The pilot reported that, during takeoff, in a crosswind, as the tailwheel lifted off the ground, the airplane veered left. He applied right rudder and hard right brake, but the airplane continued to weathervane. He then applied full brakes and reduced power to idle, the airplane departed the runway to the left, and skidded sideways on gravel before coming to an abrupt stop.
The airplane sustained substantial damage to the fuselage and horizontal stabilizer.
The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation.
The automated weather observation system at the accident airport reported that, about the time of the accident, the wind was from 220° at 8 knots, gusting to 18 knots. The pilot was departing on runway 31.