High-performance one-seat South African sailplane.
Function: cross-country flying, efficient sailing
Manufacturer: Jonker Sailplanes
Produced: 2006 –
Wingspan: 18 m
Lenght: 7,17 m
Max. takeoff weight: 600 kg
Max. speed: 290 km/h
Glide ratio: 53
Scale glider Jonker JS1 Revelation, built from kit HMODEL CZ
Wingspan: 9 m
Weight: 24,5 kg
Scale glider Jonker JS-1 Revelation, built from kit TUN Modellbau
Scale 1:2
Scale glider Jonker JS-1C Revelation, scratch build
Wingspan: 7 m
Lenght: 2,5 m
Weight: 13 kg