Thanks to Chad for asking about seasonal tightening of trellis wire, we get deep into cable loads.  This leads into a broader discussion of what else you can be doing during the non-growing season (there is no “off-season”, just a non-growing season). There’s No Relaxing in Hop Growing! 

For the heavy math involved there are some great online calculators:
Engineering Toolbox
FAQ at Loos
Then of course we digress into grumpy old man complaints about beer styles, because hey, it’s us.