Glossary
| bmep | brake mean effective pressure |
| bsfc | brake specific fuel consumption |
| CAT | carburetor air temperature |
| Fast's coupling | a type of shaft coupling |
| fmep | friction mean effective pressure |
| gph | gallons per hour |
| gpm | gallons per minute |
| imep | indicated mean effective pressure |
| inHgA | inches of mercury, absolute |
| inHgG | inches of mercury, gauge |
| isfc | indicated specific fuel consumption |
| MatCmd | USAAC Materiel Division Organization(s) |
| PPL | Engineering Division Power Plant Laboratory |
| Thermoid coupling | a type of shaft coupling |
| Van Dyke | A reproducible drawing |