Launch performance
A lightweight composite airframe developed for efficient launches and stable flight.
D1S.
F3K DLG.
Developed through F3K competition.
Designed and built in Croatia.
Configure your D1S Made to order
From €749.00
About the D1SFrom €749.00
D1S · YOUR DESIGNDESIGN 04
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Colour preview · Actual colours may vary slightly.
Pink / Turquoise
220 g RTF weight from3 layups2025 World Champion’s glider
Built through
F3K competition.
The D1S is a discus launch glider developed through F3K competition. Its lightweight composite construction and tail design have been refined through testing and feedback from the pilots who fly it.
Explore the D1S
Tail design
The D1S tail improves low-speed handling and turning precision when flying in thermals.
Model options
Choose from three layups and five wing designs, then select your colours, equipment and throwing side.
Light, Standard
or Strong.
Choose your layup to start configuring the model.
The weights below are ready-to-fly starting weights.
Competition results.
2026 Eurotour
overall winner
Arijan Hucaljuk
F3K World
Championship 2025.
Four D1S pilots reached the flyoff at the 2025 F3K World Championship. Marko Damjanović finished first and Arijan Hucaljuk second.
Marko Damjanović
F3K World Champion · 2025
Arijan Hucaljuk
F3K Vice World Champion · 2025
Accessories
for your D1S.
D1S in flight
and on the field.
View the gallery Frequently asked
questions.
Contact FlyPeak What is a DLG?
A discus launch glider is a radio-controlled sailplane launched by a spinning, discus-style motion using a peg in its wingtip. F3K is the competition class in which pilots fly timed tasks and use thermals to stay aloft.
When will my D1S be ready?
Models are made to order. Production time depends on the waiting list. We confirm the lead time for your order. In-stock items ship within 7 days after payment.
Can I choose my colours and equipment?
Yes. Choose your layup, throwing side, wing design, colours, covers, ballast and ready-to-fly option in the D1S configurator. For a custom design, add your ideas to the order notes.
Where do you ship?
Choose your destination in the configurator to see a shipping estimate. The final shipping price is calculated for your complete cart at checkout. Contact us if you need help with delivery.