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{{Английская Википедия/Панель перехода}}
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{|{{Infobox aircraft begin
 | name=CETEC-303 CB.7 Vesper
 | image=
 | caption=
}}{{Infobox aircraft type
 | type=[[Motor glider]]
 | national origin=[[Brazil]]
 | manufacturer=[[Centro de Estudos Aeronáuticos da Universidade Federal de Minas Gerais|CEA-EEUFMG]]<ref name=Simons>{{cite book|last=Simons|first=Martin|title=Sailplanes 1965 - 2000|url=https://archive.org/details/sailplanes00simo|url-access=limited|publisher=EQIP Werbung & Verlag GmbH|year=2005|pages=[https://archive.org/details/sailplanes00simo/page/n18 16]–17|location=Königswinter|isbn=3 9808838 1 7}}</ref> <br /> [[:pt:Centro Tecnológico de Minas Gerais|CETEC]]
 | designer=Cláudio de Barros <br /> Armin Quast
 | first flight=1988
 | introduced=
 | retired=
 | status=
 | primary user=
 | number built=1
 | developed from= 
 | variants with their own articles=
}}
|}

The '''CETEC-303 CB.7 Vesper''' is a Brazilian [[motor glider]] designed by Cláudio de Barros.

==Design and development==
Built from [[glassfibre]], the Vesper is a low-wing cantilever [[monoplane]] with [[conventional landing gear]] and a T-tail with a [[tandem seat]]. Powered by front-mounted 80&nbsp;hp [[Limbach L2000]] with 80 [[Horsepower|HP]]. A bubble-like cabin with ample visibility. It used two domestically manufactured propellers. It was developed with the intention of producing hundreds, but due to the [[La Década Perdida|Brazilian crisis]] in the late 1980s, the idea was put aside.{{Sfn | Pereira | 1997 | p = 75}}

==Specification==
{{Aircraft specs
|ref={{Harvnb | Pereira | 1997 | p = 76}}
|prime units?=met
<!--
        General characteristics
-->
|genhide=
|crew=2
|capacity=
|length m=7.97
|length ft=
|length in=
|length note=
|span m=17.87
|span ft=
|span in=
|span note=
|upper span m=
|upper span ft=
|upper span in=
|upper span note=
|mid span m=
|mid span ft=
|mid span in=
|mid span note=
|lower span m=
|lower span ft=
|lower span in=
|lower span note=
|swept m=<!-- swing-wings -->
|swept ft=<!-- swing-wings -->
|swept in=<!-- swing-wings -->
|swept note=
|dia m=<!-- airships etc -->
|dia ft=<!-- airships etc -->
|dia in=<!-- airships etc -->
|dia note=
|width m=<!-- if applicable -->
|width ft=<!-- if applicable -->
|width in=<!-- if applicable -->
|width note=
|height m=
|height ft=
|height in=
|height note=
|wing area sqm=17.14
|wing area sqft=
|wing area note=
|swept area sqm=<!-- swing-wings -->
|swept area sqft=<!-- swing-wings -->
|swept area note=
|volume m3=<!-- lighter-than-air -->
|volume ft3=<!-- lighter-than-air -->
|volume note=
|aspect ratio=<!-- sailplanes -->
|airfoil=
|empty weight kg=620
|empty weight lb=
|empty weight note=
|gross weight kg=
|gross weight lb=
|gross weight note=
|max takeoff weight kg=800
|max takeoff weight lb=
|max takeoff weight note=
|lift kg=<!-- lighter-than-air -->
|lift lb=<!-- lighter-than-air -->
|lift note=
|more general=
<!--
        Powerplant
-->
|eng1 number=1
|eng1 name=[[Limbach L2000]]
|eng1 type=
|eng1 kw=<!-- prop engines -->
|eng1 hp=<!-- prop engines -->80
|eng1 kn=<!-- jet/rocket engines -->
|eng1 lbf=<!-- jet/rocket engines -->
|eng1 note=
|power original=
|thrust original=
|eng1 kn-ab=<!-- afterburners -->
|eng1 lbf-ab=<!-- afterburners -->
|prop blade number=2
|prop name=Nacional
|prop dia m=<!-- propeller aircraft -->
|prop dia ft=<!-- propeller aircraft -->
|prop dia in=<!-- propeller aircraft -->
|prop note=

<!--
        Performance
-->
|perfhide=
|max speed kmh=
|max speed mph=
|max speed kts=
|max speed note=
|max speed mach=<!-- supersonic aircraft -->
|cruise speed kmh=224
|cruise speed mph=
|cruise speed kts=
|cruise speed note=
|stall speed kmh=<!-- aerobatic -->78
|stall speed mph=<!-- aerobatic -->
|stall speed kts=
|stall speed note=
|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=1.320
|range miles=
|range nmi=
|range note=
|combat range km=
|combat range miles=
|combat range nmi=
|combat range note=
|ferry range km=
|ferry range miles=
|ferry range nmi=
|ferry range note=
|endurance=<!-- if range unknown -->
|ceiling m=
|ceiling ft=
|ceiling note=
|g limits=<!-- aerobatic -->
|roll rate=<!-- aerobatic -->
|glide ratio=<!-- sailplanes -->
|climb rate ms=4.3
|climb rate ftmin=
|climb rate note=
|sink rate ms=<!-- sailplanes -->
|sink rate ftmin=<!-- sailplanes -->
|sink rate note=
|lift to drag=
|wing loading kg/m2=45
|wing loading lb/sqft=
|wing loading note=
|disk loading kg/m2=
|disk loading lb/sqft=
|disk loading note=
|power/mass met=
|power/mass imp=
|power/mass note=
|thrust/weight=
|thrust/weight note=
|more performance=
}}

==See also==
{{aircontent
<!-- include as many lines are appropriate. additional lines/entries with carriage return. -->
|see also=
|related=<!-- related developments -->
*[[Aeromot AMT-100 Ximango]]
|similar aircraft=<!-- similar or comparable aircraft -->
|sequence=<!-- designation sequence, if appropriate -->
|lists=<!-- related lists -->
}}

==References==
{{reflist}}

==Bibliography==
{{refbegin}}
*{{cite book|last= Pereira|first= Roberto|title= Enciclopédia de Aviões Brasileiros|year= 1997|publisher= [[Editora Globo]]|location= [[São Paulo]]|isbn= 9788525021373}}
{{refend}}

==External links==
* {{Citation|url=https://demec.ufmg.br/cea/cb7.htm |place=[[Brazil|BR]] |trans-title=Título de Trabalho |title=CETEC-303 CB.7 Vesper |language=pt-br |publisher=[[University of Minas Gerais]]}}

[[Category:1980s Brazilian sport aircraft]]
[[Category:Motor gliders]]
[[Category:Low-wing aircraft]]
[[Category:Single-engined tractor aircraft]]
[[Category:T-tail aircraft]]
[[Category:Aircraft first flown in 1988]]
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