
FVM Ö1 Tummelisa | |
|---|---|
| Šalies | Švedija |
| Vaidmenį | Mokomieji orlaiviai |
| Pirmasis skrydis | 1920 m. birželio mėn. |
| Pastatytas | 28 |
2007 FVM Ö 1 Tummelisa (švediškai – Thumbelina) – vienvietis, vieno variklio švediškas biplanas nuo 1920-ųjų. Jį valdė Švedijos oro pajėgos kaip pažangus instruktorius iki 1930-ųjų vidurio.
Šaltinis: FVM Ö1 Tummelisa Vikipedijoje
| FVM O1 Tummelisa Vaikščioti aplink | |
|---|---|
| Fotografai | Nežinoti |
| Lokalizavimo | Nežinoti |
| Nuotraukos | 11 |
Taip pat žiūrėkite:
General Characteristics
The FVM Ö1 Tummelisa (Swedish for “Thumbelina”) is a light, single-seat biplane from the 1920s. It was the most well-known and successful aircraft designed by FVM (Flygkompaniets Tygverkstäder på Malmen), the Swedish Army Aviation’s workshop. The aircraft was developed for advanced training, particularly for prospective fighter pilots, and was praised for its agility, though it demanded skill due to the gyroscopic effect of its rotary engine. When the Swedish Air Force (Flygvapnet) was established in 1926, the type was officially designated Ö 1 (Övningsplan 1, or Advanced Trainer 1). Remarkably, it served until the mid-1930s without any fatal accidents.
| Property | Typical Value (Ö 1) |
|---|---|
| Vaidmenį | Advanced Trainer Aircraft |
| National Origin | Švedija |
| Gamintojas | FVM (Flygkompaniets Tygverkstäder på Malmen) |
| First Flight | 1920 m. birželio mėn. |
| Pensininkas | 1935 |
| No. Built | ~28–30 |
| Įgulos | 1 (Pilot) |
| Ilgis | 5.5 m (18 ft 1 in) |
| Sparnų ilgis | 7.8 m (25 ft 7 in) |
| Max Takeoff Weight | ~535–552 kg (1,180–1,217 lb) |
Powerplant and Performance
- Engine: 1 x Thulin A 9-cylinder rotary engine (based on the Le Rhône).
- Power Output: 67 kW (90 hp).
- Propeller: 2-bladed.
- Maximum Speed: 145–148 km/h (90–92 mph).
- Service Ceiling: 5,000 m (16,000 ft).
- Construction: Light wooden construction with wings and tail coated in linen fabric. The fuselage was covered in plywood.
- Unique Feature: The rotary engine demanded special skill to compensate for the torque effect, making it an excellent, demanding advanced trainer.
Design and Legacy
- Original Name: Initially known as “Tummeliten” (Little Tom Thumb), but pilots quickly nicknamed it “Tummelisa.”
- Designers: Gösta von Porat and Henry Kjellson.
- Operational Use: Served primarily at the Swedish Air Force Flight Academy (F 5) at Ljungbyhed.
- Survivors: One original Ö 1 is preserved and displayed at the Flygvapenmuseum (Swedish Air Force Museum) in Linköping. At least one flying replica exists, built by Mikael Carlson.
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