View source for Engineering:CETEC-303 CB.7 Vesper

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{|{{Infobox aircraft begin
 | name=CETEC-303 CB.7 Vesper
 | image=
 | caption=
}}{{Infobox aircraft type
 | type=[[Engineering:Motor glider|Motor glider]]
 | national origin={{wipe|Brazil}}
 | manufacturer=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 /> 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 [[Engineering:Motor glider|motor glider]] designed by Cláudio de Barros.

==Design and development==
Built from glassfibre, the Vesper is a low-wing cantilever [[Engineering:Monoplane|monoplane]] with [[Engineering:Conventional landing gear|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 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 -->
*[[Engineering:Aeromot AMT-100 Ximango|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={{wipe|Brazil}} |trans-title=Título de Trabalho |title=CETEC-303 CB.7 Vesper |language=pt-br |publisher=University of Minas Gerais}}

[[Category:Motor gliders]]
[[Category:Low-wing aircraft]]
[[Category:Single-engined tractor aircraft]]
[[Category:T-tail aircraft]]

{{Sourceattribution|CETEC-303 CB.7 Vesper}}