Dunne D.8
Blair Atholl Aeroplane Syndicate · United Kingdom · first flew 1912 · light aircraft
The Dunne D.8 was a pioneering British tailless biplane designed by J.W. Dunne and notable for being among the earliest aircraft to demonstrate inherent stability through wing sweep and twist.
Recognition (WEFT)
| W — Wings | High-mounted, swept |
|---|---|
| E — Engines | 1 × piston, fuselage-mounted |
| F — Fuselage | 7.3 m fuselage |
| T — Tail | No tailplane |
WEFT is AircraftIQ's four-point recognition method — how it works.
Spot it by:
- Tailless swept-wing biplane with a single pusher propeller
- Strongly swept upper wing with anhedral tips for stability
- No conventional tail surfaces
Strongly swept biplane wings with no tail whatsoever; wing tips exhibit washout twist for stability; pusher propeller driven by engine mounted centrally in the nacelle.
Specifications
- The Dunne D.8 has a length of 7.3 m (24 ft).
- It has a wingspan of 14.02 m (46 ft).
- Its maximum speed is 90 km/h (56 mph).
- Typical crew: 1-2.
Figures are for the representative variant described above; marks differ. See how AircraftIQ sources figures.
History
J. W. Dunne experimented with swept, tailless wings from 1906 at the Army Balloon Factory. When his D.5 crashed in 1911 it was rebuilt as the first D.8, which flew in June 1912 with a single pusher propeller; four were built, and licence-built Burgess-Dunnes served the US Navy and Signal Corps.
Variants
Earlier Dunne designs (D.1 through D.7) were progressive refinements; the D.8 represented the most mature biplane expression of the concept before Dunne moved on.
Where you'll see it
Never adopted for military or commercial service; operated as a private and demonstration aircraft only.
Related aircraft
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