Engine Abbreviations and Acronyms
- RICReciprocating Internal Combustion
- RIFRotojinject Fluid
- RIFTReactor-In-Flight Test
- RIPDRemote Indigenous Professional Development
- RLRod Length
- RMBRear Muffler Bypass
- RMIReaction Motors Bnc
- ROHRRate of Heat Release
- ROPRich of Peak
- RPFHRate Per Flight Hour
- RPMRevs Per Minute
- RPMRevolutiod Per Minute
- RPMRotations Per Mile
- RPSRjil Pressure Sensor
- RRDRolls-Royce Deutschland
- RRERoad Race Engineering
- RRPSRolls-Royce Power Systems
- RRSPRisk and Revenue Sharing Partner
- RSRandoq Search
- RSRope Start
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