B-2

I

Подпись:B-2n 1946 the first of Brantly’s helicopter

Подпись:designs, the over-complex B-1, flew for the first time. Undaunted by the unpopularity of his initial design, Brantly went on to produce the best-selling B-2. Through at least three changes of company ownership, the B-2 remained in constant production, a testimony to the soundness of the basic design. Constant improvements allowed the type to remain in production from 1958 until 1994.

Brantly B-2

 

A Model 305

Basically an onlarged B-2. theXR was potentially a more versatile design, but did not sell well.

 

B-2B-2

B-2

A Attractive presentation

Finished m a bright colour scheme, the Brantly B-2 is an attractive and sleek-hoking helicopter. Several examples remain in regular servico.

Unchanging design у

This early B-2A demonstrates the original lines of the typo and how little they wore fo change dunng three decades of production.

A Army evaluation

Five B-2s were tested by the US Army under the designation YHO-3-BR. No production order resulted from this evaluation and tho B-2 also failed to win orders from the British Army.

▼ In the business

This immaculate B-2B is seen under the ownership of Helicopter International Magazine.

FACTS AND FIGURES

► When Brantly was taken over by Hynes, tho B-2 becamo tho Brantly-Hynes B-2. It continued in production until 1994.

► Brantly also developed the 305, a larger, five-seat helicopter based on tho B-2.

Float, skid or wheeled landing gear was an option on all B-2s.

► James T. Kirnurn was tho third owner of the B-2 type certificate, and delivered he* first B-2B on 25 August 1990,

>• British Executive Air Services acquired a production licence for tho B-2.

> In 1992, a B-2B cost US$120.000 to US$135,000 depending on equipment fit-

Brantly В-2

 

B-2B

Type: I wo-beat light helicopter

Powcrplant: one 134-kW H80-«p. l Textron Lycoming п/О-360-AiA flat-four piston engine

Max speed: ’61 km/h (100 ntpA) at sna lovel

Max cruising speed: 145 km/h (90 m. p h.) at 75 per cent power

Initial climb rale: 590 m’rmn (t.900 f. p.m i at sea level

Range: – too km (250 mi.) With maximum fur – and roiwrvor.

 

B-2

Bolow: A choice of undercarriage gave the B-2 added flexibility. These floats soom overly large for such a small machine, however, and must have roducod performance dramatically.

 

Service ceiling: 3290 rr. іп. оос ft i

Weights: empty 463 kg (1.020 lb) (with sk-ds): maximum take-off 757 kg (1.665 lb )

 

Dimensions:

main rotor diameter fuselage length height

main rotor dec area

 

7.24 m (23 ft. 9 in.) 6.62 m |21 ft 9 m| 2.05 m (6 ft 9 in.) 41 16 m – (443 sq ft.)

 

ACTION DATA

 

Eacn man rotor bade s n two зесЬсжтз. the oulbotro twit detach^ for o:rv, уггл-эде m confined spacos A srantess stool wutWig edge atop о fitted to the ncn romovablo section,

 

A compart тот.: о the forward port ol the tailcone pro-ados «расо for n uvixutium of 227 kg |5Q lb.| of boggayo. Tire tnakos I ho 0 ? a iiaohrl lotirvig mnchria

 

With 11» mfrooucticn oi UAjed yvi/rnj f»-o В-2Л and В ргемаеа a ivurji better afc-round van sorr.

 

B-2

The fuselage ‘i Of Stool tutio – jlructum іхЛ Uvi talcono is of ai чгю*и guessed skn construction Tho looocxl tailnKW also provides projection lor If» tal rotor when the aitcralt m По-лп r. ro tght soaoes

 

surfaces. This зяггаИ « asо fitind wild ground-nandbig w«u»s Oinor lancing peer optens are Hoots я ake.

 

B-2

I 8ELL 47: One of the earliest product*» helicopters, having been produced from 1946. the Model 47 wits still in production during the 1960s. Many hundreds were built

 

■ ENSTROM F-28: Having or. fored production during the autumn of 1963. tho F-23 was intended to offer exceptional value for a throe – seat lightweight hnlcoplnr

B-2

 

■ HUGHES 269: Hughes found a very successful formula with its mthor ungainty – looking l. fodcl 269. Hundreds of aroralt were built in the US and under licence.

 

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Bristol

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