Lower the brakes in the air file to -12767 and in the cfg, make sure the tailwheel has at least a 75 degree steering angle:
[contact_points]
//0 Class
//1 Longitudinal Position (feet)
//2 Lateral Position (feet)
//3 Vertical Position (feet)
//4 Impact Damage Threshold (Feet Per Minute)
//5 Brake Map (0=None, 1=Left, 2=Right)
//6 Wheel Radius (feet)
//7 Steer Angle (degrees)
//8 Static Compression (feet) (0 if rigid)
//9 Max/Static Compression Ratio
//10 Damping Ratio (0=Undamped, 1=Critically Damped)
//11 Extension Time (seconds)
//12 Retraction Time (seconds)
//13 Sound Type
//14 Airspeed limit for retraction (KIAS)
//15 Airspeed that gear gets damage at (KIAS)
point.0=1, -20.21, 0.00, -3.36, 3200, 0, 0.30, 75.0, 0.40, 2.5, 0.80, 8.0, 6.00, 0, 0, 135
point.1=1, 1.41, -5.96, -7.05, 2200, 1, 1.05, 0.0, 0.50, 2.5, 0.83, 3.5, 3.00, 2, 0, 135
point.2=1, 1.41, 5.96, -7.05, 2200, 2, 1.05, 0.0, 0.50, 2.5, 0.83, 10.5, 10.25, 3, 0, 135
point.3=2, 0.00,-20.00, -1.25, 1200, 0, 0.00, 0.0, 0.00, 0.0, 0.00, 0.0, 0.0, 5
point.4=2, 0.00, 20.00, -1.25, 1200, 0, 0.00, 0.0, 0.00, 0.0, 0.00, 0.0, 0.0, 6
point.5=2, -20.25, 0.00, 1.00, 2400, 0, 0.00, 0.0, 0.00, 0.0, 0.00, 0.0, 0.0, 9
point.6=2, 2.41, 0.00, -2.08, 1200, 0, 0.00, 0.0, 0.00, 0.0, 0.00, 0.0, 0.0, 4
