7.5. Stern Tube
Stern tube to be custom GRP fabrication, see detail drawing, no cutlass bearing
required in sterntube.
7.6. Shaft Seal
The stuffing box is to be a John Crane Manecraft “Deep Sea Seal”, type EM, water
lubricated shaft seal, set number 7.
7.7. Shaft Strut
Strut to be custom 316L stainless steel with dimensions, as shown on plans. To have
strut extended thru hull and supported by internal structure, optional composite strut to
be investigated. Strut bearing to be a standard water lubricated rubber bearing with
non-metallic shell.
7.8. Propeller
To be a Max Prop three (3)-bladed feathering propeller of 635mm (25”) diameter with
hub to suit shaft diameter, pitch to be 330mm (13”). After trials, pitch may need to be
adjusted to optimize engine load and cruising speed. It shall be the responsibility of the
Builder to confirm with engine manufacturer and Architect engine selection prior to
ordering engine.
7.9. Generator
One Fischer Panda Model “PMS 14000NE” 12 kW single phase generator, 230VAC, 50
Hz at 3000 rpm to be installed to provide standard single phase 230VAC, 50 Hz service.
Accessories to include sound shield, remote instrument and control panels, shore power
switch, strainer, coolant recovery tank, exhaust elbows, flexible rubber exhaust line, and
waterlift muffler. Main control panel will be bulkhead mounted adjacent to the generator.
A second smaller panel with start/stop will be located in the navigation area. Starter is to
be 12 volt.
Optional equipment to include: TBD
7.10. Main Engine and Generator Exhaust Systems
The main engine exhaust is to be a traditional waterlift system. Components of the
system include an engine manufacturers supplied exhaust elbow with siphon break,
mounted high above the datum water line, water injection ring, waterlift muffler supplied
by Centek (Vernalift 4” Inline Mod. 1500098) and flexible exhaust hose. Exhaust hose to
be by Trident Marine, Blue VHT type or equal.
The generator exhaust is to be a waterlift system. To consist of an engine
manufacturers supplied exhaust elbow with siphon break, mounted high above the
datum water line, water injection ring, waterlift muffler supplied by Centek (Vernalift ?”
Inline Mod. ?) and flexible exhaust hose run to transom. Exhaust hose to be by Trident
Marine, Blue VHT type.
7.11. Controls
The throttle and gearbox control shall be a single-lever system. To be Morse Type MV
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