ABOVE, HOW THE SLIT IS DONE= 3ins long  1. 1/2ins  deep
Physical Dimensions: Scale: 1/24,Length: 29" ,Width: 14 1/2" ,Weight: 3.2lbs.Cushion Pressure: 5 lb/ft., Nominal Speed: 35 MPH  The SR-N6 amphibious hovercraft is used in many different roles. Originally, it was configured as a high-speed amphibious passenger ferry in Europe and the U.S.  It has the capability to travel over any smooth and level surface including water.  Several units are used by the Canadian Coast Guard in Search and Rescue roles and in maintenance of buoys and lighthouses. WE STOCK PARTS FOR THESE HOVERCRAFT