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

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Scale glider Jonker JS-1 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