On June 2, 1996, at 2100 eastern daylight time, a Luscombe 8A, N2887K, operated by an ATR pilot nosed over during a forced landing shortly after takeoff. The accident occurred as the airplane was taking off on runway 27 at the Greenville Municipal Airport, Greenville, Michigan. Visual meteorological conditions prevailed and no flight plan was filed for the local 14 CFR Part 91 flight. The airplane was substantially damaged and the pilot was not injured. The flight originated at the Greenville Municipal Airport at 2045 edt. The pilot reported that he had been practicing touch and go landings prior to the accident. According to the pilot, the engine suddenly quit during the takeoff portion of the third or fourth touch and go. The pilot landed the airplane on the airport property; however, it nosed over during the landing. Post accident inspection of the airplane and engine was conducted by inspectors from the Grand Rapids, Michigan Flight Standards District Office of the Federal Aviation Administration. They reported that the main metering fuel jet in the carburetor was blocked by a substance which resembled Lock Tite.