RV6 PLT RAN INTO A HELI TRAILER DURING TAXI IN; CAUSING DAMAGE TO THE LNDG GEAR AND PROP.

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WE HAD LANDED ON RWY 16 AT GKY ARPT APR/SUN/02. WE STOPPED THE ACFT AND CLEANED IT UP (XPONDER OFF; CARB HEAT CLOSED; ETC). WE PROCEEDED DOWN THE TXWY TOWARDS OUR HANGAR WHEN 1/3 OF THE WAY DOWN WE HAD TO DEVIATE L ONTO THE RAMP DUE TO THE TXWY BEING BLOCKED OFF FOR CONSTRUCTION. THIS CONSTRUCTION HAS BEEN GOING ON FOR SOME TIME NOW -- ABOUT 60-90 DAYS. THIS PATH IS THE NORMAL PATH ACFT HAVE BEEN USING TO GET FROM THE HANGARS TO RWY 16 OR FROM THE RWY 16 TO THE HANGARS. WHILE TAXIING; I TURNED L AND R; DUE TO MY RV6 IS A TAIL DRAGGER. JUST AS I TURNED L FROM THE BLOCKED OFF TXWY; WE HIT A HELI TRAILER. THE HELI WAS GONE; FLYING; AND THE TRAILER WAS LEFT BEHIND. IT MEASURES 7.5 INCHES TALL. NO REFLECTORS WERE ON THE TRAILER EITHER. THE PROP CLRED THE TRAILER INITIALLY; BUT WHEN THE MAIN LNDG GEAR HIT THE TRAILERS; THE NOSE OF THE ACFT WENT OVER. THE PROP HIT THE TRAILERS AND BROKE ABOUT 1/2 INCH OFF THE TIP. THE MOST IMPORTANT ISSUE IS NOBODY WAS HURT. AS I WAS THERE TRYING TO UNDERSTAND WHAT HAD HAPPENED; 2 DIFFERENT INDIVIDUALS CAME UP TO ME AND SAID THEY HAD BEEN WARNING THE FBO AND THE ARPT FOR ABOUT 2 WKS NOW; THAT EVERY TIME THAT HELI GOES FLYING THEY LEAVE THAT THING IN THE MIDDLE OF THE WAY. MR Y SAID HE ALMOST HIT IT WITH A TRICYCLE AIRPLANE; AND MR Y SAID THAT HE KNEW OF SOMEONE ELSE THAT HIT THAT TRAILER BEING TOO LOW WITHOUT ANY REFLECTORS OR A DARKER COLOR. I HOPE THAT TYPE OF INCIDENT DOES NOT HAPPEN AGAIN TO SOMEONE ELSE -- ESPECIALLY IN ARLINGTON ARPT.