Photograph:
SG Aviation Rally 24-5305 (c/n R3-OOR-0008) at Albion Park, NSW in 2011 (David C Eyre)
Country of origin:
Italy
Description:
Two-seat light touring and training monoplane
Power Plant:
One 75 kw (100 hp) Rotax 912 four-cylinder horizontally-opposed liquid-and-air-cooled engine
Specifications:
- Wingspan: 8.6 m (30 ft 1 in)
- Length: 7.08 m (23 ft 2 in)
- Height: 2.14 m (7 ft)
- Wing area: 11.61 m² (124.96 sq ft)
- Max speed: 230 km/h (149 mph)
- Cruising speed at sea level at 75% power: 215 km/h (134 mph)
- Cruising speed at sea level at 55% power: 190 km/h (119 mph)
- Stalling speed full flap: 61 km/h (34 mph)
- Rate of climb: 305 m/min (1,000 ft/min)
- Ceiling: 3,658 m (12,000 ft)
- Range at 75% power: 1,740 km (1,088 miles)
- Range at 55% power: 1,832 km (1,124 miles)
- Empty weight: 358 kg (790 lb)
- Loaded weight: 660 kg (1,455 lb)
History:
The 105 Rally series of light aircraft is one of a range of ultralight aircraft produced in Italy by SG Aviation to meet the requirements of the world market. A number of models became available to suit customer requirements, being in two-seat form (Storm 300) or four-seat form, the latter being the Storm 400 with 2 + 2 seating. Examples of all models have been imported to Australia and completed by amateur constructors.
The Rally is a two-seat, dual controls, high-wing, strut-braced aircraft available with a wing with an aluminium spar, aluminium ribs with upper, lower and leading-edge of aluminium skins completing the torsion box. It may be built with a composite wing, which has similar structure with all the primary components being composite except for the attachment fittings. The fuselage section was formed by variations of Kevlar, Carbon and Glass-fibre laminates, but also may be constructed of all metal.
Variants of the Rally were available to meet the regulations for ultralights in a number of countries. Examples in Australia and New Zealand have been built with the 75 kw (100 hp) Rotax 912 engine with a three-blade constant speed propeller. Electric Fowler flaps are fitted, and the wheels have hydraulic disc brakes. The main undercarriage legs are of the aluminium leaf type and it may be built with tricycle or tailwheel undercarriage. Two have been completed in Australia under RAA regulations, one becoming 24-5304 (c/n R3-OOR-0007) from 3 March to 10 March 2009 and the other 24-5305 (c/n R3-OOR-0008) on 13 May 2009.