# Adaro Chirta

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{{short description|1935 Spanish trainer aircraft}}
<!-- This article is a part of Wikipedia:WikiProject Aircraft. Please see Wikipedia:WikiProject Aircraft/page content for recommended layout. -->
{{Infobox aircraft
 | name=Chirta
 | image=File:Adaro Chirta (Lei Ailes 1935).jpg
 | caption= Adaro Chirta (Lei Ailes 1935)
 | type=[Trainer](/source/Trainer_(aircraft))
 | national_origin=[Spain](/source/Spain)
 | manufacturer=[Adaro](/source/Adaro_(company))
 | designer=Julio Adaro Tarradillos
 | first_flight=early 1935
 | introduction=
 | retired=
 | status=
 | primary_user=
 | more_users= <!--Limited to three in total; separate using <br /> -->
 | produced= <!--years in production-->
 | number_built=1
 | program cost= <!--Total program cost-->
 | unit cost= <!--Incremental or flyaway cost for military or retail price for commercial aircraft-->
 | developed_from= 
 | variants=
}}

The '''Adaro 1.E.7 Chirta''' was a Spanish military trainer aircraft built shortly before the outbreak of the [Spanish Civil War](/source/Spanish_Civil_War).

==Design and development==
Designed in 1934 in response to a [Spanish Air Force](/source/Spanish_Air_Force) requirement as part of its modernisation programme, the Chirta was a conventional [sesquiplane](/source/sesquiplane), constructed of wood and metal and seating the student and instructor in tandem open cockpits.  Slightly tapered wings had [ailerons](/source/ailerons) only on the upper wings; unusually, these covered the full span.  Fuel was carried in an upper wing tank. There was a cut-out in the trailing edge of the upper wing for better upward visibility from the rear seat; the front seat was under the wing.  A triangular [fin](/source/fin) carried a slightly rounded, [unbalanced rudder](/source/balanced_rudder).  The tailskid undercarriage had [faired](/source/aircraft_fairing) wheels on V-form main legs. The Chirta was intended to undertake fighter training and to be fully aerobatic.<ref name=Howson/>

Though the exact date of the first flight of the Chirta is not known, by early July 1935 it was flying and sufficiently developed to have taken part in competitive trials for the trainer contract.<ref name=Lailes2/> It was evaluated against the [Gil-Pazó GP-1](/source/Gonz%C3%A1lez_Gil-Paz%C3%B3_GP-1) and [Hispano E-34](/source/Hispano_E-34) but was ranked third,<ref name=Lailes2/> so no production contract was awarded. No further examples were built, though the prototype survived undamaged until at least November 1936, when Francoist forces captured [Cuatro Vientos](/source/Cuatro_Vientos), where the trials had taken place.<ref name=Howson/>

==Specifications==
{{Aircraft specs
|ref=''Les Ailes 23 May 1935,''<ref name=Lailes1/>
|prime units?=met
<!--
        General characteristics
-->
|genhide=

|crew=2
|length m=6.50
|length note=
|span m=10.00
|height m=2.5
|height note=
|wing area sqm=20
|wing area note=
|aspect ratio=<!-- give where relevant eg sailplanes  -->
|airfoil=
|empty weight kg=450
|empty weight note=
|gross weight kg=720
|gross weight note=
|max takeoff weight kg=
|max takeoff weight lb=
|max takeoff weight note=
|fuel capacity={{convert|150|L|Impgal USgal|abbr=on}}
|more general=
<!--
        Powerplant
-->
|eng1 number=1
|eng1 name=[Walter Junior](/source/Walter_Junior)
|eng1 type=4-cylinder, air cooled inverted inline piston
|eng1 hp=100
|eng1 note=
|power original=
|more power=

|prop blade number=2
|prop name=
|prop dia m=<!-- propeller aircraft -->
|prop dia ft=<!-- propeller aircraft -->
|prop dia in=<!-- propeller aircraft -->
|prop dia note=

!--
        Performance
-->
|perfhide=

|max speed kmh=180
|max speed note=
|cruise speed kmh=150
|cruise speed note=
|stall speed kmh=70
|stall speed note=
|never exceed speed kmh=
|never exceed speed mph=
|never exceed speed kts=
|never exceed speed note=
|minimum control speed kmh=70
|minimum control speed note=
|range km=1000
|ceiling m=5000
|ceiling note=
|g limits=<!-- aerobatic -->
|roll rate=<!-- aerobatic -->
|glide ratio=<!-- sailplanes -->
|climb rate ms=
|climb rate ftmin=
|climb rate note=
|time to altitude=
|sink rate note=
|lift to drag=
|wing loading kg/m2=
|wing loading lb/sqft=
|wing loading note=
|power/mass=
|more performance=
*'''Take-off distance:''' {{Convert|70|m|ft|abbr=on}}
*'''Landing run:''' {{Convert|60|m|ft|abbr=on}}
}}

==References==
{{Commons category}}
<references>

<ref name=Howson>{{cite book |title= Aircraft of the Spanish Civil War|last=Howson|first=Gerald| year=1990|publisher=Putnam Aeronautical Books|location=London |isbn=0-85177-842-9|page=35}}</ref>

<ref name=Lailes1>{{cite journal |date=23 May 1935|title=L'avions-école de Adaro "1.E-7"|journal=Les Ailes |issue=727|pages=3|url=http://gallica.bnf.fr/ark:/12148/bpt6k6553882b/f3}}</ref>

<ref name=Lailes2>{{cite journal |date=18 July 1935|title=Un concours d'avion-école |journal=Les Ailes |issue=735|pages=9|url=http://gallica.bnf.fr/ark:/12148/bpt6k6553890w/f9}}</ref>

</references>

Category:1930s Spanish military trainer aircraft
Category:Sesquiplanes

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Adapted from the Wikipedia article [Adaro Chirta](https://en.wikipedia.org/wiki/Adaro_Chirta) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Adaro_Chirta?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.