Page 479 - The Ashley Book of Knots
P. 479

THE  ASHLEY  BOOK  OF  KNOTS









                                                                                                                                                                                                                                           2861.  The earliest form of grommet is a short piece of rope in th ..




                                                                                                                                                                                                                                  shape of a circle with the two ends short spliced together.  One half




                                                                                                                                                                                                                                   a turn from the lay of the rope is  removed before crotching. These





                                                           2~61                                                                                                                                                                    were  the  first  mast  hoops  and  also  the  first  jib  hanks.  Block  straps


                                                                                                                                                                                                                                   are sometimes still made in thili way.






                                                                                                                                               286'2.                                                                                      2862.  A  grommet of two leads  and  three  bights may  be capsized




                                                                                                                                                                                                                                   into a grommet of three leads and two bights.





                                                                                                                                                                                                                                           2863.  A TRUE-LoVER'S  KNOT,  consisting of two interlocked OVER-




                                                                                                                                                                                                                                   HAND  KNOTS,  when drawn together and a single tuck added, becomes




                                                                                                                                                                                                                                   a THREE-LEAD, FOUR-BIGHT GROMMET.





                                                                                                                                                                                                                                           2864, 2865.  The COMMON  GROMMET is  made with a single strand




                                                                                                                                                                                                                                   in two ways. After completing two circles with any wanted number




                                                                                                                                                                                                                                   of loose  turns,  start the  third  circuit  either  as  * 2864  or as  * 2865,




                                                                                                                                                                                                                                   and continue to lay the strands parallel. The ends are finished  off as




                                                                                                                                                                                                                                   in  a  LONG  SPLICE.  These  two  starts  make  all  possible  grommets  of
                                                                                                                  2863

                                                                                                                                                                                                                                   three  leads.  A  gromIPet  in  Manila  is  tied  preferably  with  a  single.




                                                                                                                                                                                                                                  strand  of four-strand  rope.  In  tarred  hemp,  grommets  are  made  of




                                                                                                                                                                                                                                  small  stuff,  the  full  size.  EYELET  HOLE  GROMMETS  in  sails  are  of




                                                                                                                                                                                                                                   marline or small wire. The length of strand required for a  grommet




                                                                                                                                                                                                                                   is  three  times  the  circumference of the  grommet  plus  six  times  the



                                                  2864                                                                                                                                                                             round of the rope.




                                                                                                                                                                                                                                            Grommets  of ROUND  SINNET  are  shown  as  TURK'S-HEADS  * 1382





                                                                                                                     2.665                                                                                                         and * I  384.





                                                                                                                                                                                                                                           2866.  To make a WIRE ROPE  GROMMH:  Nail five  small blocks of



                                                                                                                                                                                                                                   wood  to  the  top  of a  workbench,  with two  projecting nails  in  the




                                                                                                                                                                                                                                   upper and wider block, and a screw eye in each of the others. Bend




                                                                                                                                                                                                                                   a full-size  piece of wire rope into your frame for a clue so  that each




                                                                                                                                                                                                                                   nail  holds  one of the  two  ends,  which  are  separated  several  inches.



                                                                                                                                                                                                                                   Turn the screw eyes to hold the rope in place.




                                                                                                                                                                                                                                           Take a single strand of wire rope twenty-two times  the  diameter




                                                                                                                                                                                                                                   of the proposed grommet. Lift a strand from the end of the clue rope




                                                                                                                                                                                                                                   in the frame and seize in its stead the center of the single long strand.




                                                                                                                                                                                                                                   Continue to layout the end that was lifted and lay in the iong strand

                                                                                                                   286&

                                                                                                                                                                                                                                   in its place.  Keep the screw eyes turned so  that the strands will not




                                                                                                                                                                                                                                   spring out.  Keep all  ends stopped with marline. When the working



                                                                                                                                                                                                                                   strand is  to be led  across  the gap  between the  two ends, it nmst be




                                                                                                                                                                                                                                   laid in beside its own first-laid section, on whichever side is the easier.




                                                                                                                                                                                                                                   If the  ends  are  not  exactly  opposite  they  can  be  untwisted  a  little




                                                                                                                                                                                                                                   with a pair of pliers, but they cannot be twisted tighter. If necessary,




                                                                                                                                                                                                                                   change the size of the grommet slightly.



                                                                                                                                                                                                                                           When one end of the single strand is  exhausted, use the other end.




                                                                                                                                                                                                                                   When  the  six  full  rounds  of  the  grommet  are  completed,  hammer




                                                                                                                                                                                                                                   lightly  with  a  mallet,  then  lay  the  ends  into the  core  as  described




                                                                                                                                                                                                                                   for LONG SPLICE * 27 18.





                                                                                                                                                                                                                                           2867.  A  CABLE  GROMME1:  Take  a  piece  of  tarred  halibut  line




                                                                                                                                                                                                                                   fourteen  times  the circumference wanted for  the  grommet.  Middle




                                                                                                                                                                                                                                   the  cord  and  make  one  complete  turn  at  the  center,  imparting  no




                                                                                                                                                                                                                                   extra  twist.  Then  half  knot  the  ends  with the  lay  and  proceed  to




                                                                                                                                                                                                                                   make  a  very  loose  ordinary  grommet  of  three  circuits  (*2864).



                                                                                                                                                                                                                                   When,  after  three  rounds,  the  two ends  meet,  half  knot  them  in a




                                                                                                                                                                                                                                   direction  opposite  to  the  lay  and  with  one  end  continue  to  helix




                                                                                                                                                                                                                                   around the other end of the single oord. Follow the single cord three




                                                                                                                                                                                                                                   full times around the circuit and then place one end beside the other




                                                                                                                                                                                                                                   and follow  three more circuits between the two strands that are al·




                                                                                                                                                                                                                                  ready in place. Knot the ends and bury them well.










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