Carbon Fiber Gull Wing Doors
Bearhawk 4-Place Door Installation
Details of Bob’s Door Catch for the Upper Front Windows
Utility Door System Photos & C.G. Testing Information
1999 Engineering Notice Regarding Upper Front Door Hinge Positioning (416 and below)
Engineering Notices
Source: 1999 Beartracks, Bob Barrows
Reference plans number 416 and below, Drawing #16. As shown in the drawing below change the 5 1/2" dimension to 5 3/4" to increase clearance between door frame and bottom of the wing in the open position. If the fuselage is already welded up, adjust hinge location for needed clearance.
