KOKUSAN-DENKI
BREAKER
LESS
FLYWHEEL
MAGNETO
TYPE
GK
352
1.
Specification
Rotation: clockwise
Number
of
sparks per revolution: twice in
180°
alternate sequences
Range
of
revolution:
300-
8000
RPM
Max. 10,000 RPM, 3 minutes
Spark length: measured
by
using three needle
gap
at
300
RPM
....
9 mm
or
more
at
5,000
RPM
..
15 mm and
less
Lighting
output:
AC
12V,
75W
at
4500
RPM
(to
divide
equally
into
two
lead wires)
0
Automatic
timing
advancer: advance 12 approx. at
300
RPM
and onward
(electrically automatic
advancer)
Weight: 4.5 kg (including ring
gear)
Moment
of
inertia: 219
kg-
cm
2
(including ring
gear)
2.
Construction
2.1
Outline
This GK 352
type
flywheel magneto applys a new control
unit
called
"Capacitor
Discharge
Igniter",
which
works
alike
with
contact breakers
of
ordinary
flywheel magnetos.
Thus, this flywheel magneto does
not
use
any contact
breakers and conventional condensers.
GK
352
works
as
electric power source
for
said
CDI unit.
Hundreds voltage generated
by
it
is
stored in a primary
condenser and
abruptly
discharged
to
a primary coil
of
an
ignition coil in a
timed
relation
with
an
engine operation.
Then, a secondary coil generates high voltage electricity
for
igniting
gaseous
air.
42
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