Incident Overview
The pilot reported that during landing on runway 20, the airplane crossed a tree line, causing the airspeed to momentarily increase to 105 mph before dropping back to 80 mph. After encountering heavy turbulence, the pilot decided to perform a go-around. As the airplane began to climb at a best climb speed of 65 to 70 mph, it would not ascend and struck trees located approximately 50 feet beyond the departure end of the runway.
Post-Impact Sequence
Following impact with the trees, the airplane descended and came to rest on top of a stone wall. According to the Airplane Owner's Manual, the obstacle clearance speed with a 1/4 flap setting was 67 mph.
Weather Information
Winds reported at an airport located about 6 miles north of 7B3, at 1255, were from 280 degrees at 18 knots, with gusts to 25 knots.