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词条 Humbert Tétras
释义

  1. Design and development

  2. Operational history

  3. Variants

  4. Operators

  5. Specifications (Tétras B)

  6. See also

  7. References

  8. External links

name = Tétras image = Tetras 42PK.jpg caption =

}}{{Infobox aircraft type

more users = type = Two seat ultralight or kit build national origin = France manufacturer = Humbert Aviation designer = Humbert Aviation first flight = c.1992 introduced = 1994 retired = status = in production primary user = produced = number built = c.150 by 2010 program cost = unit cost = kit with Rotax 912 UL engine €15,000; flyaway €31,500 (2001) variants with their own articles =
}}

The Humbert Tétras (English: Grouse) is a French two seat ultralight with a single engine and high wing. Available as a kit or complete aircraft, it has been in production since 1994 by Humbert Aviation of Ramonchamp.

Design and development

The Tétras was first seen in public in 1992 at the RSA Rally at Moulins and marketing began in 1994. It is a conventionally laid out single engine, tractor configuration light aircraft with a high wing, side-by-side seating for two and a fixed undercarriage.[1]

Its straight non tapered wing is a composite structure, with an aluminium frame, Styrofoam filling and fabric covering.[1][3] The ailerons and three-position flaps are made of aluminium. The wings are braced on each side with a single lift strut to a lower fuselage longeron. The tailplane, mounted at mid-fuselage height, is also strut braced. The fuselage of the Tétras is a steel structure covered with Dacron. Variants with both tricycle and conventional undercarriages, all fixed, have been built. The former arrangement has spring cantilever main legs, the latter has the mainwheels mounted on faired V-strut legs and bungee sprung half axles fixed to a compression frame. Both undercarriage variants have hydraulic brakes. Skis may also be fitted.[1]

The Tétras has been fitted with a variety of engines; originally the 54 kW (72 hp) Humbert-Volkswagen HW 2000 was used. More recently two flat fours from the Rotax range, the 60 kW (80 hp) 912 UL or the 74 kW (98 hp) 912 ULS, have become standard choices.[1]

Operational history

About 150 Tétras appeared on the French ultralight register in October 2010. The French Centre d'Essais en Vol have tested the Tétras for military use, and Niger has used it for insecticide spraying.[1]

Variants

Data from Jane's All the World's Aircraft 2011/12[1]
Tétras A

Initial version

Tétras B

Standard version, introduced 1998. Early examples had the HW 2000 engine but the {{convert|80|hp|kW|0|abbr=on}} Rotax 912UL, or optionally the {{convert|100|hp|kW|0|abbr=on}} Rotax 912ULS engine, is currently (2015) fitted. Currently available.

Tétras BS

912 ULS engine. Currently available.

Tétras CS

Introduced 2007 with a 600 mm (23.6 in) shorter span wing. 912 ULS engine. Marketed 2008-9.

Tétras CT

Tricycle undercarriage version of CS, with 512 UL engine. Marketed 2008-9.

Tétras CTS

As CT with 512 ULS engine. Marketed 2008-9.

Operators

{{BFA}}
  • Military of Burkina Faso – Three aircraft were donated by France in October 2012.[1]
  • Military of Guinea - At least five aircraft were donated by France, one crashed on 5 October 2016.[2]
  • Military of Cameroun
  • Military of Niger
  • Malagasy Air Force

Specifications (Tétras B)

{{Aircraft specs
|ref=Jane's All the World's Aircraft 2011/12[1]
|prime units?=met


|genhide=
|crew=
|capacity=2
|length m=6.50
|length note=
|span m=10.10
|height m=2.06
|height note=
|wing area sqm=15.70
|wing area note=
|aspect ratio=
|airfoil=NACA 23012
|empty weight kg=256
|empty weight note=
|gross weight kg=
|gross weight lb=
|gross weight note=
|max takeoff weight kg=450
|max takeoff weight note=; where permitted, 495 kg (1,091 lb)
|fuel capacity=60 L (15.9 USgal, 13.2 Impgal) standard. Can be increased to 85 L (22.5 USgal, 18.7 Impgal) outside France.
|more general=


|eng1 number=1
|eng1 name=Rotax 912 UL
|eng1 type=flat four
|eng1 kw=59.6
|eng1 note=
|power original=
|more power=
|prop blade number=2
|prop name=DUC FC composite
|prop dia m=1.75
|prop note=


|perfhide=
|max speed kmh=194
|max speed note=
|cruise speed kmh=180
|cruise speed note=at 75% power and 3,048 m (10,000 ft)
|stall speed kmh=55
|stall speed note=flaps down
|never exceed speed kmh=
|never exceed speed mph=
|never exceed speed kts=
|never exceed speed note=
|minimum control speed kmh=
|minimum control speed mph=
|minimum control speed kts=
|minimum control speed note=
|range km=700
|range note=with standard fuel capacity
|endurance=
|ceiling m=
|ceiling ft=
|ceiling note=
|g limits=+4/-2
|roll rate=
|climb rate ms=7.5
|climb rate note=maximum at sea level
|time to altitude=
|wing loading kg/m2
|wing loading lb/sqft=
|wing loading note=
|power/mass=
|more performance=
|avionics=
}}

See also

{{aircontent
|see also=
|related=
|similar aircraft=
  • Blue Yonder Merlin

|lists=
}}

References

1. ^{{cite magazine |last= Martin |first= Guy| title= Burkina Faso Receives Tétras |magazine= Air International | date= January 2013 | volume = 84 |issue = 1| page=15 |issn=0306-5634}}
2. ^{{cite web|language=French|url= http://www.opex360.com/2016/10/06/officier-francais-sest-tue-aux-commandes-dun-avion-leger-en-guinee/ |title=Un officier français s’est tué aux commandes d’un avion léger en Guinée|work=Zone Militare|last=Lagneau |first=Laurent|date=10 October 2016|accessdate=2 March 2017}}
3. ^{{cite book |title= Jane's All the World's Aircraft 2011-12|last= Jackson |first=Paul |coauthors= |edition= |year=2011|publisher= IHS Jane's|location=Redhill, UK|isbn=978-0-7106-2955-5|page=205}}
4. ^{{cite book |title= Airlife's World Aircraft|last= Simpson |first= Rod |coauthors= |edition= |year=2001|publisher= Airlife Publishing Ltd|location= Shrewsbury|isbn=1-84037-115-3|pages=285–6 }}
[3][4]
}}

External links

{{commons category|Humbert Tétras}}
  • {{official website|http://www.humbert-aviation.com/le-tetras|name=Official Humbert website}}
{{Humbert Aviation aircraft}}{{DEFAULTSORT:Humbert Tetras}}

5 : French sport aircraft 1990–1999|Single-engined tractor aircraft|Humbert Aviation aircraft|High-wing aircraft|Aircraft first flown in 1992

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