Irvine’s Equipment List
by George Irvine
–DRYSUIT – CUSTOM OR “CAVE CUT” DUI TLS 350, NORMAL FEET, VELCRO BELLOWS POCKET ON THE LEFT, VELCRO UTILITY POCKET ON THE RIGHT, APEX DUMP VALVE (OLD STYLE) ON THE RIGHT SHOULDER, SI-TEK HOODED INTAKE VALVE CENTER CHEST EITHER FIXED STRAIGHT DOWN OR SWIVEL, LATEX SEALS, P-VALVE, THINSULATE UNDERGARMENT – USUALLY C-4
      –HOOD – AQUATIC WETSUITS – CUSTOM – COMMERCIAL GRADE  NITROGEN BLOWN
      NEOPRENE 1/4 INCH
–GLOVES – FOR COLD WATER – HARVEY’S NEOPRENE
      ** I do not use gaiters, ankle weights, or anything else, but  Halcyon
      has good gaiters if you need them
–FINS – SCUBA PRO EXTRA LARGE JET WITH SPRINGS FOR STRAPS
–MASK – TUSA. others use Scuba Pro.
      –BACKUP MASK – same as mask , clipped off in pocket, unless  you can find
      a free diving mask, which is what I use.
      –MANIFOLD – 300 BAR DIN HALCYON, SEA ELITE OR EXACT REPLICA  WITH THE CORRECT SIZE
      CENTER ISOLATOR PIECE. REPLACE DISKS WITH PLUGS OR 1/16 SHIMS.  SOFT
      PLASTIC OR RUBBER KNOBS WITH SOLID METAL INSERTS, SCREWS LEFT LOSE  SO
      THEY CAN ROCK, CENTER PIECE LEFT LOSE SO IT CAN SPIN.
–BANDS – HIGHLAND MILL WORKS OR EQUIVALENT
      –TANKS- PRESSED STEEL LP’S, OR FABER ( MUST ADD WEIGHT OR  USE STEEL
      BACK PLATE FOR THE FABER) AT LEAST 16.5 LITER FOR CAVE. AL 80’S FOR  OCEAN
      WITH WETSUIT. TANKS HAVE NOTHING BUT YOUR NAME ON THEM.
      –ARGON BOTTLE – 15 CU FT 2015 PSI LUXFER MOUNTED WITH  HALCYON VELCRO
      STRAPS ON THE LEFT TANK. FOR WRECK, SMALL ARGON BOTTLE MOUNTED ON  THE
      LEFT WAIST WITH BELT LOOP SLID OVER THE D RING ALL THE AY BACK AND  HELD
      TO THE BACK PLATE WITH A BUNGEE LOOP.
      –WINGS – HALCYON “55#” , WHICH ARE REALLY ABOUT 40 . HALCYON  “38#” FOR AL
      80’S.
      –BACK PLATE – HALCYON ALUMINUM FOR PRESSED STEEL AND  ALUMINUM 80’S,
      HALCYON STEEL FOR FABERS. THE HARNESS COMES WITH THIS ALREADY  RIGGED
      DIR OR SEE THE HARNESS PHOTOS ON THIS WEBSITE.
      –BACKUP LIGHTS – EE (HALCYON) 3 C CELL TWIST ON. HUNG ON THE  HARNESS CHEST D RINGS
      WITH A SMALL SS BOLT SNAP WHICH IS TIED ON WITH CAVE LINE
      –KNIFE OR CUTTER – ON THE WAIST LEFT OF CENTER IN A HALCYON  HOLDER – NO
      RESTRAINTS – MUST BE FREE. YOU CAN ADD A BACKUP KNIFE TO THE  GOODMAN HANDLE ON THE LIGHT. ADD SHEARS IN THE POCKET FOR WRECK  DIVING
–COMPASS – SUUNTO REVERSE BEZEL ON LEFT WRIST, BUNGEE MOUNTED
–TIMER – UWATEC OR WHATEVER IS NOW AVAILABLE, LIKE SUUNTO VYPER USED IN GAUGE MODE
      –REGS – BACK – I USE APEKS NON SWIVEL FIRSTS ( “FLATHEAD 6”  PREFERRED) SET AT 120 PSI INTERMEDIATE
      PRESSURE WITH THE APEKS ADJUSTABLE BACKUP AND THE APEKS ADJUSTABLE  PRIMARY. THE PRIMARY IS UPSIDE DOWN SO WILL NOT FREE FLOW WHEN  PARKED, THE BACKUP IS DETUNED AND HELD CLOSE TO THE NECK BY ITS  STRAP – SEE PHOTOS. SEE THE WEB PAGES FOR HOSE ROUTING. FOR THIS  KID OF REG, THE LENGTHS NEED TO BE 24 FOR INFLATOR, 26 FOR BACKUP,  24 FOR HP , AND 7 FEET FOR PRIMARY.
–STAGES – LUXFER AL 80’S – SEE PHOTOS FOR PROPER RIGGING
–STAGE REGS – APEKS , OCEANIC OR SCUBA PRO. G-250 SECOND IS NICE FOR LONG DECMOPRSSIONS, APEKS AND OCEANIC ARE NICE FOR NOT FREEFLOWING AT DEPTH.
–PRIMARY LIGHT – EE (HALCYON) – SEE THEIR SELECTION.
