LSG Waterkant-Zetel e.V. – 1st German Club to receive JS3
LSG Waterkant-Zetel e.V. received their JS3, serial number 83, on the 18th of June. They send to us some very
July 9, 2020
Latest News
JS in SEGELFLIEGEN
The latest issue of the gliding magazine SEGELFLIEGEN has just been dispatched to shops in Germany and Austria. This issue
June 30, 2020
JS3 Rapture Weight and Balance – made easy by LXNAV
For those who missed the link in our latest newsletter, here is a copy of the article… Weight and balance
June 18, 2020
Competitions
Congratulating the best women glider pilots in the world – 10th Women’s World Gliding Championship
Jonker Sailplanes would like to congratulate the best women glider pilots of the world with their stunning performance Down Under!
January 22, 2020
Sailplane Grand Prix Series 10 – 2nd Qualifying Round South Africa
The Sailplane Grand Prix Series 10 – 2nd Qualifying round, hosted by Akavlieg Potchefstroom Gliding Club, was held from 3
January 11, 2020
CIM – Coppa Internazionale del Mediterraneo – 2019
From 4 August 2019 – 14 August 2019 JS’s European Agents participated at the COPPA INTERNATIONALE DEL MEDITERRANEAN CIM in
August 14, 2019
Tech Talks
Why you should avoid too large winglets – from our Aerodynamic Chief Engineer Johan Bosman
The image shows a flow field around a wing tip without a #winglet. More precisely, it shows the extent of positive
May 8, 2020
JS5 (Open Class Single seater) wing design from our Aerodynamic Chief Engineer Johan Bosman.
The #JS5 wing has 2 sections per side with a removable winglet (as strongly recommended by Cobra trailer design team). The 4
May 8, 2020
JS3 high wing design – from our Aerodynamic Chief Engineer Johan Bosman
Why did you select a high-wing configuration on the JS3? Top performance sailplanes essentially must have the ability to climb
May 8, 2020