12) Externernal Alternator (Optional Extra) - Rotax 914 F Installation Manual

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19.4.12)External alternator (optional extra)
See Ill. 64/65/66.
Feeding wiring to external alternator Q located on the outside of propeller
gear (see ill. 64).
Requirements for flawless operation of the integrated rectifier-regula-
tor
(A)
50
40
30
20
10
1000
2000 3000 4000 5000 6000 7000 8000
NOTE:
Ill. 65
Modification-No.
- 0 -
output: max. 600 W DC at 6000 r.p.m.
voltage: 14,2 – 14,8 V
ambient
temperature range: min. - 30° C (-22° F)
NOTE:
Voltage regulator is inte-
grated in the generator
plus terminal W: M6 screw suitable for cable eyes to DIN 46225
(tightening torque 8 Nm (70 in.lb))
grounding:
via engine block
control wiring E: via supplied standard plug (Sumitomo 6111-2568)
the rectifier-regulator has to be protected by a slow blowing 50A fuse
cross section of the main circuit at least 4 mm
a capacitor (Ill. 52 Pos.A) of at least 22 000 µF / 25 V is necessary
current:
ATTENTION: The current over speed graph has been determined and is
effective only at the following conditions:
ambient temperature: 20 °C (68° F)
voltage:
tolerance:
1500
2000
2500
The speed of the auxiliary generator is 1,24 times crankshaft speed
or 3 times the prop speed.
Reference
max. +90° C (194° F)
permanent 13,5 V
± 5%
(n rpm)
n Propeller
n Alternator
IG
L B
1
Cyl. 2
Cyl. 4
2
2
Ill. 66
Install
Date
1996 05 10
914 F
Ill. 64
Cyl. 1
Cyl. 3
3
Page
87

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