21
31 Ideal Keel Cooling Tank
Steel Tanks Steel Tanks
Engine Model Size (ft) Size (m
2
)
Beta 14 3.5 0.33
Beta 16 4.0 0.38
Beta 20 5.0 0.46
Beta 25 6.3 0.59
Beta 30 7.5 0.70
Beta 35 8.8 0.82
Beta 38 9.5 0.88
Beta 43 10.8 1.00
Beta 50 12.5 1.16
Beta 60 15.5 1.43
Efficient keel cooling tanks are side mounted, see
illustration. The ideal keel cooling tank should have:
a) The ‘baffle’ must be continuously welded to the
outer skin and to one end as shown, and should
be close fitting to the inner skin.
b) The tank should be thin in section (H= 30mm
to 40mm) as it is the heat transfer to the canal
or river water that is important.
c) The tank must have air bleed valves fitted on the
top at both ends of the tank.
d) The hot water feed enters at the top of the tank
and the engine return comes out of the bottom.
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