Vancil Spitz S1


The Vancil Spitz S1 is an American homebuilt aircraft that was designed and produced by A. Vancil of Belton, South Carolina, introduced in the late 1990s. When it was available the aircraft was supplied as a kit and also in the form of plans for amateur construction.

Design and development

The Spitz S1 is an ultralight replica of the Pitts S1 aerobatic biplane. It features a biplane layout, a single-seat open cockpit, fixed conventional landing gear and a single engine in tractor configuration.
The aircraft was designed to comply with the US FAR 103 Ultralight Vehicles rules, including the category's maximum empty weight of. The aircraft has a standard empty weight of. It can also be placed in the Experimental - Amateur-built category.
The Spitz S1 is made from metal tubing and wood, with its flying surfaces and tail covered in doped aircraft fabric and the fuselage covered in sheet aluminium. Its span wing has a wing area of. The standard engine used is the Christine Aero powerplant.
The aircraft has a typical empty weight of and a gross weight of, giving a useful load of. With full fuel of the payload for the pilot and baggage is.

Variants

;S1 ultralight version
;S1 homebuilt version

Specifications (version)