mail account setup. I also added a ‘Rate this App’ link to the about screen.

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Update Available

The App Store approved my latest update yesterday. This adds a motor look-up option to the Altitude Prediction->Data Assistant screen. It also fixes a minor issue on the Static Pressure Port calculator screen. Here’s a screen shot from the motor

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App Update – Body Tube Lookup for Altitude Prediction

I added a body tube look-up feature to the Altitude Prediction calculator. There is a new button on the Data Assistant screen which will provide a list of tubes to pick from. After selecting a body tube, the tube’s diameter

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Update Available

This update adds a few new features to the altitude prediction calculator. It will display the motor class percentage and thrust to weight ratio once a calculation is made. If the thrust to weight ratio is more than five the

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