Narrative:

Tower operator insisted that the wind was calm. AWOS said wind was 6 KTS from northeast. Tower assigned runway 27 for takeoff. After I objected; I did attempt takeoff. After acceleration; there was not sufficient right rudder to keep aircraft from exiting runway to left resulting in ground loop.

Google
 

Original NASA ASRS Text

Title: YMF-5 WACO PLT ATTEMPTS TKOF WITH A XWIND; DEPARTS RWY AND GND LOOPS AT HGR.

Narrative: TWR OPERATOR INSISTED THAT THE WIND WAS CALM. AWOS SAID WIND WAS 6 KTS FROM NE. TWR ASSIGNED RWY 27 FOR TKOF. AFTER I OBJECTED; I DID ATTEMPT TKOF. AFTER ACCELERATION; THERE WAS NOT SUFFICIENT R RUDDER TO KEEP ACFT FROM EXITING RWY TO L RESULTING IN GND LOOP.

Data retrieved from NASA's ASRS site as of January 2009 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.