2 ANTIQUE MIL PISTON TRAINERS OF WWII AND KOREAN VINTAGE HAD A MINOR COLLISION WHILE DEPARTING THE RWY AFTER A WARBIRD FORMATION FLYBY.

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AFTER FLYING THE SAT AIR SHOW ROUTINE; WE WERE RECOVERING THE FLTS ON RWY 27 IN RELATIVELY STRONG WIND GUSTS AND L XWINDS. FOLLOWING STANDARD FORMATION LNDG PROC; I REMAINED ON THE R SIDE OF RWY 27 IN THE MANDATORY STAGGERED POS SPACED BEHIND #3 ON THE L OF CTRLINE. DURING ROLLOUT IN A 3 POINT ATTITUDE; I ENCOUNTERED AND COLLIDED WITH ANOTHER ANTIQUE MTR (#2); WHO WAS STILL ON THE RWY WITH THE NOSE OF HIS ACFT IN A NORTHERLY DIRECTION BLOCKING THE R SIDE OF THE RWY. APPARENTLY HE CUT SHORT HIS ROLLOUT AND LINGERED ON THE RWY WHILE ATTEMPTING TO EXIT THE RWY WITH APPROX 2000 FT OF RWY LEFT TO THE W END OF 27 WHEN THE COLLISION OCCURRED. IN THE SHORT RESPONSE TIME AVAILABLE; I TRIED EVERYTHING TO AVOID A COLLISION BY APPLYING FULL L BRAKE AND RUDDER TO SWERVE L AND HOPEFULLY MISS THE OTHER ACFT BLOCKING MY PATH. UNFORTUNATELY; MY R WING TIP STRUCK HIS R TAIL. TO AVOID FURTHER CATASTROPHE; WE BOTH QUICKLY EXITED RWY 27 TO CLR THE AREA FOR THE ONCOMING TFC BEHIND US. NO INJURIES OCCURRED. CONTRIBUTING FACTORS WOULD; IN MY OPINION; BE THE FACT THAT WHEN NUMEROUS ACFT ARE LNDG FOLLOWING A FORMATION BREAK; IT IS STANDARD OPERATING PROC TO (LAND LONG) TO ALLOW SPACE ON THE APCH END FOR THE ACFT BEHIND. IT IS ALSO THEREFORE STANDARD OPERATING PROC TO THEN LAND; ROLLOUT; AND TAXI TO THE END OF THE RWY BEFORE EXITING. TO PREVENT: FOLLOWING FORMATION LNDG; TAXI TO THE END OF THE RWY. SUPPLEMENTAL INFO FROM ACN 217758. I FLEW THE WARBIRD FORMATION FLY-BY AT OSHKOSH. AFTER LNDG AND CLRING THE RWY; I WAS STRUCK ON THE R HORIZ STABILIZER AND RUDDER BY THE R WING OF THE ACFT LNDG BEHIND ME.