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G-force computer and display

Contains sensors and script to calculate the experienced G-force along the normal axis of the vehicle. The script is capable of calculating G-force through all turns including 0-G flight and loops at any attitude or roll.

How to use:
- You can either cut/move all the sensors and microcontroller as is, then connect electricity, video to 1x1 monitor and composite output to monitor OR only use microcontrollers and connect the required sensors. If you want to use your own display you can connect to the "G-force" output.
- IMPORTANT: the GPS-sensor and altitude sensor should be placed next to eachother and as near as possible to the center of gravity for most accurate read-out.
- It's very sensitive so I have included a smoothing feature with a adjustable slider. Click on the microcontroller to access.

The display:
The blue line indicates the maximum measured G. Press anywhere on the display to reset.

How it works:
I'm not an engineer so the calculations might not be 100%, but I believe it's quite accurate.The script takes into account static G and dynamic G. Static G being the pull of gravity always acting towards the earth and dynamic G the apparent pull when making turns. The static one is fairly simple to retrieve, it's the angle between the aircraft's normal axis to a vector pointing straight down. On the other hand, dynamic G must be calculated using the formula 'v^2 / r". I have considered the turning radius as a point of equal distance to the three last retrieved coordinates of the vehicle and the speed is measured from the last retrieved position. The vector of dynamic G is measured against the vehicle's normal axis before being added to the static G.


Hope you like it, have fun!