Incident Overview
The pilot reported that during preflight inspection, fog was observed, which became heavier during the engine run-up before takeoff. During the run-up, the windshield began fogging, which the pilot noted usually clears when full power is applied. The pilot considered aborting the flight but decided to proceed with takeoff.
Takeoff and Sequence of Events
During the takeoff roll, the pilot focused on keeping the airplane straight but did not realize that the takeoff roll was not aligned with the runway. As the windshield cleared, the pilot observed a fence ahead and applied aft elevator control to clear the fence. The airplane impacted the fence and then came to rest upright.
Pilot Statement
The pilot stated there was no mechanical malfunction or failure during the event. The airplane sustained damage from the fence impact, and the pilot was able to exit the aircraft.
Summary
The pilot's decision to take off in foggy conditions, despite windshield fogging and consideration of aborting, led to a loss of directional awareness during the takeoff roll. The airplane departed the runway surface and struck a fence before coming to a stop.