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{|{{Infobox Aircraft Begin
{{Infobox aircraft
|name = Brantly B-2
|name = Brantly B-2
|image =Brantly B2B.JPG
|image =File:G-BPIJ - Brantly B-2.jpg
|caption = Brantly B2B on display at [[the Helicopter Museum (Weston)]].
|caption = Brantly B2 in a hover
}}{{Infobox Aircraft Type
|type = Light Helicopter
|type = Light Helicopter
|manufacturer = [[Brantly International|Brantly Helicopter Corporation]]
|manufacturer = [[Brantly International|Brantly Helicopter Corporation]]
|designer = [[Newby O. Brantly]]
|designer = [[Newby O. Brantly]]
|first flight = 21 February [[1953 in aviation|1953]]
|first_flight = 21 February [[1953 in aviation|1953]]
|introduced = [[1958 in aviation|1958]]
|introduction = [[1958 in aviation|1958]]
|retired =
|retired =
|status = In production (2011)<ref name="WDLA11">Bayerl, Robby; Martin Berkemeier; et al: ''World Directory of Leisure Aviation 2011-12'', page 189. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X</ref>
|status = In production (2011)<ref name="WDLA11">Bayerl, Robby; Martin Berkemeier; et al: ''World Directory of Leisure Aviation 2011-12'', page 189. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X</ref>
|primary user =
|primary_user =
|more users =
|more_users =
|produced =
|produced =
|number built = 334
|number_built = 334
|unit cost = $19,950 in 1962,<ref>{{cite journal |title=Helicopter Brantly |magazine= Flying Magazine |date=May 1962 |page=108}}</ref> <br>$170,000 in 2003 <ref>{{cite journal |magazine= aviastar.org |title= Brantly B-2 |url= http://www.aviastar.org/helicopters_eng/brantly_b-2.php}}</ref>
|unit cost = {{AircraftCost|USA|19950|year=1962|ref=<ref>{{cite journal |title=Helicopter Brantly |journal= Flying Magazine |date=May 1962 |page=108}}</ref>}}
|developed from =
|developed_from =
|variants with their own articles =
|variants =
}}
}}
|}


The '''Brantly B-2''' is an [[United States|American]] two-seat light helicopter produced by the [[Brantly International|Brantly Helicopter Corporation]].
The '''Brantly B-2''' is an American two-seat light helicopter produced by the [[Brantly International|Brantly Helicopter Corporation]].


==Design and development==
==Design and development==
After the failure of his first design, the [[Brantly B-1]], [[Newby O. Brantly]] decided to design a simpler and less complicated helicopter for the private buyer. The '''B-2''' had a single main rotor and an anti-torque tail rotor and first flew on 21 February 1953. This was followed by an improved second prototype that first flew on 14 August 1956.
After the failure of his first design, the [[Brantly B-1]], [[Newby O. Brantly]] decided to design a simpler and less complicated helicopter for the private buyer.{{citation needed|date=February 2022}} The '''B-2''' had a single main rotor and an anti-torque tail rotor and first flew on 21 February 1953. This was followed by an improved second prototype that first flew on 14 August 1956.


The '''B-2A''' was introduced with a modified cabin, and the '''B-2B''' had a larger 180&nbsp;hp fuel-injected engine. The B-2B has a three-bladed articulated main rotor and an all-metal fuselage, it can be operated with skid, wheel or float landing gear. The piston engine is fitted vertically in the fuselage behind the cabin.
The '''B-2A''' was introduced with a modified cabin, and the '''B-2B''' had a larger 180&nbsp;hp fuel-injected engine. The B-2B has a three-bladed articulated main rotor and an all-metal fuselage, it can be operated with skid, wheel or float landing gear. The piston engine is fitted vertically in the fuselage behind the cabin.


==Operational history==
==Operational history==
The basic design has remained in production for over 50 years.<ref name="WDLA11" /> The [[United States Army]] evaluated the B-2 (designated the '''YHO-3''') in 1958, although it was not ordered. Introduced in the early 1970s, an improved larger version with five seats was designated the '''Brantly 305'''.<ref name="Frawley 1997 p66">Frawley, Gerard. ''The International Directory of Civil Aircraft''. Aerospace Publications Pty Ltd, 1997. {{ISBN|1-875671-26-9}}.</ref>
The basic design has remained in production for over 50 years.<ref name="WDLA11" /> The [[United States Army]] ordered five B-2s (designated the YHO-3) to be evaluated in the [[Light Observation Helicopter]] competition in 1958, although it lost the bid, the Army operated the H-5T unmanned variant as target from 1986.<ref name="Harding p73-4">Harding 1990, pp. 73–74.</ref> Introduced in the early 1970s, an improved larger version with five seats was designated the Brantly 305.<ref name="Frawley 1997 p66">Frawley, Gerard. ''The International Directory of Civil Aircraft''. Aerospace Publications Pty Ltd, 1997. {{ISBN|1-875671-26-9}}.</ref>


==Variants==
==Variants==
Line 40: Line 38:
* '''H-2''': Designation of the B-2B built by Brantly-Hynes between 1976 and 1979.
* '''H-2''': Designation of the B-2B built by Brantly-Hynes between 1976 and 1979.
* '''Brantly B-2J10''': Projected tandem-rotor version with longer and wider fuselage for carrying passengers and/or cargo. Unbuilt.
* '''Brantly B-2J10''': Projected tandem-rotor version with longer and wider fuselage for carrying passengers and/or cargo. Unbuilt.
* '''V750 UAV''': An [[UAV]] version developed by Qingdao Haili Helicopters Co. Ltd., a joint venture between Brantly International Inc, [[Qingdao]] Wenquan International Aviation Investment Co., Ltd, and Qingdao Brantly Investment Consultation Co., Ltd.<ref>[http://www.aviationweek.com/aw/blogs/defense/index.jsp?plckController=Blog&plckScript=blogScript&plckElementId=blogDest&plckBlogPage=BlogViewPost&plckPostId=Blog:27ec4a53-dcc8-42d0-bd3a-01329aef79a7Post:de32542d-5108-45db-b600-be5e7ad5f935]</ref> Maiden flight was completed in May 7, 2011, and received an order from an unnamed customer<ref>[http://www.tianya.cn/publicforum/content/worldlook/1/353635.shtml]</ref>
* '''V750 UAV''': An [[UAV]] version developed by Qingdao Haili Helicopters Co. Ltd., a joint venture between Brantly International Inc, [[Qingdao]] Wenquan International Aviation Investment Co., Ltd, and Qingdao Brantly Investment Consultation Co., Ltd.<ref>http://www.aviationweek.com/aw/blogs/defense/index.jsp?plckController=Blog&plckScript=blogScript&plckElementId=blogDest&plckBlogPage=BlogViewPost&plckPostId=Blog:27ec4a53-dcc8-42d0-bd3a-01329aef79a7Post:de32542d-5108-45db-b600-be5e7ad5f935 {{Dead link|date=February 2022}}</ref> Maiden flight was completed on May 7, 2011, and received an order from an unnamed customer<ref>{{Cite web |url=http://www.tianya.cn/publicforum/content/worldlook/1/353635.shtml |title=&#91;时事聚焦&#93;俄媒：中国V750型最大无人机是美国B-2B改型_国际观察_天涯社区 |access-date=2011-09-06 |archive-date=2011-06-07 |archive-url=https://web.archive.org/web/20110607133452/http://www.tianya.cn/publicforum/content/worldlook/1/353635.shtml |url-status=dead }}</ref>

==Operators==

===Military operators===
*{{USA}}
**[[United States Army]]: acquired five B-2s for evaluation under the designation YHO-3 in the late 1950s. Operated H-5T unmanned variant as target from 1986.<ref name="Harding p73-4">Harding 1990, pp. 73–74.</ref>


==Accidents and incidents==
==Accidents and incidents==
The B-2 has had 21 fatal accidents between February 1964 and August 2009.<ref>{{Cite web
The B-2 has had 21 fatal accidents between February 1964 and August 2009.<ref>{{Cite web
| title = R44 Accident Database
|title = R44 Accident Database
| publisher = Griffin Helicopters
|publisher = Griffin Helicopters
| url = http://www.griffin-helicopters.co.uk/accidents.asp?manufacturerkey=&ACType=B2&OrderBy=Date+DESC&acregn=&mostrecent=&Cause=&detail=&Filter=&exclude=&since=&until=&Day=&Month=&Year=
|url = http://www.griffin-helicopters.co.uk/accidents.asp?manufacturerkey=&ACType=B2&OrderBy=Date+DESC&acregn=&mostrecent=&Cause=&detail=&Filter=&exclude=&since=&until=&Day=&Month=&Year=
| accessdate = 30 January 2010}}</ref>
|accessdate = 30 January 2010
}}{{dead link|date=January 2018 |bot=InternetArchiveBot |fix-attempted=yes }}</ref>


==Survivors==
==Survivors==
Line 60: Line 53:
A B2B belonging to the Flying Gyrocopter and Old Aircraft museum at Midden-Zeeland, Netherlands was reportedly about to fly again November 2009.<ref>''FlyPast'', November 2009, p.17</ref>
A B2B belonging to the Flying Gyrocopter and Old Aircraft museum at Midden-Zeeland, Netherlands was reportedly about to fly again November 2009.<ref>''FlyPast'', November 2009, p.17</ref>


A Greek road-assistance company,named EXPRESS SERVICE based in Thessaloniki,operated a B2B Brantly-Hynes helicopter for several years. That helicopter started flying in 1978 and had the Greek registration number SX-AHH. First captain was the pilot Kaltekis Spyridon.
A Greek road-assistance company named Express Service based in Thessaloniki operated a B2B Brantly-Hynes helicopter for several years. That helicopter started flying in 1978 and had the Greek registration number SX-AHH. First captain was the pilot Kaltekis Spyridon.

B2 sn#18 is in Chino awaiting restoration after the 2005/2010 floods at Corona airport,a month underwater did little corrosive damage... , a B2B acquired for spares to complete restoration (dual serial numbers found "spliced together bird")


==Specifications (B-2B with skid landing gear)==
==Specifications (B-2B with skid landing gear)==
{{Aircraft specs
{{aircraft specifications
|ref=''Jane's All the World's Aircraft 1976–77.''<ref name="Janes 76 p252">Taylor 1976, p. 252.</ref>
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|prime units?=imp
<!-- please answer the following questions -->
<!--
|plane or copter?=copter
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|jet or prop?=prop
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|ref=Jane's All the World's Aircraft 1976–77 <ref name="Janes 76 p252">Taylor 1976, p. 252.</ref>
|genhide=
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|crew= 1 (plus 1 pilot)
|crew=2
|length main= 28 ft
|capacity=
|length alt= 8.41 m<ref>Overall length</ref>
|length m=
|width main= 6 ft 10 in
|length ft=21
|width alt= 2.08 m
|length in=9
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|area main= 442 ft²
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|empty weight main= 1,020 lb
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|empty weight lb=1020
|max takeoff weight main= 1,670 lb
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|engine (prop)=[[Lycoming O-360|Avco Lycoming IVO-360-A1A]]
|max takeoff weight lb=1670
|type of prop=air-cooled [[flat-four]] piston
|fuel capacity={{convert|31|USgal|impgal L|abbr=on}}
|number of props=1
|more general=
|power main= 180 hp
<!--
|power alt= 134 kw
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|max speed main= 100 mph
-->
|max speed alt=87 knots, 161 km/h
|eng1 number=1
|max speed more=at sea level
|eng1 name=[[Lycoming O-360|Avco Lycoming IVO-360-A1A]]
|cruise speed main=90 mph
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|range main= 250 miles

|range alt={{cvt|250|mi|nmi km|disp=out}}
|rot number=1<!-- helicopters -->
|ceiling main= 10,800 ft
|rot dia m=<!-- helicopters -->
|ceiling alt= 3,290 m
|rot dia ft=23<!-- helicopters -->
|climb rate main= 1,900 ft/min
|rot dia in=9<!-- helicopters -->
|climb rate alt=9.7 m/s
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|more performance=

|avionics=
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}}


Line 123: Line 143:
{{reflist}}
{{reflist}}


;Bibliography
==Bibliography==
*{{cite magazine |title=Aircraft Production List: 5: The Brantly B-2: Part One |magazine=Archive |publisher=Air-Britain |year=1990 |issue=4 |pages=91–92 |issn=0262-4923}}
* {{cite book |editor1-last=Bridgman |editor1-first=Leonard |editor1-link=Leonard Bridgman |editor2-last=Taylor |editor2-first=John W. R. |editor2-link=John W. R. Taylor |title=Jane's All the World's Aircraft 1958–59 |year=1958 |location=London |publisher=Sampson Low, Marston & Company. Ltd.}}
*{{cite magazine |last1=Elliott|first1=Bryn|title=On the Beat: The First 60 Years of Britain's Air Police |magazine=[[Air Enthusiast]] |date=January–February 1999 |issue=79 |pages=68–75 |issn=0143-5450}}
*{{cite magazine |last1=Elliott|first1=Bryn|title=On the Beat: The First 60 Years of Britain's Air Police, Part Two|magazine=Air Enthusiast|date=May–June 1999|issue=81|pages=64–69 |issn=0143-5450}}
* Frawley, Gerard. ''The International Directory of Civil Aircraft''. Aerospace Publications Pty Ltd, 1997. {{ISBN|1-875671-26-9}}.
* Frawley, Gerard. ''The International Directory of Civil Aircraft''. Aerospace Publications Pty Ltd, 1997. {{ISBN|1-875671-26-9}}.
* Harding, Stephen. ''U.S Army Aircraft since 1947''. Shrewsbury, UK: Airlife, 1990. {{ISBN|1-85310-102-8}}.
* {{cite book |last=Harding |first=Stephen |title=U.S Army Aircraft since 1947 |year=1990 |location=Shrewsbury, UK |publisher= Airlife |isbn=1-85310-102-8}}
*[[John W. R. Taylor|Taylor, John W.R.]]. ''Jane's All the World's Aircraft 1976–77''. London: Jane's Yearbooks, 1976. {{ISBN|0-354-00538-3}}.
* {{cite book |editor-last=Taylor |editor-first=John W. R. |editor-link=John W. R. Taylor |title=Jane's All the World's Aircraft 1976–77 |year=1976 |location=London |publisher=Jane's Yearbooks |isbn=0-354-00538-3}}


==Further reading==
==Further reading==
Line 136: Line 160:
{{Commons category|Brantly B-2}}
{{Commons category|Brantly B-2}}
* [http://www.flugzeuginfo.net/acdata_php/acdata_brantlyb2_en.php Specs & Photo at Flugzeuginfo.net]
* [http://www.flugzeuginfo.net/acdata_php/acdata_brantlyb2_en.php Specs & Photo at Flugzeuginfo.net]
* [http://sites.google.com/site/stingrayslistofrotorcraft/brantly-b-2j10 Brantly B-2J10 at ''Stingray's List of Rotorcraft'']
* [http://sites.google.com/site/stingrayslistofrotorcraft/brantly-b-2j10 Brantly B-2J10 at ''Stingray's List of Rotorcraft''] {{Webarchive|url=https://web.archive.org/web/20160809044341/https://sites.google.com/site/stingrayslistofrotorcraft/brantly-b-2j10 |date=2016-08-09 }}


{{US Army helicopters}}
{{Brantly aircraft}}
{{Brantly aircraft}}
{{US Army helicopters}}


[[Category:Brantly aircraft|B-2]]
[[Category:Brantly aircraft|B-2]]
[[Category:United States civil utility aircraft 1950–1959]]
[[Category:1950s United States civil utility aircraft]]
[[Category:United States helicopters 1950–1959]]
[[Category:1950s United States helicopters]]
[[Category:Single-engined piston helicopters]]
[[Category:Single-engined piston helicopters]]
[[Category:Aircraft first flown in 1953]]
[[Category:Aircraft first flown in 1953]]

Latest revision as of 18:55, 13 September 2024

Brantly B-2
Brantly B2 in a hover
General information
TypeLight Helicopter
ManufacturerBrantly Helicopter Corporation
Designer
StatusIn production (2011)[1]
Number built334
History
Introduction date1958
First flight21 February 1953

The Brantly B-2 is an American two-seat light helicopter produced by the Brantly Helicopter Corporation.

Design and development

[edit]

After the failure of his first design, the Brantly B-1, Newby O. Brantly decided to design a simpler and less complicated helicopter for the private buyer.[citation needed] The B-2 had a single main rotor and an anti-torque tail rotor and first flew on 21 February 1953. This was followed by an improved second prototype that first flew on 14 August 1956.

The B-2A was introduced with a modified cabin, and the B-2B had a larger 180 hp fuel-injected engine. The B-2B has a three-bladed articulated main rotor and an all-metal fuselage, it can be operated with skid, wheel or float landing gear. The piston engine is fitted vertically in the fuselage behind the cabin.

Operational history

[edit]

The basic design has remained in production for over 50 years.[1] The United States Army ordered five B-2s (designated the YHO-3) to be evaluated in the Light Observation Helicopter competition in 1958, although it lost the bid, the Army operated the H-5T unmanned variant as target from 1986.[2] Introduced in the early 1970s, an improved larger version with five seats was designated the Brantly 305.[3]

Variants

[edit]
The unbuilt Brantly B2J10 10-seat transport helicopter. Was to be powered by two Allison 250-C18 or two Boeing 550-1-12C engines.
  • Brantly B-2: Two-seat single-engined light utility helicopter.
    • Brantly YHO-3: United States military designation for the B2.
  • Brantly B-2A: Initial production version.
  • Brantly B-2B: Improved version, fitted with new metal rotor blades, and an uprated fuel-injected 180 hp Lycoming piston engine.
  • Brantly 305: Larger five-seat version.
  • H-2: Designation of the B-2B built by Brantly-Hynes between 1976 and 1979.
  • Brantly B-2J10: Projected tandem-rotor version with longer and wider fuselage for carrying passengers and/or cargo. Unbuilt.
  • V750 UAV: An UAV version developed by Qingdao Haili Helicopters Co. Ltd., a joint venture between Brantly International Inc, Qingdao Wenquan International Aviation Investment Co., Ltd, and Qingdao Brantly Investment Consultation Co., Ltd.[4] Maiden flight was completed on May 7, 2011, and received an order from an unnamed customer[5]

Accidents and incidents

[edit]

The B-2 has had 21 fatal accidents between February 1964 and August 2009.[6]

Survivors

[edit]

A B2B belonging to the Flying Gyrocopter and Old Aircraft museum at Midden-Zeeland, Netherlands was reportedly about to fly again November 2009.[7]

A Greek road-assistance company named Express Service based in Thessaloniki operated a B2B Brantly-Hynes helicopter for several years. That helicopter started flying in 1978 and had the Greek registration number SX-AHH. First captain was the pilot Kaltekis Spyridon.

B2 sn#18 is in Chino awaiting restoration after the 2005/2010 floods at Corona airport,a month underwater did little corrosive damage... , a B2B acquired for spares to complete restoration (dual serial numbers found "spliced together bird")

Specifications (B-2B with skid landing gear)

[edit]

Data from Jane's All the World's Aircraft 1976–77.[8]

General characteristics

  • Crew: 2
  • Length: 21 ft 9 in (6.63 m)
  • Height: 6 ft 9 in (2.06 m)
  • Empty weight: 1,020 lb (463 kg)
  • Max takeoff weight: 1,670 lb (757 kg)
  • Fuel capacity: 31 US gal (26 imp gal; 120 L)
  • Powerplant: 1 × Avco Lycoming IVO-360-A1A air-cooled flat-four engine, 180 hp (130 kW)
  • Main rotor diameter: 23 ft 9 in (7.24 m)
  • Main rotor area: 442 sq ft (41.1 m2)

Performance

  • Maximum speed: 100 mph (160 km/h, 87 kn) at sea level
  • Cruise speed: 90 mph (140 km/h, 78 kn) (75% power)
  • Range: 250 mi (400 km, 220 nmi)
  • Service ceiling: 10,800 ft (3,300 m)
  • Rate of climb: 1,900 ft/min (9.7 m/s)

See also

[edit]

Related lists

References

[edit]
  1. ^ a b Bayerl, Robby; Martin Berkemeier; et al: World Directory of Leisure Aviation 2011-12, page 189. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X
  2. ^ Harding 1990, pp. 73–74.
  3. ^ Frawley, Gerard. The International Directory of Civil Aircraft. Aerospace Publications Pty Ltd, 1997. ISBN 1-875671-26-9.
  4. ^ http://www.aviationweek.com/aw/blogs/defense/index.jsp?plckController=Blog&plckScript=blogScript&plckElementId=blogDest&plckBlogPage=BlogViewPost&plckPostId=Blog:27ec4a53-dcc8-42d0-bd3a-01329aef79a7Post:de32542d-5108-45db-b600-be5e7ad5f935 [dead link]
  5. ^ "[时事聚焦]俄媒：中国V750型最大无人机是美国B-2B改型_国际观察_天涯社区". Archived from the original on 2011-06-07. Retrieved 2011-09-06.
  6. ^ "R44 Accident Database". Griffin Helicopters. Retrieved 30 January 2010.[permanent dead link]
  7. ^ FlyPast, November 2009, p.17
  8. ^ Taylor 1976, p. 252.

Bibliography

[edit]
  • "Aircraft Production List: 5: The Brantly B-2: Part One". Archive. No. 4. Air-Britain. 1990. pp. 91–92. ISSN 0262-4923.
  • Bridgman, Leonard; Taylor, John W. R., eds. (1958). Jane's All the World's Aircraft 1958–59. London: Sampson Low, Marston & Company. Ltd.
  • Elliott, Bryn (January–February 1999). "On the Beat: The First 60 Years of Britain's Air Police". Air Enthusiast. No. 79. pp. 68–75. ISSN 0143-5450.
  • Elliott, Bryn (May–June 1999). "On the Beat: The First 60 Years of Britain's Air Police, Part Two". Air Enthusiast. No. 81. pp. 64–69. ISSN 0143-5450.
  • Frawley, Gerard. The International Directory of Civil Aircraft. Aerospace Publications Pty Ltd, 1997. ISBN 1-875671-26-9.
  • Harding, Stephen (1990). U.S Army Aircraft since 1947. Shrewsbury, UK: Airlife. ISBN 1-85310-102-8.
  • Taylor, John W. R., ed. (1976). Jane's All the World's Aircraft 1976–77. London: Jane's Yearbooks. ISBN 0-354-00538-3.

Further reading

[edit]
[edit]
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