Exhaust system
70
All longitudinal exhaust lines, before and after the si-
lencer, should have an average inclination of
min 4° (7%), angle (b) figs B and C.
Fig. A
A
H
Min. angle
15° (26%) (
αα
αα
α)
Fig. C
γγ
γγ
γ=10°
(17%)
ββ
ββ
β=4°
(7%)
All transverse exhaust lines, before and after the si-
lencer, should have an average inclination of
min 10° (17%), angle (g) fig C.
For sailing yachts see principal system fig. D on the
following page.
Fig. B
β=β=
β=β=
β=4°
(7%)
Exhaust elbow angle (a) relative to water line,
fig. A should be min 15° (26%).
The silencer should be fitted as close to the engine as
possible. The hose must be arranged with a continuos
inclination into the silencer throughout the whole dis-
tance, see fig. A.
NOTE! The minimun distance (H) between the engine
exhaust centerline and the silencer inlet center should
be 150 mm (6").
Length (A) Height min. (H)
650 mm (25") 150 mm (6")
1000 mm (40") 190 mm (7.5")
1500 mm (59") 220 mm (8.5")
If the hose between elbow and silencer has such a
length or design it must be supported (1) to avoid a
"sack", see figure A.
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