For Break-In we have terms and definitions in 3 topics. The topics are Import Cars, Remote Control Cars and Rope.

Break-in (Import Cars)

The operation of a new vehicle at a constant and even speed to assure even initial wear of all engine parts.

Break-in (Remote Control Cars)

The process of running a nitro powered engine at idle speeds to prepare it for general use. The generally accepted method is to run the engine very rich (the exact needle valve adjustment will vary from engine to engine) for at least 3-4 tanks while the car is on a car stand. Running a fan over the engine and varying the idle speed slightly during break-in is also generally accepted. NOTE: As the engine breaks in, the speeds will pick up and you may have to richen the air/fuel mixture slightly. An engine isn't fully broken-in until it has run about 10-15 tanks, at which point you will see its full potential.

Break-in (Rope)

A period of use in which the filaments of a rope settle in together; thus the rope lengthens somewhat.

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