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{{Infobox aircraft type |
{{Infobox aircraft type |
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| type= [[light bomber]] |
| type= [[light bomber]] |
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| − | | national origin= |
+ | | national origin= Czechoslovakia |
| manufacturer= Avia |
| manufacturer= Avia |
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| designer= |
| designer= |
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==Development and design== |
==Development and design== |
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| − | In 1935, the Czech aircraft company Avia produced the B-58 design for a small twin-engined bomber with a fixed undercarriage and powered by two 313 kW (420 hp) [[Avia Rk.17]] radial engines. This design was abandoned in 1936 and replaced by a more powerful and advanced derivative, the Avia B.158, which was designed to meet a requirement from the [[Czechoslovak Ministry of National Defense]] (MNO) for a high performance medium bomber, capable of operation during both day and night, competing against [[Aero Vodochody]]'s [[Aero A.300|A.300]].<ref name="Samoloty">"[http://www.samoloty.ow.pl/str083.htm Avia B-158]". ''Samaloty Wojskowe Świata 1935-1945''. (In Polish). Retrieved 14 December 2009.</ref><ref name="AI"/> |
+ | In 1935, the Czech aircraft company Avia produced the B-58 design for a small twin-engined bomber with a fixed undercarriage and powered by two 313 kW (420 hp) [[Avia Rk.17]] radial engines. This design was abandoned in 1936 and replaced by a more powerful and advanced derivative, the Avia B.158, which was designed to meet a requirement from the [[Czechoslovak Ministry of National Defense]] (MNO) for a high performance medium bomber, capable of operation during both day and night, competing against [[Aero Vodochody]]'s [[Aero A.300|A.300]].<ref name="Samoloty">"[http://www.samoloty.ow.pl/str083.htm Avia B-158]". ''Samaloty Wojskowe Świata 1935-1945''. (In Polish). Retrieved 14 December 2009.</ref><ref name="AI"/> |
| − | |||
In 1937, Avia started to build a single prototype of the B-158, a three-seat low-winged monoplane with [[Gull wing#Inverted gull wing|inverted gull-wing]]s, a retractable tailwheel undercarriage and 634 kW (850 hp) [[Hispano-Suiza 12Ydrs|Avia (Hispano-Suiza) 12Ydrs]] engines, making its maiden flight in mid-1938.<ref name="AI"/> It was fitted with a twin tail to give a better field of fire for the dorsal gun position.<ref name="airwar.ru"/> |
In 1937, Avia started to build a single prototype of the B-158, a three-seat low-winged monoplane with [[Gull wing#Inverted gull wing|inverted gull-wing]]s, a retractable tailwheel undercarriage and 634 kW (850 hp) [[Hispano-Suiza 12Ydrs|Avia (Hispano-Suiza) 12Ydrs]] engines, making its maiden flight in mid-1938.<ref name="AI"/> It was fitted with a twin tail to give a better field of fire for the dorsal gun position.<ref name="airwar.ru"/> |
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==Specifications (B.158)== |
==Specifications (B.158)== |
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{{Aircraft specs |
{{Aircraft specs |
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| − | |ref=Plane Facts:One-off Czech <ref name="AI">''Air International'' January 1981, p.48.</ref |
+ | |ref=Plane Facts:One-off Czech <ref name="AI">''Air International'' January 1981, p.48.</ref> |
|prime units?=met<!-- imp or kts first for US aircraft, and UK aircraft pre-metrification, met(ric) first for all others. You MUST choose a format, or no specifications will show --> |
|prime units?=met<!-- imp or kts first for US aircraft, and UK aircraft pre-metrification, met(ric) first for all others. You MUST choose a format, or no specifications will show --> |
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| + | |||
| − | <!--General characteristics--> |
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| − | |genhide= |
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|crew= 3 |
|crew= 3 |
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| − | |capacity= |
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|length m=12.00 |
|length m=12.00 |
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| − | |length ft= |
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| − | |length in= |
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| − | |length note= |
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|span m=16.00 |
|span m=16.00 |
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| − | |span ft= |
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| − | |span in= |
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| − | |span note= |
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| − | |upper span m= |
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| − | |upper span ft= |
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| − | |upper span in= |
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| − | |upper span note= |
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| − | |mid span m= |
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| − | |mid span ft= |
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| − | |mid span in= |
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| − | |mid span note= |
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| − | |lower span m= |
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| − | |lower span ft= |
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| − | |lower span in= |
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| − | |lower span note= |
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| − | |width m=<!-- if applicable --> |
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| − | |width ft=<!-- if applicable --> |
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| − | |width in=<!-- if applicable --> |
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| − | |width note= |
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|height m=5.20 |
|height m=5.20 |
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| − | |height ft= |
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| − | |height in= |
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|height note=<ref name="airwar.ru">"[http://www.airwar.ru/enc/bww2/b158.html Avia B-158]". ''УГОЛОК НЕБА''. (In Russian) Retrieved 14 December 2009.</ref> |
|height note=<ref name="airwar.ru">"[http://www.airwar.ru/enc/bww2/b158.html Avia B-158]". ''УГОЛОК НЕБА''. (In Russian) Retrieved 14 December 2009.</ref> |
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|wing area sqm=43.00 |
|wing area sqm=43.00 |
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| − | |wing area sqft= |
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| − | |wing area note= |
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| − | |volume note= |
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| − | |airfoil= |
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|empty weight kg=4300 |
|empty weight kg=4300 |
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| − | |empty weight lb= |
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| − | |empty weight note= |
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|gross weight kg=6600 |
|gross weight kg=6600 |
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| − | |gross weight lb= |
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| − | |gross weight note= |
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|max takeoff weight kg=7,260 |
|max takeoff weight kg=7,260 |
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| − | |max takeoff weight lb= |
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| − | |max takeoff weight note= |
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| − | |fuel capacity= |
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|more general= |
|more general= |
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| + | |||
| − | <!--Powerplant--> |
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|eng1 number= 2 |
|eng1 number= 2 |
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|eng1 name= [[Avia (Hispano-Suiza) 12Ydrs]] |
|eng1 name= [[Avia (Hispano-Suiza) 12Ydrs]] |
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|eng1 type= liquid-cooled V12 engine |
|eng1 type= liquid-cooled V12 engine |
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| − | |eng1 |
+ | |eng1 hp=850 |
| − | |eng1 hp=850<!-- prop engines --> |
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| − | |eng1 note= |
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| − | |power original= |
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| − | |thrust original= |
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| − | |more power= |
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| − | |prop blade number=<!-- propeller aircraft --> |
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| − | |prop name= |
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| − | |prop dia m=<!-- propeller aircraft --> |
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| − | |prop dia ft=<!-- propeller aircraft --> |
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| − | |prop dia in=<!-- propeller aircraft --> |
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|prop note= |
|prop note= |
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| + | |||
| − | <!--Performance--> |
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| − | |perfhide= |
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|max speed kmh=435 |
|max speed kmh=435 |
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| − | |max speed mph= |
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| − | |max speed kts= |
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| − | |max speed note= |
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| − | |max speed mach=<!-- supersonic aircraft --> |
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|cruise speed kmh=365 |
|cruise speed kmh=365 |
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| − | |cruise speed mph= |
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| − | |cruise speed kts= |
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| − | |cruise speed note= |
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| − | |stall speed kmh=<!-- aerobatic --> |
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| − | |stall speed mph=<!-- aerobatic --> |
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| − | |stall speed kts= |
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| − | |stall speed note= |
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| − | |never exceed speed kmh= |
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| − | |never exceed speed mph= |
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| − | |never exceed speed kts= |
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| − | |never exceed speed note= |
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| − | |minimum control speed kmh= |
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| − | |minimum control speed mph= |
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| − | |minimum control speed kts= |
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| − | |minimum control speed note= |
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|range km=1100 |
|range km=1100 |
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| − | |range miles= |
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| − | |range nmi= |
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| − | |range note= |
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| − | |combat range km= |
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| − | |combat range miles= |
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| − | |combat range nmi= |
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| − | |combat range note= |
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| − | |ferry range km= |
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| − | |ferry range miles= |
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| − | |ferry range nmi= |
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| − | |ferry range note= |
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| − | |endurance=<!-- if range unknown --> |
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|ceiling m=8500 |
|ceiling m=8500 |
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| − | |ceiling ft= |
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| − | |ceiling note= |
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| − | |g limits=<!-- aerobatic --> |
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|climb rate ms=7.00 |
|climb rate ms=7.00 |
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| − | |climb rate ftmin= |
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| − | |climb rate note= |
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| − | |time to altitude= |
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| − | |sink rate note= |
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| − | |lift to drag= |
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|wing loading kg/m2 |
|wing loading kg/m2 |
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| − | |wing loading lb/sqft= |
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| − | |wing loading note= |
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| − | |disk loading kg/m2= |
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| − | |disk loading lb/sqft= |
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| − | |disk loading note= |
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| − | |power/mass= |
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| − | |thrust/weight= |
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|more performance= |
|more performance= |
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| + | |||
| − | <!--Armament--> |
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|guns= 3×7.92 mm vz.30 (Česká zbrojovka Strakonice) machine guns in nose, dorsal and ventral positions |
|guns= 3×7.92 mm vz.30 (Česká zbrojovka Strakonice) machine guns in nose, dorsal and ventral positions |
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|bombs= 1,000 kg (2,200 lb) |
|bombs= 1,000 kg (2,200 lb) |
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|rockets= |
|rockets= |
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|missiles= |
|missiles= |
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| − | |hardpoints= |
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| − | |hardpoint capacity= |
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| − | |hardpoint rockets= |
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| − | |hardpoint missiles= |
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| − | |hardpoint bombs= |
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| − | |hardpoint other= |
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| − | |||
| − | |avionics= |
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}} |
}} |
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| Line 180: | Line 77: | ||
{{Commons|Avia aircraft}} |
{{Commons|Avia aircraft}} |
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*[http://vinar.cz/mitte/b158.htm AVIA B-158] (In Czech) |
*[http://vinar.cz/mitte/b158.htm AVIA B-158] (In Czech) |
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| + | |||
{{Wikipedia|Avia B-158}} |
{{Wikipedia|Avia B-158}} |
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[[Category:Low-wing aircraft]] |
[[Category:Low-wing aircraft]] |
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[[Category:Gull-wing aircraft]] |
[[Category:Gull-wing aircraft]] |
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| − | [[Category:Czechoslovakian bomber aircraft |
+ | [[Category:1930s Czechoslovakian bomber aircraft]] |
[[Category:Avia aircraft|B-158]] |
[[Category:Avia aircraft|B-158]] |
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[[Category:Twin-engined tractor aircraft]] |
[[Category:Twin-engined tractor aircraft]] |
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Latest revision as of 00:59, 30 January 2020
| Avia B.158 | |
|---|---|
| Role | light bomber |
| National origin | Czechoslovakia |
| Manufacturer | Avia |
| First flight | 1938 |
| Number built | 1 |
The Avia B.158 was a prototype Czechoslovak twin-engined light bomber aircraft of the 1930s. Only a single example was built and it was abandoned following the German occupation of Czechoslovakia in March 1939.
Development and design
In 1935, the Czech aircraft company Avia produced the B-58 design for a small twin-engined bomber with a fixed undercarriage and powered by two 313 kW (420 hp) Avia Rk.17 radial engines. This design was abandoned in 1936 and replaced by a more powerful and advanced derivative, the Avia B.158, which was designed to meet a requirement from the Czechoslovak Ministry of National Defense (MNO) for a high performance medium bomber, capable of operation during both day and night, competing against Aero Vodochody's A.300.[1][2] In 1937, Avia started to build a single prototype of the B-158, a three-seat low-winged monoplane with inverted gull-wings, a retractable tailwheel undercarriage and 634 kW (850 hp) Avia (Hispano-Suiza) 12Ydrs engines, making its maiden flight in mid-1938.[2] It was fitted with a twin tail to give a better field of fire for the dorsal gun position.[3]
While the competing Aero A.300 gave superior performance, neither had entered into production by the time Germany completed its conquest of Czechoslovakia. After testing by the Luftwaffe at their test centre at Rechlin, the prototype B-158 was scrapped in 1940.[1][3]
Specifications (B.158)
Data from Plane Facts:One-off Czech [2]
General characteristics
- Crew: 3
- Length: 12.00 m (39 ft 4 in)
- Wingspan: 16.00 m (52 ft 6 in)
- Height: 5.20 m (17 ft 1 in) [3]
- Wing area: 43.00 m2 (462.8 sq ft)
- Empty weight: 4,300 kg (9,480 lb)
- Gross weight: 6,600 kg (14,551 lb)
- Max takeoff weight: 7,260 kg (16,006 lb)
- Powerplant: 2 × Avia (Hispano-Suiza) 12Ydrs liquid-cooled V12 engine, 630 kW (850 hp) each
Performance
- Maximum speed: 435 km/h (270 mph; 235 kn)
- Cruising speed: 365 km/h (227 mph; 197 kn)
- Range: 1,100 km (684 mi; 594 nmi)
- Service ceiling: 8,500 m (27,887 ft)
- Rate of climb: 7.00 m/s (1,378 ft/min)
Armament
- Guns: 3×7.92 mm vz.30 (Česká zbrojovka Strakonice) machine guns in nose, dorsal and ventral positions
- Bombs: 1,000 kg (2,200 lb)
See also
References
- Notes
- ↑ 1.0 1.1 "Avia B-158". Samaloty Wojskowe Świata 1935-1945. (In Polish). Retrieved 14 December 2009.
- ↑ 2.0 2.1 2.2 Air International January 1981, p.48.
- ↑ 3.0 3.1 3.2 "Avia B-158". УГОЛОК НЕБА. (In Russian) Retrieved 14 December 2009.
- Bibliography
- "Plane Facts: One-off Czech". Air International, January 1981, Vol 20 No. 1. p. 48.
External links
 |
Wikimedia Commons has media related to Avia aircraft. |
- AVIA B-158 (In Czech)
The original article can be found at Avia B-158 and the edit history here.