Valmet L-70 Vinka
L-70 Vinka | |
---|---|
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A Valmet L-70 taking off from Oripää Airfield | |
Role | Trainer aircraft
|
Manufacturer | Valmet |
First flight | 1 July 1975 |
Introduction | 1980 |
Status | In Limited Use |
Primary user | Finnish Air Force (historical) |
Number built | 30 |
Variants | Valmet L-80 Turbo-Vinha Valmet L-90 Redigo |
The Valmet L-70 Vinka is a Finnish-designed
Development and design
The Finnish state-owned manufacturing conglomerate
![](http://upload.wikimedia.org/wikipedia/commons/thumb/6/6c/Valmet_L-70_Miltrainer.jpg/220px-Valmet_L-70_Miltrainer.jpg)
The aircraft is a low-winged
The Finnish Air Force placed an order for 30 aircraft, to be designated Vinka (Blast (of wind)) on 28 January 1977, with the aircraft to be built at Valmet's Kuorevesi plant.[5]
Operational history
The Vinka entered service on 13 October 1980
Valmet attempted to market the type internationally under the name L-70 Miltrainer, but no orders followed.
On 1 September 2022 the Vinka was removed from Air Force service after over 40 years of service,[8] being replaced by 28 ex-RAF Grob G 115Es.[9]
L-80 TP Turbo Vinha
After unsuccessfully having tried to market the L-70 Vinka for the export market, Valmet developed a turboprop version with a new wing and a retractable undercarriage. This aircraft was given the designation L-80 TP Turbotrainer. The prototype (OH-VBB), powered by a 360 shp (268 kW)
Operators
Specifications (L-70 Vinka)
Data from Jane's All The World's Aircraft 1982–83[4]
General characteristics
- Crew: 2
- Capacity: up to 2 passengers
- Length: 7.5 m (24 ft 7 in)
- Wingspan: 9.85 m (32 ft 4 in)
- Height: 3.31 m (10 ft 10 in)
- Wing area: 14 m2 (150 sq ft)
- Airfoil: NACA 632A615 mod[13]
- Empty weight: 767 kg (1,691 lb)
- Gross weight: 1,050 kg (2,315 lb)
- Max takeoff weight: 1,250 kg (2,756 lb)
- Powerplant: 1 × Lycoming AEIO-360-A1B64-cylinder air-cooled horizontally-opposed piston engine, 149 kW (200 hp)
- Propellers: 2-bladed variable-pitch propeller
Performance
- Maximum speed: 240 km/h (150 mph, 130 kn)
- Cruise speed: 222 km/h (138 mph, 120 kn) 75% power at 1,525 m (5,003 ft)
- Stall speed: 85 km/h (53 mph, 46 kn) (flaps down, power off)
- Never exceed speed: 360 km/h (220 mph, 190 kn)
- Range: 860 km (530 mi, 460 nmi)
- Service ceiling: 5,000 m (16,000 ft)
- Rate of climb: 5.7 m/s (1,120 ft/min)
Armament
- Hardpoints: 4 underwing hardpoints with a capacity of
- Inner hardpoints: 150 kg (330 lb) each
- Outer hardpoints:100 kg (220 lb) each
- Maximum external load: 300 kg (660 lb)
See also
Related development
Aircraft of comparable role, configuration, and era
References
![](http://upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png)
- Notes
- ^ Air International December 1979, p. 266
- ^ Air International December 1979, p. 265
- ^ Air International December 1979, pp. 289–290
- ^ a b Taylor 1982, pp. 48–49
- ^ Air International December 1979, pp. 265, 268
- ^ Air International February 1981, p. 73
- ^ a b Green & Swanborough Air International March 1986, p. 114
- ^ a b Bower Air International March 2023, p. 93
- ^ Bower Air International March 2023, p. 94
- ^ Green & Swanborough Air International March 1986, pp. 114–117
- ^ Green & Swanborough Air International March 1986, p. 117
- ^ "Finnish Air Force Aircraft Fact Sheet: Valmet L-70 Vinka" (PDF). Finnish Air Force. January 2018. Archived from the original (PDF) on 29 January 2022. Retrieved 3 June 2018.
- ^ Lednicer, David. "The Incomplete Guide to Airfoil Usage". m-selig.ae.illinois.edu. Retrieved 16 April 2019.
- Bibliography
- Bower, Derek (March 2023). "Finland goes for Grob". Air International. Vol. 104, no. 3. pp. 92–97. ISSN 0306-5634.
- "A doughty Finnish wind...Vinka Enters Service". ISSN 0306-5634.
- Green, William; Swanborough, Gordon (March 1986). "Valmet's Turbotrainer...A Northern Newcomer with Tradition". Air International. Vol. 30, no. 3. pp. 111–117. ISSN 0306-5634.
- "A New Northerly Air Current...The Vinka From Valmet". Air International. Vol. 17, no. 6. December 1979. pp. 264–268, 289–290. ISSN 0306-5634.
- ISBN 0-7106-0748-2.