ViS Sprint
| Company type | Aircraft manufacturer |
|---|---|
| Industry | Aerospace |
| Founded | Mid-2000s |
| Headquarters | Ukraine |
| Products | Ultralight aircraft |
The ViS Sprint is a pod-and-boom, two-seat ultralight aircraft featuring a pusher configuration, developed and manufactured in Ukraine during the mid-2000s. It is also suitable for use as an agricultural spraying platform.
Design and development
The Sprint is configured as a high-wing monoplane with a wing of uniform chord, constructed around a single straight-edged spar. Like the majority of the airframe, the wing is fabricated from duralumin and supported by a single streamlined strut on each side, angled forward and connecting to the lower fuselage. The wing incorporates flaps for enhanced control. The fuselage employs a pod-and-boom layout; the narrow pod accommodates two occupants seated in tandem beneath a three-part canopy that extends seamlessly from just behind the wing's leading edge nearly to the nose tip. The fixed tricycle undercarriage attaches directly to the fuselage, with spring-loaded cantilever main gear legs mounted below the points where the wing struts attach, complemented by a castoring nosewheel positioned slightly ahead of the nose on a short extension. Power is provided by a 73.5 kW (98.6 hp) water-cooled, flat-four Rotax 912 engine situated at wing height on the upper rear section of the pod, driving a three-blade propeller located just aft of the wing's trailing edge. The tail assembly consists of a T-tail mounted on a slender rectangular boom extending from the lower pod structure. The vertical fin is broad with swept, straight edges and features a rearward-sloping hinge for its nearly rectangular rudder; meanwhile, the horizontal tailplane is braced from below, attaching to the boom.[1]
The initial prototype, designated VS-3 Sprint, took flight in 2004 powered by a 34 kW (46 hp) Rotax 503 two-cylinder horizontally opposed two-stroke engine. Subsequent testing included an engine swap to a 63.4 kW (85.0 hp) Suzuki unit before ultimately standardizing on the Rotax 912 powerplant.[1]
Variants
- Sprint
- The standard model designed for sporting purposes
- Sprint SKh
- Version tailored for agricultural spraying tasks. Equipped with two aerodynamic tanks mounted beneath the fuselage, just forward of the wing support strut and main landing gear leg, holding 130 liters (28.6 Imperial gallons; 34.3 US gallons) of spray liquid. The chemical solution is dispersed through spray bars positioned under the wings, attached to the lower fuselage and reinforced on each side by a V-shaped strut beneath the wing.
Specifications (Sprint)
References
- ↑ 1.0 1.1 Jackson, Paul A. (2013). Jane's All the World's Aircraft : development & production : 2013-14. IHS Global. p. 657. ISBN 978-0-7106-3040-7.