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DIY Air Data Computer Asgard
The air data computer Asgard is out. It is a unit designed for DIYers, size and weight are compatible (fixation tabs have the same dimensions of standards servo tabs) with low-cost RC applications. Some aspects will be changed as per users feedback.
The ADC is an essential avionics component and you can find a reference configuration for the Asgard-ADC below:
Reference Configuration
Since it is possible to change some characteristic of the unit selecting different hardware, we propose a reference configuration. The reference configuration will have the following characteristics (complete hardware)
Overall weight: 47 grams
Overall dimensions: Without push in fittings 61x41x24 mm. With push in fittings, 81x41x24 mm. Fixing tabs dimensions are equal to those of a standard servo.
Assembly time: About 1.5 hours
Overall cost: 160 Eur (June 2017)
Power and Supply Current : Power to the ADC is supplied through a standard micro USB port, the same can be used to transfer data. Typical power source is a cell phone power bank.
Ratings: Maximum measurable IAS @ standard conditions and
.
/382.06 km/h.
/120.82 km/h. Raw sensor Range (-1,+1) Psi. Sample speed 50 Hz (user selectable).
Altitude, ISA (<4000,
) MSL.Raw sensor Range (0, 160000)Pa. Sample speed 50 Hz (user selectable). Uncertainty
, 0.056m @ 50 MSL and 0.064 m @ 1000 MSL.
Bluetooth: Present, usable with custom library to interact with an Android phone
Micro SD Card Reader: Present, micro SD Card 4GB
Temperature measurement: Present, uncalibrated typical 2 deg accuracy
All you need to know to build your ADC Asgard is available here.