I use world anchors allot and when I tryed to craft one I couldn't I could only craft a dimensional anchor, and I still can only have three. ~Russian Herobrine forever~ <object class="emojione" data="https://resources.enjin.com/1489581540/themes/core/images/emojione/svg/1f600.svg?0" type="image/svg+xml" standby=":d">:d</object>

Because they create an enormous amount of lag. Check out this post:

http://www.minetown.net/forum/m/672632/viewthread/4200188-tekkit-recent-news-changes-poll-about-dimensional-anchors/post/24009686#p24009686