Design Basics
Installation and Service Manual
Mono hull design
Figure 3:
Mono Hull Design
1
Strakes inside width of intake should stop 0.5meters aft of dynamic air/water interface
2
Shaded area should be kept free of any appendages including water pickups
3
Air/water interface
4
Strake
5
Jet unit intake
Multi hulled vessels
Jet units may be fitted in catamaran and some trimaran hulls. Air can become trapped between the hulls in
these types of vessels and care must be taken to ensure that this trapped air does not enter the jet unit
intake(s).
This can be avoided if the hulls are deep in relation to the air tunnels so that the jet units sit well down in the
water.
When in the ahead (up) position, the reverse duct must not project beyond the sidewalls of a catamaran or
trimaran hull. This can cause substantial drag.
Consult with C.W.F. Hamilton & Co Ltd in all cases if jet units are to be used in these types of hull.
Figure 4:
Multi Hull Design
3-2
Summary of Contents for HJ212
Page 1: ...HJ212 Installation and Service Manual R3A3 Jet unit Manual ...
Page 20: ...Product Description Installation and Service Manual 2 6 ...
Page 56: ...Commissioning Installation and Service Manual 6 4 ...
Page 62: ...Fault Finding Installation and Service Manual 7 6 ...
Page 82: ...Maintenance Installation and Service Manual 8 20 ...
Page 137: ...Installation and Service Manual Appendix Notes 10 21 ...
Page 141: ...Installation and Service Manual Appendix Notes 10 25 ...
Page 164: ...Appendix Installation and Service Manual 10 48 ...
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Page 197: ...Notes ...