Obelisk Circumnavigation '08

"Supposing is good, but finding out is better." -Mark Twain

A Brief History

In 1981, Falmouth Marine of Falmouth, MA contracted Skye 51 hull #32 to be built by Mao Ta Yacht Building Co. in Taiwan.  The Annapolis-based naval architects Kaufmann and Ladd designed the 51' fiberglass hull, and Falmouth Marine, Inc. sent dedicated overseers to supervise her construction. Upon completion in 1982, She was transported back to the U.S. where Falmouth Marine finished all outfitting.


 Name:  Obelisk  Designer:  Kaufman and Ladd  Built:  1982

 Model:  Skye 51'

 Hull:  Fiberglass Mao Tau Shipyard, Taiwan
Model Year:  1982  Cruise:  7.5kts  Power:  Perkins 4-236 85hp diesel
LOA:  50' 10"  Bridge Clearance:  73'  APU:  Northern Lights 643
LWL:  42' 11"  Range:  Global

 Hailing Port:  Ordinary, VA

 Beam:  14' 3"  Color:  Navy  Owner:  Jesse W. Smith

 Draft:  7.5'

 Fuel:  139gal  Last Refit:  2008
 Displacement:  44,000lbs  Water:  200gal  

Rig Specs

 I  66
 J  22
 P  60
 E  17.8
 ISP  66
 JSP  22

*All measurements are in feet

"I" - is measured along the front of mast from the genoa halyard to the main deck. The main deck is where the deck would be if there were no deckhouse.

"J" - is the base of the foretriangle measured along the deck from the headstay pin to the front of the mast.

"P" - is the luff length of the mainsail, measured along the aft face of the mast from the top of the boom to the highest point that the mainsail can be hoisted or black band.

"E" - is the foot length of the mainsail, measured along the boom from the aft face of the mast to the outermost point on the boom to which the main can be pulled or to the black band.

"ISP" - is measured from the highest spinnaker halyard to the deck.

"JSP" - is the length of the spinnaker pole or the distance from the forward end of the bowsprit (fully extended) to the front face of the mast.

Galley

         
  • Force 10 European Compact LP 2-burner stove w/oven and broiler
  • Galley-mounted gas valve solenoid shutoff
  • Newly rebuilt resh and saltwater hand pumps
  • Ample cabinet storage space

Hull

  • Hull 32 of 39
  • Hand laid fiberglass
  • Deck is fiberglass sandwich with 3/4" Airex core
  • Hull deck joint bolted on 4" centers
  • Fully fiberglassed, modified fin keel
  • 15,500lb poured iron ballast 

Electronics

  • Garmin 4008 Chartplotter
  • Garmin GSD22 Sonar
  • Garmin 18KW Radar
  • Raymarine ST6002 Autopilot control head
  • Raymarine Type III S3G Autopilot corepack
  • Raymarine Type II mechanical rotary autopilot drive unit
  • ICOM M700 Single Sideband radio with automatic tuner (backstay isolated antenna)
  • Raymarine ST60 instrumentation (Depth, speed, wind)
  • Reya Vision 4 Battery Monitor (monitors both house battery banks, genset and main engine starting batteries)
  • Fusion Electronics Stereo

Electrical

  • 12V DC
  • 3 Rolls Series 4000 136AH -- 2 banks (Batt 1 and Batts 2&3 in parallel)
  • Newmar Universal II 3 battery bank charger (60amp)
  • 110V AC shorepower (30 amp)
  • 110V 19gal hot water heater (also run via heat exchanger from engine)
  • Complete bonding

Engine

  • Perkins 4-236 85hp diesel (UK built, installed 1987, 1600hrs)
  • Morse engine controls
  • Stewart-Warner booster fuel pump
  • Borg Warner "Velvet Drive" V-drive transmission
  • Stainless steel shaft (1.5" dia.)
  • Martec eliptic 2-blade folding prop (LH: 22d x 16p3)
  • Fresh water heat exchanger for hot water tank
  • Custom dual Racor 500 MA2 fuel filters
  • 3 black iron fuel tanks (139 gal. cap.)

Mast & Rigging

  • Cutter or sloop rigged
  • Keel-stepped mast
  • Custom Hood aluminum stowaway mast
  • Hood Seafurl system
  • 316 Stainless steel standing rigging
  • Navtec c600 5/8" turnbuckles
  • Navtec hydraulic backstay adjuster
  • Various Schaefer blocks
  • Schaefer 4:1 preventer
  • Custom Dermac Tension adjuster (innerstay can be released and stowed at base of mast)

 

Sails

  • Hood  mainsail
  • North Sails 130% genoa (genny)
  • Hood staysail
  • Sperry Sails 1.5oz asymmetrical spinnaker 
  • Custom storm jib

Winches

  • 2 x Barient 36 two speed, self-tailing (Primary)
  • 2 x Barient 32 two speed, self-tailing (Secondary)
  • 4 x Barient 28 two speed, self-tailing (Mainsheet, Outhaul, Halyard)
  • 1 x Barient 28 Electric two speed, self-tailing (Foresail furling)
  • 2 x Barient 23 two speed, self-tailing (Halyard)

Ground Tackle

  • Lofrans Project 1500 windlass
  • 60lb CQR
  • 65lb Danforth High-tensile
  • Fortress FX-85
  • 85lb Luke
  • 400' 3/8" Acco G4 anchor chain
  • 150' 3/4" 3-strand nylon anchor line
  • 130' 7/8" 3-strand nylon anchor line
  • 150' 1 1/4" 3-strand nylon anchor line

  

Extras

  • Aries windvane