| Manufacturer |
TU-Braunschweig |
DirectFly |
| Description |
The Braunschweig LF-1 Zaunkönig, (LF – Langsames Flugzeug – literally, slow aircraft), is a STOL single-seat light aircraft. |
The Direct Fly Alto () is a Czech ultralight and light-sport aircraft, designed and produced by Direct Fly s.r.o. of Hluk. |
| ICAO Code |
|
ALTO |
| First Flight |
1940-12-01 |
|
| Entry Into service |
|
2008-01-01 |
| Designer |
Hermann Winter |
DirectFly |
| Type |
STOL light aircraft |
|
| Length (m) |
6.08 |
6.15 |
| Height (m) |
2.38 |
2.25 |
| Cockpit Crew |
1 |
|
| Max Speed (km/h) |
141 |
245 |
| Cruise Speed (km/h) |
125 |
210 |
| Min Speed (km/h) |
50 |
65 |
| Max Ceiling (m) |
3820 |
|
| Rate of Climb (m/s) |
2.85 |
5.5 |
| Armament |
1x Panzerfaust 100 mounted above mainplane centre section |
|
| Capacity Description |
|
one passenger |
| National Origin |
Germany |
Czech Republic |
| Number Built |
4 |
41 |
| Powerplant Description |
1 × Zündapp Z9-092 4-cyl. air-cooled inverted in-line piston engine, 37 kW (50 hp) each |
1 × Rotax 912ULS four cylinder, liquid and air-cooled, four stroke aircraft engine, 75 kW (101 hp) each |
| Primary Users |
|
Ukrainian Air Force |
| Status |
|
In production |
| Wikipedia Article (URL) |
en.wikipedia.org/wiki/Braunschweig_LF-1_Zaunk%C3%B6nig |
en.wikipedia.org/wiki/Direct_Fly_Alto |
| Flat Wing Span (m) |
8.02 |
8.1 |
| Flat Wing Area (m²) |
8.5 |
10.14 |
| Wake Category |
|
L |
| Number of Engines |
1 |
1 |