Crude Python scripts to record serial data from Grand Rapids EIS 4000, Dynon D-10A EFIS, Garmin GNS 430 and an event marker. They will probably need to be modified to meet your exact needs, but they might serve as a starting point, or give some ideas.
Corrects true airspeed achieved for non-standard temperatures. Assumes that the engine power varies with temperature as specified on Lycoming power charts. Not yet validated by flight test.
Zipped Excel and OpenOffice spreadsheets that calculates airspeed indicator reading vs water manometer height. ASI reading may be in mph, kt or km/h. Water manometer height may be in inches or mm. Version 2 adds a correction for water temperature. By Kevin Horton
Perl script to record serial data from a Grand Rapids EIS 4000 Engine Monitor. High resolution computer time is appended to each data record to facilitate time sync with other data. Tested on OS X, but should work on Linux, and may work on Windows.
Perl script to record serial data from a Dynon D10A EFIS. High resolution computer time is appended to each data record to facilitate time sync with other data. Tested on OS X, but should work on Linux, and may work on Windows.
Zipped Excel and OpenOffice spreadsheets to convert back and forth between calibrated airspeed and the pressure inputs to the airspeed indicator. Useful if you want to calibrate your airspeed indicator using something other than a water manometer. If you want to use a water manometer, see "CAS vs Water Manometer height". By Kevin Horton.