The DLR research Bo105, S123

The Eurocopter Deutschland (formerly MBB) Bo105 is a twin engine helicopter in the 2.5-ton class, fulfilling a number of roles in transport, offshore, police and battlefield op­erations. The DLR Braunschweig operate two Bo105 aircraft. The first is a standard serial type (Bo105-S123), shown in Fig. 4B.3. The second aircraft is a specially modified fly – by-wire/light in-flight simulator – the ATTHEs (advanced technology testing helicopter system), Bo105-S3. The Bo105 features a four-bladed hingeless rotor with a key innova­tion for a 1960’s design – fibre-reinforced composite rotor blades.


Fig. 4B.3 DLR research Bo105 S123 in flight

Table 4B.2 Configuration data – Bo105

a0

6.113/rad

Izz

4099 kg m 2

xcg

0.0163

a0T

5.7/rad

Ke

113 330 Nm/rad

•50

0.0074

atp0

0.0698 rad

lfn

5.416m

52

38.66

efn0

-0.08116 rad

ltp

4.56 m

53

1

4b.

‘^i

0

c

0.27 m

It

6 m

5T0

0.008

gT

5.25

Ma

2200 kg

5T2

9.5

hR

1.48m

Nb

4

Ht

1.72m

R

4.91 m

Y

5.087

Ie

231.7 kg m 2

Rt

0.95 m

Ys

0.0524 rad

Ix:x

1433 kg m 2

Sfn

0.805 m2

>2

1.248

Ixz

660 kg m 2

Sp

0.803 m2

&tw

-0.14 rad

Iyy

4973 kg m 2

sT

0.12

&idle

44.4 rad/s

Подпись: 264 Helicopter Flight Dynamics: Modelling
Подпись: ш оо є

A three-view drawing of the aircraft is shown in a Fig. 4B.4, and the physical char­acteristics of the aircraft used to construct the Helisim simulation model are provided in Table 4B.2.

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