X-Dimension systems

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This is an exhaustive list of X-Dimension's various subsystems.

Specifications

Bottom in 2009

Specifications provided by David Collins: 

Length Over All (LOA):  43.4 ft
Waterline Length:       35.9 ft
Maximum Beam:           13.0 ft
Draft:                  7.75 ft (7 ft 9 in) 
                        (Note: original draft was 7.50 ft 
                         but keel was modified by original owner)
Displacement:           22,000 lbs
PHRF/NE Rating:         72 base; 
                        as sailed 2011: 87 racing, 90 cruising
Powerplant:             Perkins 4-108 50hp (new in 1989)
Mast and rig:           Sparcraft tapered 2-spreader /
                            discontinuous rod (new in 2007)
Fuel Capacity:          40 gal
Water Capacity:         80 gal
X Dimension Boat Plan

C&C Custom 43 specifications, but actual dimensions may differ. For example, mast was replaced in 2007 and keel was modified by previous owner, Blair Vedder. The values below should not be used without independent verification. 

   Hull Type: Fin Keel           
    Rig Type: Masthead Sloop
         LOA: 43.33' / 13.21m    
         LWL: 35.00' / 10.67m
        Beam: 12.83' / 3.91m      
   Listed SA: 901 ft2 / 83.7 m2
       Draft: 7.00' / 2.34 m	 
Displacement: 21314 lbs./ 9668 kgs.  
     Ballast: 9980 lbs. / 4527 kgs.
    Designer: Cuthbertson & Cassian
     Builder: C&C Yachts (CAN)
  Construct.: FG 	 
 First Built: 1971
  Last Built:
     # Built:
RIG DIMENSIONS
  I: 56.00' / 17.07m    J: 18.80' / 5.73m
  P: 50.00' / 15.24m    E: 15.00' / 4.57m
 PY:                   EY: 	 
SPL:                  ISP: 	 
SA(Fore): 526.40 ft2 / 48.90 m2
SA(Main): 375.00 ft2 / 34.84 m2
Total SA: 901.40 ft2 / 83.74 m2
 SA/Disp: 18.83
Est. Forestay Len.: 59.07' / 18.00m

Rigging

Standing Rigging

Mast

  • Total length of mast: 63' 11.5"
  • Height of mast above deck: 57' 0.5"
  • Height of lower spreader above deck: 22' 0.5"
  • Height of upper spreader above deck: 41' 2.75"
  • Height of foredeck light above deck: 25'
  • Distance from base of mast to deck: 6' 11"
  • Distance from base of mast to foredeck light: 31' 11"

Backstay Adjuster

Sailtec Integral Backstay Adjuster (Model 10SI), brochure on web (no operating instructions)

When sailing upwind, the backstay should be adjusted so that the piston is approximately 2 inches from the white gauge on the shaft (2" minimum). Cross check the headstay sag. In moderate winds, the headstay should have very little sag.

Headsail Roller Furling System

Harken Mark III (Unit Size 2)

Owners Manual can be found at [1]

Sails Kept on the Boat

General: The [Owners "Helpful Hints"] has various advice in the pages 4-5 "Sail Control" section.

Mainsail

Lazy Jack Installation Manual (no title) for the E-Z-JAX mainsail furling system. Page 4 of this manual gives operating instructions; the rest of the manual is e.g. parts identification and installation instructions.

The mainsail is normally kept furled on the boom with a sail cover.

Headsails

The #3 Genoa (approximately 135%) is normally kept on the roller furler.

The #1 Genoa is a carbon-reinforced racing sail that is normally kept in the forward v-berth and used for racing.

Spinnaker

The Asymmetric Spinnaker is normally kept in a spinnaker bag in the forward v-berth. It is equipped with a snuffer.

Note: Spinnaker pole storage on toe-rail requires periodic checking even on sails not using spinnaker, because of its current (Sep 2011) shortened length (see Ongoing Problems list.)

Current Inventory of Sails at the Pavilion (as of 02/09/2012)

Mainsails

Working mainsail (tied with sail ties, but not in a sail bag)

Old mainsail (in blue North Sails bag)

Jibs and Genoas

Genoa #1 (a carbon-reinforced racing sail, tied with sail ties but not in a sail bag)

Genoa #2 (in brown Sperry Sails bag labeled "new #3 Genoa") (note: This is an estimate based on the fact that the #3 Genoa is normally kept on the furler and accounted for below).

Genoa #3 (tied with sail ties, but not in a sail bag)

Storm Jib (in white sail bag with faded lettering)

Asymmetric Spinnaker

Working Asymmetric Spinnaker (in blue spinnaker bag, equipped with a snuffer)

Symmetric Spinnakers

0.5 oz Tri Radial Symmetric Spinnaker (in North Sails blue bag dated 1979)

0.75 oz Symmetric Spinnaker (in North Sails blue bag)

0.75 oz Symmetric Spinnaker (in yellow UK Sailmakers bag)

1.5 oz Star Cut Symmetric Spinnaker (in yellow sail bag)

1.5 oz Tri Radial Symmetric Spinnaker (in blue sail bag)

Deck

Winches

X Dimension Winches

When delivered to MIT in August 2011, X-Dimension sported 16 winches. After winter refurbishment January 2012, X-Dimension has 14 winches. 

fore mast port (#1) - Barient 22
fore mast stbd (#2) - Barient 20
mast port (#3) - Barient 28
boom (#4) - Barient 10H
aft mast port (#5) - Barient 22
aft mast stbd (#6) - Barient 22
companionway port (#7) - Barient 22
companionway stbd (#8) - Meissner 27
traveler port (#9) - Barient 10P
traveler stbd (#10) - Barient 10
fore cockpit port (#11) - Barient 32
fore cockpit stbd (#12) - Barient 32
aft cockpit port (#13) - Barient 35
aft cockpit stbd (#14) - Barient 35

Companionway Hatch Removal

  • Remove Forward Hatch Stop by removing three wood screws on the ceiling of the coach roof just forward of the companionway opening. Slide the stop out between the hatch and the coaming.
  • Remove the wood screws holding the hatch rails to the hatch. All screws except the furthest forward screws will be accessible. Once these are removed, the rails may be rotated outboard and the hatch slid aft to access the last two screws. Remove the hatch.

Traveler

The traveler is built of Harken "big boat" and HL (high load). The purchase is 4:1.

  • track: 5 foot long Harken 32mm
  • end controls: Harken 5170 with cam cleat
  • car: Harken T3242B.HL

Machinery

Power Train

The "Engine & Drive" section, pp. 5-6, of the previous owner's "Useful Info" has some data about the power train and how to operate it.

The Perkins engine SHOP and PARTS manuals are available electronically as listed in the "documents list".

Engine

  • Perkins 4-108 diesel (4-cyl, 50-hp), new to X-Dimension in 1989
  • Serial # ED70058U630095P (mfg 1987)
    (ED=4.108; 70058=parts list Nr; U=mfg UK; 630095=engine S/N; P=1987)

These Perkins manuals may be helpful:

Transmission

Coupler

  • Bolts in coupler were replaced May 2012

Stuffing Box

  • Nearly no leakage from stuffing box as of Nov 2011
  • Stuffing box adjusted Jun 2012 to allow slow drip during operation

Cutlass Bearing

  • Less than 1/32" play in cutlass bearing as of May 2012

Propeller

  • Max-Prop feathering 2-blade propeller, 17-inch

Muffler

  • Vernalift (unidentified model & mfgr) Thomasville, GA

Fuel System

  • Emergency fuel cut-off: TBD
  • Filler deck fixture located port toe rail
  • Filler filtering: none
  • Primary fuel filter / water separator : on stbd lazarette bulkhead; Racor 500 FG S/S
  • Fuel inlet screen: TBD
  • Primary fuel lift pump: TBD
  • Fuel Tank:
    • Capacity: 40-gal, giving approx 288 miles @ 2000 RPM using 0.9 gal/hour at 6.5 kt
    • Material/when Installed/Replaced: TBD
  • Fuel gauges:
    • There is a mechanical fuel gauge located under the port main saloon bunk cushion. It is quite accurate when the boat is level.
    • The electrical fuel gauge(s) are not operative as of May 2012.

Fluids and Filters

  • oil filter: WIX 51305 / NAPA 1305 / FRAM CH836PL
located aft end of engine, replaced 11jun12
  • fuel filter: Racor 500FG S/S
located in starboard lazarette, replaced 07jun12
  • fuel filter: WIX 33166 / FRAM C1191A / NAPA 3195
located starboard aft end of engine, replaced ?
  • raw water filter: metal strainer
located in starboard lazarette, cleaned 11jun12
  • raw water impeller: jabsco
located port foreward end of engine, replaced 11jun12
  • oil: ?
 ? quarts required
  • coolant: ?
 ? gallons required

Steering

Helm

  • The steering wheel is trapped by the fiberglass cover in the center of the cockpit. Remove this cover to remove the steering wheel.
  • The emergency tiller is a long steel bar inserted into a square hole beneath an inspection portal in the fiberglass cover aft of the helm. The tiller is kept in the starboard lazarette.

Rudder

  • When hauled in Nov 2011, the rudder was saturated with water. 4 holes were drilled to drain it over the winter, then plugged in May 2012.
  • The rudder was pulled Dec 2011 and the shaft repacked. Prior to this time there was a steady trickle of water entering the boat from the rudder post.

Thru-Hulls

As delivered to MIT in August 2011, X-Dimension had 11 thru-hulls.
After Winter 2011/2012 refurb, the thru-hulls are:


  • port v-berth 1.5" - blackwater out
  • port forward of keel 1" - greywater out
  • port mid-keel 0.75" - toilet in
  • stbd mid-keel 0.75" - galley seawater
  • port mid-keel 2" - speed impeller
  • stbd mid-keel 2" - depth transceiver (epoxied in place)
  • stbd aft of keel 1.5" - galley greywater out
  • stbd mid cockpit 1" - engine in
  • stbd cockpit 1.5" - scuppers
  • port cockpit 1.5" - scuppers
  • port cockpit 1/2" at waterline - propane drain


There are two vestigial thru-hulls, one for an impeller and the other for a depth transducer. These are located just aft of the main cabin forward bulkhead, beneath the cabinets.

Bilge Pumps

There are two electric bilge pumps and two manual bilge pumps. The primary electric is a diaphram pump located in the cabinet beneath the nav station. The secondary is a submersible located in the center portion of the bilge well. Float switches for these pumps are located in the bilge well. The primary manual is located in the port bulkhead of the cockpit just forward of the helm. The secondary manual is located under the floorboards of the foul weather gear locker. It can be operated without removing the floorboards.

Individual auto-manual-off controls for each electric pump are located port of the nav station. These are energized by the always-on bilge pumps breaker in the main breaker panel.

All bilge hoses exit the boat starboard of center at the transom.

See the previous owner's Useful Info writeup, page 7, section headed "Bilge Pumps" for the previous configuration.

Primary Electric

  • Jabsco Model 34600-Series Electric Diaphragm Bilge Pump
  • Rule-a-Matic float switch

Secondary Electric

  • Rule 1500 GPH submersible bilge pump
  • Rule-a-Matic float switch

Primary Manual

  • Whale Gusher 10
  • repair kit is West Marine part # 255658 OR 135038

Secondary Manual

  • Whale
  • repair kit is

Strum Box

  • strum boxes are 1 1/2" West Marine part # 100729, Whale mfg. part # SB5865

Head

The head is a hand-operated marine toilet unit connected to a 25 gallon expanding holding tank. The output from the toilet goes into the holding tank. From the holding tank there are two hoses, one to a pump-out fitting on the deck, the other to a thru-hull under the forward cabin sink.

The forward facing panel beneath the sink in the forward cabin can be removed for access to the thru-hull valve.

The seawater in thru-hull is located port of center under the main cabin floorboards, just aft of the mast. A small mesh strainer is located inline soon after the thru-hull valve.

The toilet is Jabsco model 29090-2000 (compact bowl & seat).

Refrigerator / Ice Box

Fridge Compressor (looking forward)
Fridge Compressor (top)
Compressor rear label

The refrigerator / ice box is located beneath the galley counter and can be accessed via two hinged hatches. There is a shelf in the refrigerator compartment that will accommodate ice blocks.

The refridgerator compressor is made by Alder/Barbour. The exact model is unknown but appears similar to the ColdMachine model.

The compressor runs on the 12V house battery and is located in the starboard lazarette outboard of the house battery box. The compressor is powered by a 15A breaker on breaker panel 2 above the galley sink. A thermostat in the ice box controls operation of the compressor.

The compressor has two blade type fuses located at the outboard aft corner:

  • 15A Main
  • 5A Fans

A diagnostic LED is on the rear panel; the cadence of the LED's flashing indicates the specific problem with the compressor.

See also: File:Adlerbarbour manual.pdf Operating manual for Alder/Barbour refridgeration systems


Stove

Freshwater

Electrical

12-volt

Batteries

There are two independent sets of batteries on the boat. The "Starter" battery is used for starting the engine. The "House" batteries supply power to most of the rest of the electrical equipment onboard.

Both banks of batteries are charged by the alternator through an ARCO BI-1602 battery isolator.

Starter Battery

The Starter battery is a marine high-current AGM battery (not intended for deep cycle use). The battery is located in the port lazarette, next to the water heater, and under the propane tank. The starter battery is isolated by the Starter Battery Switch, currently located in the starboard lazarette, above the House batteries. (It is indended that this switch will be moved to the breaker panels above the galley sink some time in 2012.)

When the Starter Battery Switch is on, power is supplied to the following circuits through the "always on" 50 amp "Engine" breaker at the top of the galley breaker panels:

  • Starter button on binnacle (connected to starter solenoid)
  • HEHR voltage regulator unit
  • Engine instruments in cockpit instrument panel
  • Engine temperature sensors and oil pressure sensor

The Starter Battery Switch also sends power to the following circuit through the "always on" 10 amp "Fuel Pump" breaker.

  • Electric inline Fuel Pump located under port settee, just aft of the fuel tank.

House Batteries

The House battery bank consists of one mixed-use (intended for starting and/or deep cycle use) AGM battery. This battery is located in the starboard lazarette, just aft of a bulkhead that separates the lazarette from the main cabin. The House battery compartment is usually covered by a white wooden tray that contains winch handles.

  • Note: Prior to May 2012, two house batteries were connected in parallel. One of these two batteries was found to be unable to hold a charge, so it was removed.

The House battery bank is isolated by the House Battery Switch on the breaker panel above the galley sink. During normal operation of the boat, the House Battery Switch should be switched to the "House" position. This allows the house battery to be charged by the engine and it allows the house battery to power the various 12-volt devices through the breakers on breaker panels 1, 2, and 3.

The House battery switch should be switched to "OFF" when leaving the boat.

In an emergency, the House battery could possibly be used to start the engine by switching the House Battery Switch to "Both". This will tie the House batteries and Starter battery together in parallel. It is unknown whether or not this will cause fire or explosion. Please only try this in an emergency.

In an emergency the Starter battery could possibly be used to power 12-volt devices onboard, such as the VHF radio, by switching the House Battery Switch to "2". Please only try this in an emergency.


Circuit Breaker and Switch Panels

As of August 2012, There are four circuit breaker panels above the galley sink, and one switch panel.

  • Note: Any circuits that are not currently connected will be labeled "N/C" with blue table at the circuit breaker.


Breaker Panel 4

This is a "special" circuit breaker panel; all breakers on this panel should be left ON at all times.

# Name Amps Power Source Notes
1 BILGE PUMPS 25A House Battery Powers both bilge pumps. Bypasses the House Battery Switch
2 ENGINE 50A Starter Battery Switch Powers the starter button, the engine instruments, and the alternator regulator
3 FUEL PUMP 10A Starter Battery Switch Powers the inline electric fuel pump


Breaker Panel 1

This is a "normal" circuit breaker panel in that all of the circuits are fed by the House battery switch. Panel 1 contains the circuits that are most likely to be used most of the time during sailing trips. The breaker names and their rated amperage are listed below:

# Name Amps Notes
1 NAVIGATION LIGHTS MASTER 10A Supplies power to the Navigation Lights switch panel (see below).
2 NAVIGATION INSTRUMENTS 10A Supplies power to the Garmin GPSMap541 chartplotter, the Garmin GM10 display unit, the sonar depth sounder, and the mast wind instruments.
3 VHF RADIO 10A Supplies power to the fixed-mount VHF Radio located at the navigation station.
4 RADAR 5A Supplies power to the RADAR display unit and the RADAR antenna.
5 HORN 5A Supplies power to the horn (the button is located on the binnacle).
6 FRESH WATER PUMP 10A Supplies power to the fresh water pump. Do not turn it on if the fresh water tank is empty.


Breaker Panel 2

This is a "normal" circuit breaker panel in that all of the circuits are fed by the House battery switch. The breaker names and their rated amperage are listed below:

# Name Amps Notes
1 CABIN LIGHTS 30A Supplies power to the various cabin lights onboard.
2 FOOTLIGHTS 15A Turns on the footlights in the main cabin.
3 PROPANE ** 5A Will supply power to the propane tank solenoid valve circuit, necessary for operation of the propane stove. Note that, in addition to this circuit breaker, a switch above the stove must be turned on to activate the propane solenoid.
4 FRIDGE 15A Supplies power to the 12-volt compressor used to chill the refridgerator.
5 BILGE BLOWER 15A Turns on the bilge blower.
6 12V AUX SOCKETS ** 10A Will supply power to various 12-volt "cigarrete lighter" type sockets (when they are installed).
  • Note: Items marked ** above are non-functional as of August 5, 2012.


Breaker Panel 3

This is a "normal" circuit breaker panel in that all of the circuits are fed by the House battery switch.

  • Note: As of August 5, 2012, only two breakers are installed in this panel and none of them are operational yet.
# Name Amps Notes
1 STEREO ** 15A Will supply power to the AM/FM/CD-Player stereo system
2 AUX SIDELIGHTS ** 15A Will supply power to the auxilary sidelights in the bow. Note that there is no auxilary stern light.


Nav Lights Switch Panel

The dark grey plastic panel is a Blue Sea Systems "WeatherDeck Waterproof Fuse Panel". Most of the navigation lights on the boat are controlled through this six-position switch panel.

Power to this panel is supplied by the NAVIGATION LIGHTS MASTER circuit breaker on breaker Panel 1. Each of the six circuits is protected by an internal blade-type fuse. When power is supplied to the panel, and the corresponding fuses are not blown, then the circuit indicator labels will glow red. When the circuit is switched on, then the label will glow green. If the label does not glow, then the fuse is probably blown. Please see the instruction manual for fuse replacement.

# Name Amps Notes
1 RUNNING LIGHTS 15A Powers primary sidelights (in bow) and sternlight
2 STEAMING LIGHT 15A Powers "masthead light" halfway up the mast
3 TRI-COLOR 15A Powers the tri-color ligth at the top of the mast
4 ANCHOR LIGHT 15A Powers the anchor light at the top of the mast
5 FOREDECK LIGHT 15A Powers the foredeck light halfway up the mast
6 INSTRUMENT LIGHTS 15A Powers the compass light and the cockpit instrument panel lights

110-volt

The 110v system is inoperative as of May 2012.

  • The shore power connector has been disconnected.
  • All the 110v breakers have been removed.
  • The wiring to the 110v outlets is still in place but is disconnected at the breaker panels.
  • Three 110v outlets (non-GFCI) are located:
    • in the head
    • just forward of the stove
    • starboard locker, just forward of the mast

Note that there is an 800 watt DC-to-AC inverter on board.

Anti-Electrolysis

  • There are two zincs clamped to prompt shaft, new as of May 2012
  • There is an external zinc "guppy" that is deployed at the stern while the boat is on the mooring or at the dock.

Lightning Dissipation

  • The boat is fully grounded, with a woven copper strip connecting the mast, shrouds, and engine block.
  • The only bonding from the grounded systems to salt water is via the propeller shaft via the engine block.

Electronics

Fixed mount GPS

  • Garmin GPSMap 541 Chartplotter
  • mounted in cockpit bulkhead, port of companionway
  • antenna is located on the cockpit rail port of center aft of the helm
  • communicates with GMI 10 display, wind instruments and depth sounder via NMEA 2000 network
  • sends position data to VHF500dsc radio (one-way communication) via NMEA 0183 data connection.

Garmin GMI 10 Sailing Instrument

  • mounted in cockpit bulkhead, port of companionway
  • can display various parameters, such as depth, apparent wind speed and angle, true wind speed and direction, speed over ground, etc.
  • Communicates with GPSMap 541, wind instrument & depth sounder via NMEA 2000 network

Wind

  • Garmin GWS 10
  • senses wind speed and angle
  • communicates with GMI 10 display and GPSMap 541 via NMEA 2000 network

Depth Sounder

  • Garmin Thru-Hull Intelliducer (depth sounder)
  • located starboard of center aft of forward main cabin bulkhead inside of cabinet
  • communicates with GMI 10 display and GPSMap 541 via NMEA 2000 network

NMEA 2000 network

The NMEA 2000 network on X Dimension entirely consists of instruments, cables and connectors manufactured by Garmin. All connectors are NMEA 2000 "Micro" connectors. The network consists of a backbone that runs from the cabinet on the port side of the companionway to the top of the mast. The backbone requires a terminator at either end. The backbone also requires 12v DC power to operate; this is supplied by the yellow power cable.

The network consists of a backbone, and various "drops" that interface via "T-connectors". The drops on the network currently are:

  • Garmin GMI 10 display
  • Garmin GPSMap 541 chartplotter
  • Yellow 12v DC power cable
  • Garmin Intelliducer depth sounder
  • Garmin GWS 10 wind instrument

The GMI 10 and GPSMap 541 have their own power connections. The depth sounder and wind instruments draw power from the network.

The network cables have five conductors:

  • Red: +12v DC
  • Black: Ground
  • White: Data+
  • Blue: Data-
  • bare wire: shield


Radar

  • JRC RADAR1000 mounted display
  • installed in cubby over Nav Station table
  • antenna mounted on pole on port quarter.


Radios

Fixed VHF

VHF Marine Radio
  • West Marine VHF500dsc Fixed Mount Marine Radio
  • Receives GPS data from Garmin GPSMap 541 via NMEA 0183 connection
  • MMSI Number: 338137891
  • Operator's Manual: File:VHF500 English.pdf

Handheld VHF

West Marine VHF55 VHF Radio

AM/FM/CD Stereo

Dual MXD25

Inlcudes 1/8" auxilary audio input jack and USB charger jack on front panel.

Magnetic Compasses

  • Binnacle Compass
    • make and model: TBD
    • has not been swung (Sep11)
    • rebuilt Apr12
    • illuminated by "INST LIGHTS" switch on navigation lights switch panel
  • Starboard Bulkhead Compass
    • make and model: Plastimo "Contest" (Classe B)
    • "tactical" compass card
  • Starboard and Port Rail Compasses
    • make and model: Danforth "Corsair"
  • Nav Station Compass
    • make and model: Suunto Type B-110

Safety

Fire Extinguishers

  • hand-held: 3 ABC extinguishers purchased Sep 2011
  • fixed mount: halon tank directly beneath cockpit

PFDs

  • 4 inflating PFDs

Throwables

  • 4 throwable cushions
  • Lifesling man overboard recovery system

Harnesses, Jacklines, Tethers

  •  ? harnesses with tethers
  •  ? jacklines
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