Nevermore Systems Descriptions
Contents
- 1 S/V Nevermore Ship's System Descriptions
- 1.1 1 CONTENTS
- 1.2 2 SUBSYSTEMS TO BE ADDED TO THIS DOCUMENT
- 1.3 3 BOAT SYSTEMS
- 1.3.1 3.1 standing and running rigging (including mast-partners)
- 1.3.2 3.2 Ship's Machinery
- 1.3.3 3.3 Ship's Electrical Subsystems
- 1.3.4 3.4 Electronics
- 1.3.5 3.5 Hull and joinerwork inside
- 1.4 4 DINGHY
- 1.5 5 SAFETY/EMERGENCY EQUIPMENT
- 1.6 6 OPERATIONAL EQUIPMENT
- 1.7 7 DOCUMENTATION and REFERENCES
- 1.8 8 MARINE SUPPLIES and SERVICES
S/V Nevermore Ship's System Descriptions
Editor's note: * This document is spun off Aleida's Sub-System list version 11June04. * Observe that -- because section numbers are coded into the section headings -- we often turn the "show contents" feature off, since it prepends its own computed section numbers to make a very silly list.
1 CONTENTS
2 SUBSYSTEMS TO BE ADDED TO THIS DOCUMENT
- centerboard
3 BOAT SYSTEMS
3.1 standing and running rigging (including mast-partners)
- - - - * standing rigging (including mast-partners)
- - - - * running rigging
(do we want this header, since it's just a
nuisance to put sails in subheaders under
it (which we didn't do, you'll notice)
(Maybe if I could think of more things to
list under standing rigging, I'd like to
have separate "standing" and "running" headers?)
3.2 Ship's Machinery
3.2.1 power train
3.2.1.1 engine
- * Engine model: Westerbeke 50
See Tartan's Engine schematic dgm of 12-V DC circuitry which comes with the Engine.
Misc observations (useful in troubleshooting):
- Engine instrument panel gauges (05Sep07):
- Water Temp gauge
- * goes off left (cool) end with sender disconnected (good)
- * shows 360 ohm @ 100 deg, 25 ohm @ 230 deg
- Oil Pressure gauge
- * goes off left (0 psi) end with sender disconnected (good)
- (but note: Calder p.288 says most O.P. gauges go to high reading)
- * sender shows 460 ohm @ 0 psi, 44 ohm @ 50 psi, 0 ohm @ 80 psi
- Water Temp gauge
- See Tech Letter #72 page V.4 Engine Manual
- "Gauges -vs- Senders non-Interchangeability"
- engine mfgr has used 4 different gauge mfgrs for WT & OP, and each
- requires sender by same mfgr; diagrams are given for configs of
- connections for each kind of gauge gauge.
- TODO: define here which make of gauges we have (so tested above),
- and (a) mention it in the 2 sets of resistance readings above,
- and (b) annotate Engine Manual
3.2.1.2 transmission
- * Appears to be a "Short Profile Sailing Gear" transmission
- (page S.41 of Engine Manual, by comparing it to descriptions of
- about 5 different kinds of transmissions described therein)
- * Type of transmission fluid: AFT type A, or Dextron II
- TODO: find out if it's of HBW 5, 10, or 20 type(?), which will determine
- whether it uses 0.4, 0.6 or 0.8 litre of xmission fluid.
3.2.1.3 drive shaft, coupler, stuffing box
3.2.1.4 propeller
3.2.2 steering & binnacle
3.2.2.1 Wheel, drive & quadrant mechanism, rudder-post
3.2.2.2 emergency tiller
3.2.3 bilge pumps
3.2.3.1 Electric Bilge Pump
Jabsco Water Puppy (Model 18660-0121).
Specs:
| Body | Bronze |
| Impeller | Neoprene p/n 6303-0001, -0003 nitrite for oil-resistence |
| Voltage | 12 Vdc |
| Amp Draw | 8 amp |
| Fuse Size | 15 amp |
| Port Type | 1/2" Internal Pipe Threads |
| Dimensions | 3 x 4-3/4 x 6-3/8 inches (7.6 x 12.0 x 16.2 cms) |
| Weight | 4-1/2 lb (2 kg) |
More information can be found in the Jabsco Water Puppy Technical Data Sheet
This pump is mounted on the port side of the stern lazarette. A white, corregated plastic ("Bilge-flex"), 3/4" I.D. hose leads from the bilge to the pump. A white, corregated plastic, 5/8" I.D. hose leads from the pump to a through-hull port on the starboard side near the stern. Note that this is the same port used by the manual bilge pump.
The bilge pump is wired directly from battery #1 to the 3-way switch on the nav station breaker panel. The up position manually turns on the pump. The down position puts the pump in automatic mode, in which a "float switch" will turn on the pump when water level in the bilge rises. A 15-amp fuse is inline with the positive lead from battery #1. The yellow rubber fuse holder for this fuse is strapped to the wiring harness that runs directly above battery #1.
The float switch (which doesn't actualy float) for the bilge pump is located behind the aft-most panel above the port bench in the cabin (just forward of the nav station). An orange hockey-puck-sized rubber cover surrounds a microswitch which is affixed to a rubber diaphram. A black plastic air tube runs from the diaphram to a plastic air bell in the bilge. Rising water in the bilge will increase air pressure in the tube and activate the switch.
As of 9/3/2007, the switch is not sensitive enough to be activated by 6 inches of water. Deeper water might activate the pump, but the required depth is unknown. A newer model float switch (Jabsco Hydro Air Bilge Switch) will be ordered.
3.2.3.2 Manual Bilge Pump
This pump is mounted on stern lazaret to starboard of steering position. Its handle is tied to boat in stern lazaret. A second handle is aboard. Gray corrugated plastic hose, approx 1", leads from bilge to pump.
TODO: define hose to thru-hull, and position of thru-hull.
TODO: define model number, capacity, etc., of pump.
3.2.4 head
3.2.5 ice box
3.2.6 stove
3.2.7 Fresh Water System
The fresh water system is supplied by 2 tanks, a 30-gallon tank on the port side, and a 60-gallon tank on the starboard side. Each tank has 2 inspection ports which are easily accessed through the lower berth/bench on either side of the main cabin.
Valves under the cabin floor connect the two tanks. Either tank can supply water to the system, or both tanks can be linked together.
3.2.7.1 Fresh Water Pump
Jabsco Par-Max 3.0 (Model 31395-3000).
Specs:
| Voltage | 12 Vdc |
| Amp Draw | 5.2 amp @ 10 PSI |
| Fuse Size | 10 amp |
| Flow | 3.0 GPM |
| Ports | "Snap-Fit" ports with 1/2" hose adapters |
| Dimensions | 9 x 4.2 x 4.75 inches |
| Weight | 4-1/2 lb (2 kg) |
The water pressure pump is located just forward of the starboard tank, under the lower berth. Diaphram design allows pump to run dry without damage. Internal pressure sensor stops the pump when working pressure is acheived.
3.2.7.2 Fresh Water Strainer
Jabsco Pumpgard (Model 36400-0000)
Water from one or both tanks is filtered by a steel screen strainer which is inline just before the water pump.
The strainer can be cleaned by unscrewing the plastic cover from the top, removing the cylindrical screen, and rinsing it out with fresh water.
3.3 Ship's Electrical Subsystems
3.3.1 12-volt DC
See nav_station_switches for usages of individual switches.
The main circuit panel above the nav table is organized into groups
of controls including (from left to right):
1. meters for battery voltage and current being used by ship's systems
2. one "bilge/sump" switch controlling the electric bilge pump
3. two horizontal rows of 6 combination circuit-breaker/switches
4. a vertical row of 7 combination circuit-breaker/switches
5. a control subpanel associated with cockpit Nav instruments, with
lamp dimmer control for instrument backlights, a repeater log,
and an additional ckt brkr for the Nav instruments.
Subsections below delineate each one of these groups, but in the order
3, 2, 1, 4, 5, i.e., in the order one might have to use the controls
- - - - - - * main switch/circuit-breaker sub-panels (horizontal switches)
Battery voltage to this sub-panel's switches is OFF unless battery power
is ON on one (or more) main rotary battery switch
No voltage is applied to the remainder of the 11 switches unless
the upper-left-most switch of this sub-panel (named "MAIN") is on.
- - - - - - * sump/bilge switch
Voltage is ALWAYS on to this switch, even when main rotary switches are OFF.
It is always connected to power from Battery #1, through an inline fuse
located in the wiring harness above the battery. Removing the fuse
removes voltage from the main panel's bilge-pump circuits.
Use of switch is defined in 3.2.3.1 Electric Bilge Pump.
A note on terminology: The terms "bilge" and "sump" are synonymous on
Nevermore; Tartan's original "sump" was a separate catch-basin for ice box
and shower water, while "bilge" was used normally. As far as we know (Sep07),
the "sump" isn't used any more, and we use the 3-way switch to provide
OFF, AUTOMATIC, or MANUAL operation of the single bilge pump.
TODO: mark up Tartan 37 User's Manual to NOT talk about the "sump".
TODO: check whether the refigerator (ice box) still drains into
any kind of sump.
- - - - - - * meters (voltage, current)
Meter ranges: voltmeter 0 - 25 VDC; ammeter 0 - 50 A
Note: an expanded-range voltmeter might be better, e.g. 9 - 15 VDC.
Voltmeter quirk: it appears to read high by approx 1.4 or 1.5 volts.
The zero-point for the meter has been adjusted to read battery voltages
correctly (per Ted's VOM); therefore the zero-point will be off-scale.
Ammeter reads only the current being used by ship's systems, but not
any usage by the engine; it especially does not indicate battery
charging; the ammeter on the engine control panel does that.
- - - - - - * auxiliary switch sub-panel (vertical) at Nav Station
QUESTION: does the horizontal sub-panel's "main" switch also
control power to this sub-panel; we assume so.
| ANSWER: YES (Ted) or NO (Thom) |
- - - - - - * other control panel upper-right of nav-station panel
TODO: check what Ted said about "extra ckt brkr protection of Nav
instruments in item 5 above, and make a statement in terms
of how primary 12-V power is provided to them.
- - - - * Batteries
Batteries #1 and #2 (controlled by top main rotary switch) are
"mixed use" (starting and deep discharge) batteries of the same type;
they're located below nav station seat; #2 is fwd, #1 aft
Powermaster DC-27P, flooded, 750 MCA, 200 min reserve
Battery #3 (controlled by bottom main rotary switch) is
"heavy duty marine starting" battery located in engine compartment
Powermaster (unknown model), flooded, (unknown values)
The two rotary battery switches are
Guest 2300A, 360-amp, 600-amp momentary;
both have AFD (alternator field disconnect) but they aren't wired.
hence it is very important that at least ONE battery be
selected =ON= at all times that the engine is running.
Emphasizing importance of above: we've found NO alternator
protector (West Marine catalog index term) to prevent over-voltage
from blowing the alternator's diodes when all batteries are turned
"OFF" while running the engine; nor are the AFD (alternator field
disconnect) contacts on the main switches wired (nor can they BE
wired, with the present wiring of the bottom switch Batt #2 contact.)
TODO: put some of the AFD unwirability discussion in a "quirk" section,
and make a simpler statement in THIS paragraph...
- See Main Batteries Usage Strategies
- for instruction and rationales for battery switching and use.
- See Main 12-volt Control Schematic Diagram
- which includes schematic (graphic) and a walk-thru of circuitry (text).
- - - - * 120-V AC Battery Charger
This unit is located directly forward of the nav station and under the port-side settee. It is powered by 120-V AC shore power, and outputs three isolated lines of +13.x V DC for charging 3 batteries. There is a common "-" also.
The converter also accepts a 12-V DC signal from the engine which inhibits charging output from the Converter when the engine is running; i.e., when the signal line has 12-V on it. This input comes (by the small blue wire) from the engine such that the 12V is ON when the fuel-pump switch is closed.
There is a switch for turning ON the 120-V AC input to the Converter. We believe that the main AC switch (left one on bulkhead above the Nav station) must also be ON.
On Nevermore, there are 2 2-conductor "romex" wires with the 12-V DC charging current: 2 whites to "+" of Batteries #1 and #2, connected to these terminals on top primary battery switch; 1 black to "+" of Battery #3's terminal on lower primary battery switch; and 1 black common "_" connected [Th believes] to the common ground point of the engine.
On Nevermore, the blue charge-inhibition wire is in the 12V Schematic's "cloud of assumptions" somewhere such that it gets +12v when the engine is running, i.e. when the fuel-pressure switch is ON.
The output voltage is adjustable (with a wire-wound resistor tap, Thom believes) but it isn't something that is done in normal operation. E.g., the instructions say to have the batteries all charged up when you adjust it, so that it's not the kind of thing we'd do to quick-charge a battery, for example.
- More 12-V DC charging functions of this Converter are detailed in subsection 4 of 12V schematic walk-thru
- The 110-V AC function (shore power) for this battery charger are given in 3.3.2 "120-volt AC -to- 12-volt DC Converter unit" below
Specifications - 120-V AC Battery Charger Input power: 100 to 130-V AC, 8 amp Output power: 12-V DC, 30 amp (Thom assumes 30 amp shared across all 3 ckts) Duty cycle: 80 [something?] GR Manufacturer: Raritan Engineering Co, Milville, NJ Model: R3012-3 Crown Automatic Marine Converter Serial No: 1090621 (probably; Th's notes soiled)
- TODO: find exactly where the blue wire connects to engine-running signal.
- TODO: Verify that main 120-V AC switch powers the Converter's ON/OFF switch.
3.3.2 120-volt AC
Here's a few observations of 120-volt AC circuits off top-of-my-head:
- Shore power connector on port quarter; it is the aft-most of 2 connectors. (Other is "phone".)
- Two CktBrkrs on bulkhead to left above nav station seat
- port-most CktBkr: "110 V AC" which we assume is a master switch/CktBrkr for all 120-V AC. The circuits Thom has observed include:
- 120-volt AC -to- 12-volt DC Converter unit, for charging batteries, under settee directly in front of Nav station
- 120-volt "wall-socket" in head
- 120-volt "wall-socket" over sink (or thereabouts)
- perhaps also enables the CktBrk below (hot water)
- starboard-most CktBkr: "WATER SYSTEM" which is heater unit in the same hot water tank that the engine water heats. See Tartan User's Guide for admonition not to turn on 120-volt to heater unless water pressure pump is also turned on.
- port-most CktBkr: "110 V AC" which we assume is a master switch/CktBrkr for all 120-V AC. The circuits Thom has observed include:
- The shore-power connection is for 120-volt AC, 20/30-amp locking connectors.
- Two shore power cords are aboard, both with 30A locking connectors.
TODO: check continuity w/o plugging in to shore, trying to have only the water heater on
in one test to see whether it's connected, etc. (Hint: the battery charger Converter
has a primary on/off switch which Thom assumes switches the AC power on/off.)
TODO: add page number in T. U.G. for admonition about having water pressure on for heater.
DONE: check that shore cords are compatible with ship's connector.
TODO: measure length of cords.
3.3.3 anti-electrolysis
- - - - * sacrificial guppy on cable
- - - - * zinc on prop-shaft
- - - - * zincs in engine block seawater cooling system
QUESTION: don't know where exactly located:
Tartan engine manual mentions something like
"zinc in heat exchanger" (p.20) but maintenance log
penned on back page says "replaced both zincs..."
ANSWER (partial): Th found another zinc in oil
cooler
TODO: look up page number (in parts list, I think) of these zincs.
3.3.4 lightning-dissipation
3.4 Electronics
3.4.1 basic instruments
3.4.1.1 fathometer
- meter and transponder [permanent seal] [thru-hull]
3.4.1.2 knotmeter
- meter and transponder + dummy transponder [thru-hull]
3.4.1.3 station VHF
- (fixed)
see Radio_Channels_in_Boston_Harbor for VHF channels likely to be used.
See VHF_Frequencies for a complete list of US VHF channels with their intended usages.
Some channels have been highlighted:
- Note that the channel-usages below are somewhat colloquial
- and are not stated in the officialese of the table ref'd above..
- 16 - emgcy, USCG announcements, and ship-to-ship hailing
- 09 - pleasure-boat hailing (and other uses)
- 22A - Coast Guard advisories (announced on 16),
- ship-to-USCG communication when CG commands it
- 12 - some CG stations (other than Boston) use 12 instead of 22A
- 13 - commercial ship-to-ship bridges; used instead of maneuvering COLREGS whistles;
- use shorthand hailing protocol, terse messages;
- we MIGHT xmit if they talk about us and stating our intentions can help them
- 06 - search-and-rescue
- 68, 69, 71, 78A - non-commercial (boat-to-boat & boat-to-shore facilities)
- 72 - non-commercial boat-to-boat
3.4.2 electronic aids
- - - - * GPS (Raytheon, fixed)
* Displays on same screen RADAR uses
* Don't know whether it can overlay with radar... hummm...
* GPS functionality is in the box mounted on top of nav station switch panel
* Not known whether it works (Sep07)
- - - - * GPS (Garmin 276C
Garmin GPSMAP(r) 276C - ordered late Sep07
- - - - * RADAR (Raytheon)
- - - - * RADAR Reflector
- - - - * RADAR 8-direction detector
Just what IS the name of this thing
3.4.3 other electronics
- - - - * VHF hand-held (and charger(s))
- NOTE: ThomS doesn't believe we have one aboard (c. Sep07)
3.4.4 signaling
- - - - * ship's whistles
compressed air (type of cans?) and mouth-powered
- - - - * ship's bell
- - - - * dayshapes: steaming cone, anchor ball
(not required in US waters?)
- - - - * flares/flag/mirror kit
3.5 Hull and joinerwork inside
3.5.1 dimensions & capacities
hull: draft (CB down/up), LOA, LWL
hull number: design number:
mast height:
displacement:
keel / CB weight:
fuel capacity:
fresh water: capacity: number of tanks
3.5.2 thru-hulls
3.5.3 tools (esp. emergency
* thru-hull valve handle wrench
* sledge hammer for thru-hull plugs
* cable cutters for shrouds
* axe esp. to cut away mast
3.5.4 joinery
- - - - * "floor-joists" & tabs to hull
- - - - * cabin sole and hatches
- - - - * drawer open-stops and latches
- - - - * main hatch, companionway, wash boards
3.5.5. hull/deck/cockpit
4 DINGHY
incl pump, oars/oarlocks, motor, bailer
such things as thwart, bow splash-cover
fuel tank/filler cap/airvent, fuel-hose, pressure bulb
painter(s) / tow-line
anchor and rode
lights
5 SAFETY/EMERGENCY EQUIPMENT
5.1 dedicated safety equipment
NOTE: we're dumping in Aleida's entry right now (28Aug07)
* fire extinguishers (2 mounted, 1 extra) (TODO: define type, size) EMGCY
2 mount by companionway and in head; 1 extra in fwd cabin shelf
* signal flares and flag (in the orange tub by companionway stairs) EMGCY
(out of date flares in another orange tub forward cabin)
TODO: mention what all is in the primary orange tub
* manual bilge pump (and handle) (under sink main cabin) [thru-hull] EMGCY
* liferaft (big, simple, open, self-inflatable) (in stbd laz) EMGCY
TODO: fill in info about liferaft
* PFDs
* inflatable type 5 equiv type 2 manual op (25? pounds flotation) SAFETY
TODO: how many? and list the belt version?
* type 4 (2 cushions) SAFETY
* type 3 jackets (like pavilion) (in stbd laz hammocks) SAFETYs
* type 3 "collars" (use with inflatables) (in port laz plastic "box") SAFETY
* harnesses (not known compat with PFDs) SAFETY
* jacklines (2) SAFETY
* MOB horseshoe + drogue + flag + strobe [6-v screw-term lantern batt] EMGCY
* MOB lifesling lifesling block-n-tackle (use spinnaker halyard) EMGCY
* first aid kit stored in cupboard in head) EMGCY
* first aid reference book (???) EMGCY
* emergency tools: * cutaway: shroud cutter, hacksaw?, axe EMGCY
* QUESTION: do we want to list emergency tiller here? EMGCY
5.2 cross-ref to other boat equipment for safety/emergencies
NOTE: we're dumping in Aleida's entry right now (28Aug07)
* liferaft: take VHF handheld, extra water, search light
Note that if we use VHF as routine deck monitoring,
battery charge probably depleted before an emergency
TODO: check what is capacity of liferaft
TODO: list what provisions are in liferaft
* thru-hull plugs: p/o hull (stored ???___), bung-hammer (under stairs)
thru-hull valve handle wrench (pipe) (under stairs)
* manual bilge pump: permanently installed and connected to a thru-hull
* standing rigging: shroud-cutters, hacksaw (stored under stairs)
* GPS: batteries for portable op (4 x AA)
* searchlight: batteries for portable (4 x D)
* flashlights: * black "keen" light (8 * AA)
* others: [TODO: decide on standard equip + define]
6 OPERATIONAL EQUIPMENT
e.g. hand-held compass, binoculars,
searchlight (battery powered and/or ship's 12V powered),
flashlights,
navigational tools
7 DOCUMENTATION and REFERENCES
* Nevermore registrations (MA and Boston)
* Dinghy registration (MA)
* SeaTow policy, calling card mounted
* Nevermore installation/maintenance documents
* engine manuals (how many? what are their titles)
* operation booklets: (list equipment, or reference
their sections where defined above)
* miscellaneous systems (in no-order in some kind of folder)
* PHRF-NE rating document
* what reference material must we have?
* current Eldridge?
* pump-out station contacts
* any specific charts?
* some nav rules * shipspotter lights?
* cruising services ref?
* phone-numbers of Franny Charles, Sailing Pav
* Insurance Co (don't need, contact Franny/_who_ for any trouble)
("who" above is name/number of other coach(es))
8 MARINE SUPPLIES and SERVICES
(Aleida had Winthrop-oriented marine and auto stores)
* West Marine: Woburn Wash. St. at 128, 781-933-3290;
Dedham Allied Dr. at 128; Braintree
* Boxell's Chandlery: South Boston, Dorchester Ave & B-Street,
Red Line Broadway stop
