Bölkow Bo 46

__NOTOC__ Infobox Aircraft
name=Bo 46


caption=Bo 46, first prototype
type=Experimental high-speed helicopter
manufacturer=Bölkow
designer=
first flight=30 January 1964
introduced=
retired=
status=
primary user=
more users=
produced=
number built=3
variants with their own articles=The Bölkow Bo 46 was an experimental helicopter developed in Germany in 1964 to test the new Derschmidt rotor system. It was a conventional helicopter design with a highly streamlined fuselage built by SIAT. This, together with the new rotor system, suggested in wind tunnel experiments that the helicopter could have attained a top speed of 500 km/h (310 mph), although this was never achieved during flight testing. Flight tests were promising, but the advantages of the new rotor system seemed to be outweighed by its added complexity, and further research in this direction was abandoned in 1966. Towards the end of the flight test programme, one of the prototypes was evaluated with a pair of Turboméca Marboré II turbojets mounted on the fuselage sides, which brought its top speed up to over 400 km/h (250 mph).

pecifications

aerospecs
met or eng?= met

crew=one pilot
capacity=1 passenger/observer
length m=
length ft=
length in=
span m=
span ft=
span in=
rot number= 1
rot dia m= 10.00
rot dia ft= 32
rot dia in= 10
height m=
height ft=
height in=
wing area sqm=
wing area sqft=
rot area sqm= 78.5
rot area sqft= 845
aspect ratio=
empty weight kg=
empty weight lb=
gross weight kg=2,000
gross weight lb=4,400

eng1 number=1
eng1 type=Turboméca Turmo IIIB
eng1 kw= 597
eng1 hp= 800
eng1 kn=
eng1 lbf=
eng1 kn-ab=
eng1 lbf-ab=
eng2 number=
eng2 type=
eng2 kw=
eng2 hp=
eng2 kn=
eng2 lbf=
eng2 kn-ab=
eng2 lbf-ab=

max speed kmh=320
max speed mph=200
max speed mach=
cruise speed kmh=
cruise speed mph=
range km=
range miles=
endurance h=
endurance min=
ceiling m=
ceiling ft=
glide ratio=
climb rate ms=
climb rate ftmin=
sink rate ms=
sink rate ftmin=

armament1=
armament2=
armament3=
armament4=
armament5=
armament6=

References

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ee also

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