Page 221 - The Ashley Book of Knots
P. 221

THE ASHLEY  BOOK  OF  KNOTS










                                                                                                                                                                                                                                        1167.  The MASTHEAD or JURY MAST KNOT is generally to be found



                                                                                                                                                                                                                               among the ·'fancy knots." This is because it is decorative, and it may




                                                                                                                                                                                                                               also be because the occasion for its practical use is fortunately seldom




                                                                                                                                                                                                                               encountered.




                                                                                                                                                                                                                                       The original purpose of the knot is to place a strap around a tem-



                                                                                                                                                                                                                               porary masthead  to  which stays can be  made  fast.  The knot binds




                                                                                                                                                                                                                               well and  provides several loops to which the stays are  secured with




                                                                                                                                                                                                                               BECKET  HITCHES.  If possible  cleats should be  nailed below the knot.




                                                                                                                                                                                                                               It has also been called a "PITCHER KNOT."




                                                                                                                                                                                                                                        Ashore  it  is  employed  practically  at the  head  of a  derrick  pole.



                                                                                                                                                                                                                               It has  frequently  been  recommended  as  a  means  of  lugging  shot




                                                                                                                                                                                                                                about ship, but I  have  never seen this  purpose mentioned  by a nau-




                                                                                                                                                                                                                               tical authority and the usual means for transporting shot was a heavy




                                                                                                                                                                                                                               "CABBAGE NET"  (?S!3792).



                                                                                                                                                                                                                                        The common MASTHEAD  KNOT,  which is  the one pictured here,  is




                                                                                                                                                                                                                                commenced with three overlapping hitches. The inner bights of the




                                                                                                                                                                                                                                two outer hitches are led in regular sequence  over and under to the




                                                                                                                                                                                                                                opposite sides of the knot, while the upper bight of the center hitch




                                                                                                                                                                                                                                is  merely  extended.  The  teeth  are  sometimes  used  for  the  latter

                                                                                                                                                                   ,  I  66

                                                                                                                                                                                                                                purpose.



                                                                                                                                                                                                                                        When the knot is  put to use  the ends may be employed for  addi.




                                                                                                                                                                                                                                tional staying or they may be seized to the side  loops after the knot




                                                                                                                                                                                                                                is drawn taut.






                                                                                                                                                                                                                                         1168.  A  second method is  commenced by laying  down a  SINGLE



                                                                                                                                                                                                                                HITCH,  followed  by a round turn, and then a second hitch, the first




                                                                                                                                                                                                                                hitch being at the left of the knot.




                                                                                                                                                                                                                                        It is  possible, of course, to tie any knot reversely  (except one that




                                                                                                                                                                                                                                is  dependent on the lay of the strands or rope)  but for  purposes of



                                                                                                                                                                                                                                practice it is  simpler for the reader to disregard that possibility and




                                                                                                                                                                                                                                to tie the knots as they are described.




                                                                                                                                                                                                                                         This particular knot is  less  complicated than  ?S!  II67,  at the  point




                                                                                                                                                                                                                                where the ends depart from the knot. Here they may be reef knotted




                                                                                                                                                                                                                                 together,  to  which  treatment the  former  knot  does  not  lend  itself



                                                                                                                                                                                                                                 readily.






                                                                                                                                                                                                                                         1169.  A  third  method  of tying  the  JURY  MAST  KNOT  is  started




                                                                                                                                                                                                                                 with three round turns. The bights are woven in  regular over-and-




                                                                                                                                                                                                                                 under sequence as  already described, and as  indicated by the arrows




                                                                                                                                                                                                                                 in this diagram.  After this the center loop or turn is  extended.  ·1 he



                                                                                                                                                                                                                                 ends may be seized to the stays after the knot is in place, or they may




                                                                                                                                                                                                                                 be used for additional staying.




                                                                                                                                                                                                                                         The sketch  at the  left  shows  the  knot  in  place  at the  masthead




                                                                                                                                                                                                                                 ready  for  the  addition  of  stays.  Notice  that  wooden  cheeks  have



                                                                                                                                                                                                                                 been nailed to the mast to prevent slipping. There may be some pro-




                                                                                                                                                                                                                                 tuberance  already  on the  jury mast that will  serve  the  purpose. If




                                                                                                                                                                                                                                 nothing is  found  an attempt to provide something should be made,




                                                                                                                                                                                                                                 or else  a  slight groove  can be whittled,  rasped  or chopped  around




                                                                                                                                                                                                                                 the spar.  Only if it is  absolutely necessary should the  knot be used


                                                                                                                                 1170                                                                                            unsupported, in which case  KNOT  ?S!  I  167  may have the firmer grip.





                                                                                                                                                                                                                                 If nothing else offers, parcel the mast with rubber or canvas.






                                                                                                                                                                                                                                          1170.  A  FRENCH  MASTHEAD  KNOT  which  has  but  two  loops  is




                                                                                                                                                                                                                                 shown by Challamel  (Paris,  189 I). By using the legs of the knot to




                                                                                                                                                                                                                                 secure the headstay, with the two loops for the backstays, there will



                                                                                                                                                                                                                                 be three leads, which is the number usually required. All stays should




                                                                                                                                                                                                                                  be secured to the loops with BECKET HITCHES  (?S! 1900).























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