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{{More citations needed|date=January 2021}}
The '''[[Aero Vodochody|Aero]] A.25''' was a [[biplane]] military [[trainer aircraft]] developed in [[Czechoslovakia]] from the [[Aero A.11]] reconnaissance-bomber and generally similar to the [[Aero A.21]] night trainer.
<!-- This article is a part of [[Wikipedia:WikiProject Aircraft]]. Please see [[Wikipedia:WikiProject Aircraft/page content]] for recommended layout. -->
{{Infobox aircraft
|name=Aero A.25
|image=
|caption=
|type=[[Trainer aircraft]]
|manufacturer=[[Aero Vodochody]]
|designer=
|first_flight=1920s
|introduction=
|retired=
|status=
|primary_user=[[Czechoslovakia]]
|more_users=
|produced=
|number_built=
|unit cost=
|variants=
}}
The '''Aero A.25''' was a [[biplane]] military [[trainer aircraft]] developed in [[Czechoslovakia]] from the [[Aero A.11]] reconnaissance-bomber and generally similar to the [[Aero A.21]] night trainer.


Some A.25s were powered by the less powerful 134 kW (180 hp) [[Breitfeld & Danek Perun]] I engines, in which case they were designated '''Aero A.125'''
Some A.25s were powered by the less powerful 134&nbsp;kW (180&nbsp;hp) [[Breitfeld & Danek Perun]] I engines, in which case they were designated '''Aero A.125'''.


==Specifications (A.25)==
==Specifications (Aero A.25)==
{{Aircraft specs
===General Characteristics===
|ref=Tschechoslowakische Flugzeuge : von 1918 bis heute<ref name=Mau>{{cite book |title=Tschechoslowakische Flugzeuge : von 1918 bis heute |date=1987 |publisher=Transpress : VEB verlag für Verkehrsween |location=Berlin |isbn=3344001213 |pages=67 |edition=1st |language=German, English}}</ref>
* '''Crew:''' two, student and instructor
|prime units?=met
* '''Length:''' 8.10 m (26 ft 8 in)
<!--
* '''Wingspan:''' 12.80 m (43 ft 0 in)
General characteristics
* '''Height:''' 3.10 m (10 ft 2 in)
-->
* '''Wing area:''' 36.2 m&sup2; (389 ft&sup2;)
|crew=2
* '''Empty:''' 985 kg (2,167 lb)
|length m=8.1
* '''Loaded:''' 1,270 kg (2,794 lb)
|length note=
* '''Maximum takeoff:''' kg ( lb)
|span m=12.8
* '''Powerplant:''' 1x [[BMW III]]a, 138 kW (185 hp)
|span note=
|height m=3.1
|height note={{citation needed|date=September 2019}}
|wing area sqm=36.2
|wing area note={{citation needed|date=September 2019}}
|aspect ratio=<!-- sailplanes -->
|airfoil=
|empty weight kg=985
|empty weight note={{citation needed|date=September 2019}}
|gross weight kg=1270
|gross weight note={{citation needed|date=September 2019}}
|max takeoff weight kg=
|max takeoff weight note=
|fuel capacity=
|more general=
<!--
Powerplant
-->
|eng1 number=1
|eng1 name=[[BMW IIIa]]
|eng1 type=6-cylinder water-cooled in-line piston engine
|eng1 kw=136


|prop blade number=2
===Performance===
|prop name=fixed-pitch propeller
* '''Maximum speed:''' 160 km/h (100 mph)
|prop dia m=<!-- propeller aircraft -->
* '''Range:''' km ( miles)
|prop dia note=
* '''Service ceiling:''' 6,500 m (21,320 ft)
<!--
* '''Rate of climb:''' 240 m/min (787 ft/min)
Performance
* '''Wing loading:''' 35 kg/m&sup2; (7.1 lb/ft&sup2;)
-->
* '''Power/Mass:''' 0.11 kW/kg (0.07 hp/lb)
|max speed kmh=160
|max speed note={{citation needed|date=September 2019}}
|cruise speed kmh=
|cruise speed note=
|stall speed kmh=
|stall speed note=
|never exceed speed kmh=
|never exceed speed note=
|range km=
|range note=
|combat range km=
|combat range note=
|ferry range km=
|ferry range note=
|endurance=<!-- if range unknown -->
|ceiling m=6500
|ceiling note={{citation needed|date=September 2019}}
|g limits=<!-- aerobatic -->
|roll rate=<!-- aerobatic -->
|climb rate ms=4
|climb rate note={{citation needed|date=September 2019}}
|time to altitude=
|wing loading kg/m2=35
|wing loading note={{citation needed|date=September 2019}}
|fuel consumption kg/km=
|power/mass={{cvt|0.110|kW/kg}}{{citation needed|date=September 2019}}
|more performance=<!--</br>
*'''Take-off run:''' {{cvt||m|0}}
*'''Take-off run to {{cvt|15|m|0}}:''' {{cvt||m|0}}
*'''Landing run:''' {{cvt||m|0}}
*'''Landing run from {{cvt|15|m|0}}:''' {{cvt||m|0}}-->


|avionics=
==Related content==
}}
'''Related development:'''
[[Aero A.11|A.11]] -
[[Aero A.12|A.12]] -
[[Aero A.21|A.21]] -
[[Aero A.22|A.22]] -
[[Aero A.29|A.29]]


==Operators==
'''Comparable aircraft:'''
* [[Czechoslovakia]]


==References==
'''Designation sequence:'''
{{Commons category}}
[[Aero A.22|A.22]] -
{{reflist}}
[[Aero A.23|A.23]] -
[[Aero A.24|A.24]] -
'''A.25''' -
[[Aero A.26|A.26]] -
[[Aero A.27|A.27]] -
[[Aero A.29|A.29]]


{{Aero Vodochody aircraft}}
{{airlistbox}}


[[Category:Czechoslovakian military trainer aircraft 1920-1929]]
[[Category:Aero Vodochody aircraft|A025]]
[[Category:Biplanes]]
[[Category:Single-engined tractor aircraft]]
[[Category:1920s Czechoslovak military trainer aircraft]]

Latest revision as of 22:33, 5 December 2024

Aero A.25
General information
TypeTrainer aircraft
ManufacturerAero Vodochody
Primary userCzechoslovakia
History
First flight1920s

The Aero A.25 was a biplane military trainer aircraft developed in Czechoslovakia from the Aero A.11 reconnaissance-bomber and generally similar to the Aero A.21 night trainer.

Some A.25s were powered by the less powerful 134 kW (180 hp) Breitfeld & Danek Perun I engines, in which case they were designated Aero A.125.

Specifications (Aero A.25)

[edit]

Data from Tschechoslowakische Flugzeuge : von 1918 bis heute[1]

General characteristics

  • Crew: 2
  • Length: 8.1 m (26 ft 7 in)
  • Wingspan: 12.8 m (42 ft 0 in)
  • Height: 3.1 m (10 ft 2 in) [citation needed]
  • Wing area: 36.2 m2 (390 sq ft) [citation needed]
  • Empty weight: 985 kg (2,172 lb) [citation needed]
  • Gross weight: 1,270 kg (2,800 lb) [citation needed]
  • Powerplant: 1 × BMW IIIa 6-cylinder water-cooled in-line piston engine, 136 kW (182 hp)
  • Propellers: 2-bladed fixed-pitch propeller

Performance

Operators

[edit]

References

[edit]
  1. ^ Tschechoslowakische Flugzeuge : von 1918 bis heute (in German and English) (1st ed.). Berlin: Transpress : VEB verlag für Verkehrsween. 1987. p. 67. ISBN 3344001213.