Take the data with you.

Download the reports, the measurements behind the findings, or the original Garmin logs. Every route and trend on this site comes from these recordings.

PDF · 17 PAGES

The engine lifetime report

The full analysis, with plain-English introductions, graphs, methodology and priorities for Loren Ahrens.

Download889 KB
PDF · 3 PAGES

October GAMI test report

The October 11 lean test, the July comparison and concise findings prepared for Ahrens Aviation.

Download288 KB
ZIP · ORIGINAL FILES

The complete recorded archive

775 usable timed native Garmin logs, preserved byte-for-byte. Includes ground sessions and the 541 flight-bearing recordings used in the analysis.

Download175.1 MB
ZIP · FEB–MAR 2025

The low-fuel-flow period

All 24 usable timed files from February and March 2025: 17 flight-bearing logs and seven ground-only sessions.

Download7.7 MB
CSV · FLIGHT METRICS

The lifetime measurements

Per-recording engine summaries, observed hours, region classifications and condition-matched comparisons.

Download1.1 MB
CSV · NATIVE GARMIN FORMAT

October 11 test flight for Savvy

The original main GAMI test-flight file, ready to upload to Savvy. Its native format and bytes are preserved.

Download2.9 MB

Supporting datasets.

DatasetWhat it containsSize
Journey index ↓Dates, airport pairs, recorded duration, track distance and departure readings.6 KB
GPS routes · GeoJSON ↓Recorded route geometry for use in a GIS or another mapping tool.419 KB
Comparable high-field departures ↓All 47 departure windows: 20 earlier, 13 in the low-flow period and 14 later.45 KB
Departure measurements ↓Power, fuel, temperature and altitude summaries for selected departure windows.500 KB
Event evidence ↓Original filenames, times and measurements for events selected for review.12 KB
Comparisons with fixed 2024 references ↓Later-flight comparisons with a consistent historical reference pool.2 KB
Lean-test candidate review ↓Accepted and rejected mixture sweeps and review notes.6 KB
Source manifest & hashes ↓Original relative filenames, file fingerprints and ingestion audit information.437 KB

The complete archive contains the 775 usable timed source files retained by the analysis; duplicate and empty files are excluded. Native CSVs retain their original Garmin formatting. Derived durations are based on recorded samples and are separate from tach or Hobbs time. All website dates are UTC.

File sizes and SHA-256 fingerprints ↗ · Research sources