Australian Lightwing SP-4000 Speed explained

The Australian Lightwing SP-4000 Speed is an Australian kit aircraft, designed and produced by Australian Lightwing of Ballina, New South Wales. The aircraft is supplied as a kit for amateur construction.^{[1] [2]}

Design and development

The aircraft was developed from the two-seat SP-2000 Speed and features a cantilever low-wing, a four-seat enclosed cockpit, fixed tricycle landing gear and a single engine in tractor configuration.^[2]

The aircraft fuselage is made from welded steel tubing covered in non-structural fibreglass. Its 81NaN1 span wing is built from 6061-T6 aluminum covered in doped aircraft fabric and fibreglass. Standard engines recommended are the 150to Lycoming O-320 or the 180to Lycoming O-360 four-stroke powerplants, along with similar Continental Motors, Inc. or auto-conversions. Cockpit access is via gull-winged doors on both sides. Wheel pants are usually fitted.

Notes and References

1. Bayerl, Robby; Martin Berkemeier; et al: World Directory of Leisure Aviation 2011-12, page 29. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X
2. Tacke, Willi; Marino Boric; et al: World Directory of Light Aviation 2015-16, page 31. Flying Pages Europe SARL, 2015.