PLT OF A CESSNA 182 INADVERTENTLY ENTERED CLASS C AIRSPACE DUE TO LACK OF PLANNING PRIOR TO DEP REGARDING PROX OF THE CLASS C AIRSPACE AND THE VFR CORRIDOR THROUGH THE ADJACENT CLASS B AIRSPACE.

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AFTER DEPARTING LONG BEACH ARPT AND REACHING 4500 FT PROCEEDED N ACROSS LAX THROUGH SFRA (SPECIAL FLT RTE AREA) TO SANTA MONICA VOR THEN ESTABLISHED ON V-23 NBOUND. SHORTLY AFTER THIS I NOTICED ON THE LOS ANGELES TAC THAT V-23 WENT THROUGH THE WESTERN EDGE OF THE BURBANK CLASS C. I WAS AT 4500 FT; THE TOP OF THE CLASS C IS 4800 FT. I TURNED L AND PROCEEDED TO THE W OF THE AIRWAY AND CLBED TO 6500 FT EVENTUALLY. I BELIEVE I DID POSSIBLY CATCH THE WESTERN EDGE OF THE CLASS C. AFTER TURNING I DID ATTEMPT CONTACT WITH SOCAL WHO GAVE ME A CTR FREQ FOR FLT FOLLOWING; BUT WERE BUSY. BETTER STUDY OF AN UNFAMILIAR RTE BEFOREHAND HAND WOULD HAVE PRECLUDED THIS; THOUGH COMING OUT OF THE LAX SFRA (SPECIAL FLT RTE AREA) AND PROCEEDING N ON V-23 CAN BE A BIT OF A 'GOTCHA' WITH THE BURBANK CLASS C TOP AT 4800 FT. DOES BURBANK REALLY NEED THAT LITTLE BIT? I EXPECT IMMEDIATE CONTACT WITH SOCAL WHEN COMING OUT OF THE CORRIDOR WOULD HAVE SAVED THIS FROM HAPPENING TOO. I HAD A FAIRLY STRESSFUL DAY WITH SOME DISAPPOINTMENT SO WOULD PROBABLY HAVE DONE WELL TO HAVE LEFT THE FLT UNTIL LATER.