The Knight Twister Imperial was developed from the original Payne Knight HT-85 Twister which first flew in 1933 and which was designed by Vernon Payne. The KT-85 was a single seater powered by a 90hp(67kW) Continental and had a maximum take-off weight of 960lb (435kg). The Knight Twister Imperial was intended as a competitor in the Sport Biplane class at the US National Air Races. The SKT-125 Sunday Knight Twister was powered by a 125hp(93kW) Lycoming and had a maximum take-off weight of 1016lb(461kg).

N28VP                      c/n 1                           USA

Single seat biplane first flown in 1970

Engine: 135hp(100kW) Lycoming O-290                                                                                       Length: 14’0"(4.26m)                                                                                             Height: 5’3"(1.6m)Wingspan: 17’6"(5.33m)                                                                                                No.built: 20+ Range: 680miles(1094km)                                                             Cruising speed: 160mph(257kmh) Empty weight: 900lb(408kg)                                                   Maximum take-off weight: 1125lb(510kg)