Dynali H2S

Last updated

H2S
Helicopter Dynali 2HS (7132278557).jpg
Role Helicopter
National origin Belgium
Manufacturer Dynali Helicopter Company
DesignerJacky Tonet
StatusProduction completed (2017)

The Dynali H2S is a Belgian helicopter, designed by Jacky Tonet and produced by Dynali of the Thines district of Nivelles. When it was available the aircraft was supplied as a kit for amateur construction [1] or fully assembled, supplied ready-to-fly. [2]

Contents

By December 2017 the design was no longer advertised on the company website and production has most likely ended. [3]

Design and development

The H2S was designed to comply with the amateur-built aircraft rules, but a light-sport aircraft category version, the Dynali H3, is also being developed. It features a single main rotor, a two-seats-in side-by-side configuration enclosed cockpit with a windshield, skid-type landing gear and a four-cylinder, liquid cooled four-stroke, 165 to 185 hp (123 to 138 kW) Subaru EJ25 automotive conversion engine. [1]

The aircraft fuselage is made from a combination of aluminium tubing and welded stainless steel, covered with a polycarbonate fairing. Its 7.22 m (23.7 ft) diameter two-bladed rotor has a chord of 20 cm (7.9 in) and employs composite main rotor blades. The tail rotor is of an enclosed Fenestron type with eight blades. The aircraft has an empty weight of 465 kg (1,025 lb) and a gross weight of 700 kg (1,543 lb), giving a useful load of 235 kg (518 lb). With full fuel of 80 litres (18 imp gal; 21 US gal) the payload is 177 kg (390 lb). [1]

Like many helicopters designed in France and Russia, the main rotor blades advance to the left.

Variants

Kit version
Model with a gross weight of 700 kg (1,543 lb), powered by a four cylinder, air-cooled, four-stroke, 165 to 185 hp (123 to 138 kW) Subaru EJ25 automotive conversion engine. [1]
Dynali H3 EasyFlyer
Lightened version powered by a four cylinder, air and liquid-cooled, four-stroke, dual ignition 100 hp (75 kW) Rotax 912S or a turbocharged 115 hp (86 kW) Rotax 914 engine for the light-sport aircraft category. [1]

Specifications (H2S)

Data from Bayerl and Dynali [1] [4]

General characteristics

Performance

See also

Aircraft of comparable role, configuration, and era

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References

  1. 1 2 3 4 5 6 Bayerl, Robby; Martin Berkemeier; et al: World Directory of Leisure Aviation 2011-12, page 190. WDLA UK, Lancaster UK, 2011. ISSN   1368-485X
  2. ↑ Dynali Helicopter Company (n.d.). "Light helicopters with the lowest cost". Archived from the original on 7 March 2014. Retrieved 5 March 2014.
  3. ↑ Dynali Helicopter Company. "Ultralight Helicopter Manufacturer". www.dynali.com. Retrieved 9 December 2017.
  4. ↑ Dynali Helicopter Company (2011). "Specifications". Archived from the original on 27 January 2013. Retrieved 3 February 2013.
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