Spec-Dor designs, builds and installs a wide variety of hangar doors for the military.
Fuselage door and separate door to cover fuselage required.
Combined both at a significant cost savings, cheap and the door is more reliable.
Original 15 meter tailfin door design's structure was too onerous for building loads.
Re-designed system to minimize load on main truss.
CFB Cold Lake
Manual towing design would potentially damage gear boxes.
Introduced helical bevel gear reducer.
Original spec was for 6-blade multidirectional on 3 tracks.
Redesigned door using 3 blades, 3 tracks, and a non-motorized center section, at significantly lower cost.