The most important changes from the Birdy-DS at a glance:
Wing profile (HN 871)
Cross-tail without underslung fin
Smaller ailerons to avoid flutter
Stiff control runs with cross-strengthening,
Very sturdy fuselage with continuous plywood reinforcement
Of course a Flitschenhaken!
If you want to leave your valuable crunchies (molded models) on the ground when flying new slopes, or want to fly at a new location without cares or worries then you will make the right choice with a Birdy-DS.
Kit Contents:
CNC-Milled and laser components
Multi-colored full size plan
German-language building instructions
All small parts….
| Birdy DS Specifications | ||
|---|---|---|
| Wing span | 1.00 m | 39 in |
| Wing area | 14.4 dm2 | 223 sq in |
| Length | 81 cm | 31.9 in |
| Flying weight from | 350 g | 12.3 oz |
| Wing loading | 24.3 g/dm | 8.0 oz/sq ft |
| Aspect ratio | 6.9 | |
| Wing airfoil | HN 871 | |
| Dihedral angle | 3.0ยบ | |
| Centre of Gravity | TBA mm from wing leading edge | |
| Controls | Rudder, elevator, ailerons | |
| Birdy DS Typical Weights | ||
|---|---|---|
| Total structure | 290.0 g | 10.2 oz |
| Receiver | 4.5 g | 0.2 oz |
| Rudder servo | 4.5 g | 0.2 oz |
| Elevator servo | 4.5 g | 0.2 oz |
| Aileron servos (2) | 9.0 g | 0.3 oz |
| Battery | 20.0 g | 0.7 oz |
| Noseweight | 17.5 g | 0.6 oz |
| Flying weight | 350.0 g | 12.3 oz |
| Recommended R/C-nano gear only | |
|---|---|
| Elevator & rudder servos | Ripmax SD100, Blue Bird BMS-101AMG, Blue Bird BMS-101DMG, Blue Bird BMS-101HV, Blue Bird BMS-A10S, KST X08 |
| Aileron servos (2) | Ripmax SD100, Blue Bird BMS-101AMG, Blue Bird BMS-101DMG, Blue Bird BMS-101HV, Blue Bird BMS-A10S, KST X08 |
| Receiver | Spektrum AR6260*, AR6100e, AR400, Futaba R6004FF*, Orange DSM2 compatible, Jeti Duplex R4 & R5, Multiplex Mlink RX-6-DR Light*, FrSky D4R II |
| Battery | HyperLipo 2S 300 mAh, 150 mAh 4.8V, 1S 300 – 500mAh LiPo |
Our thanks to Mel Jones for use of his photos.



















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