Page 216 - The Complete Rigger’s Apprentice
P. 216

Figure 6-30. Tuck #4 under the same strand you lifted
                                                          to roll the heart in. Tuck #5 under the next strand to
                                                          the right. The splice should now look as shown.


                                                         Back to Roll-and-Tuck
                                                         With the two hearts beating as one, you may pro-
                                                         ceed. Enter the spike under the same strand that
                                                         you lifted for rolling in the heart. Roll down one
             Figure 6-29. Enter the spike into the space #6 went   revolution, tuck in strand #4, and roll home. Enter
             into, but under only one strand. This strand is imme-  under the next strand to the right, tuck in #5, the
             diately to the right of the one that #3 is under. Roll   last untucked strand, and roll home. A light tapping
             the spike as far home as it will go easily—and then   with the mallet will ensure that these two strands
             a little more (A). Pull the unlaid heart down into the   are seated well. The splice thus far should look like
             space thus formed; then roll the spike back down the   that in Figure 6-30.
             wire (B), pushing this extra heart into the middle of   Return now to the mysterious strand #6. Enter
             the standing part as you go.                the spike under the next strand to the right and pre-
                                                         pare to tuck. Ready? Wait.
             that it is behind the spike. Keep pulling while roll-
             ing the spike toward you so the heart will be pushed  Breaking the Lay
             into the middle of the standing part. Keep the heart  The strands you’ve tucked so far have entered almost
             behind the spike, keep the spike parallel with the  straight into the wire. But from now on, they’ll each
             lay, and use as little spike as possible. After being  describe a tight spiral down the length of the splice.
             rolled in, the heart will show a little, but a hernia  If you allow the strands to keep a round cross sec-
             (which happens when the heart completely pro-  tion the splice will be bulkier than if they were flat in
             trudes from the standing part) will not do—there’s  cross section. The yarns will also grip better if they
             too much distortion. If a hernia results, you prob-  are flatter. And since a splice relies on even distribu-
             ably have too much tension on the standing part  tion of strain, you need to flatten the strands into a
             and/or too much spike.                      ribbon shape by “breaking the lay.”

                                                                                                      195
   211   212   213   214   215   216   217   218   219   220   221