AN RV6 PLT MADE A NON STANDARD REQUEST AT FFZ; USING TERMINOLOGY THE TWR DID NOT SEEM TO UNDERSTAND; YET APPROVED. THE MANEUVER CAUSED ANOTHER ACFT TO TAKE EVASIVE ACTION.

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I WAS RETURNING TO HOME FIELD IN MY EXPERIMENTAL ACFT. SINCE THERE WERE NO XMISSIONS ON TWR FREQ; I REQUESTED TO ENTER THE PATTERN BY A 'MIL BREAK' FROM A LOW APCH. I FREQUENTLY USE THIS ENTRY LEADING A FORMATION FLT TO THE FIELD. I REQUESTED A L BREAK; WHICH IS AWAY FROM THE NORMAL R TFC PATTERN; BUT WAS GIVEN A R BREAK BY THE TWR. (THIS IS CONTRARY TO THE NORMALLY ASSIGNED BREAK AWAY FROM THE TFC PATTERN.) I RECONFIRMED WITH THE TWR THE R BREAK; AND BROKE AT MID-FIELD. AS I BROKE; I NOTICED A CHEROKEE MIDFIELD ON A WIDE DOWNWIND; WHICH DID NOT PRESENT A PROB SINCE THE BREAK MANEUVER FINISHES ON A VERY CLOSE-IN DOWNWIND PATTERN. HOWEVER; THE CHEROKEE PLT APPARENTLY WAS NOT COMFORTABLE WITH THE 'BREAK MANEUVER' AND EXECUTED A 360 DEG TURN ON THE DOWNWIND LEG. I FELT BAD THAT I APPARENTLY SCARED THE CHEROKEE PLT WITH THE BREAK MANEUVER; SINCE HE DIDN'T UNDERSTAND THE PATTERN ENTRY I WAS EXECUTING. IN THE FUTURE; I WILL ONLY USE THE 'MIL BREAK' PATTERN IF TWR CLRS ME TO BREAK AWAY FROM THE NORMAL TFC PATTERN. THIS PROC WILL AVOID STARTLING MY FELLOW AIRMEN UNFAMILIAR WITH THE MIL PATTERN ENTRY.