Rotary Compression Tester - I told you Rotarycompressiontester.com was working on some good stuff! Go check out the compression calculator now (pic below)....the #RCTV5 is listed on the compression calculator page now.
Virtual Engine Calculator 2.2 Download (Free)...
Heat Engine Work Calculator - Calculator Academy
Engine Tuning Calculator PRO - Apps on Google Play
DriveCalculator Motor and Prop Efficiency Guide — Plane documentation