Thanks!
Luckily, I’m not one of the insane woke lefties in the world - so I dont get offended and harmed (lefties love to claim harm - its one of their favourite words). But, I would respond that I try to be relevant (not irrelevant).
I tend to raise the subject of chirality when examining the various knot phenotypes that exist - eg when counting the number of possible corresponding ‘eye knots’ that can be associated with a parent ‘bend’. And also the fact that Ashley himself tends to be biased to illustrating knots with ‘Z’ (right handed) chirality. Almost all of the ‘Bowlines’ illustrated in his book have ‘Z’ chirality. The obvious question for me is; “Why?”
By my reckoning --doing what
I ask in this thread and not ignoring it w/keystrokes–,
there are a dozen unique cases.
I love keystrokes 
Doing what you “ask” is somewhat unclear - I note that I am thus far the only person to engage with you. Either other people are also unclear of exactly what you expect - or they are fearful of personal insults / ad hominems?
I’ll try to ‘steel man’ your argument:
Your focus appears to be on ‘Hawser lay’ ropes (not modern ‘Kernmantel’ construction fibre ropes).
You want to draw up a table to define an array of concordant versus discordant and S + Z chirality knots tied in Hawser lay rope.
The intent being to determine the effect of chirality has relative to the lay of the rope (ie Hawser lay rope). I presume the word ‘effect’ is implied to mean knot MBS (strength)?
Okay - did I steel man your argument correctly?
If yes - I did declare in good faith that you would be hard pressed to find any large historical data sets showing the effect of chirality on hand tied knots in Hawser lay rope. It appears to me that the first notable attempts to bring chirality to the forefront of thinking was likely by Harry Asher in the 1980’s?
And specifically, he wrote a piece in Knotting Matters issue #5 (1983)
Link: http://www.thedump.scoutscan.com/dumpextras/othermags/Other%20Assorted/IGKT/KM5.pdf
Although not exactly in line with what you seek - in KM #3 Asher sets out a table to identify possible combinations of ‘bends’ created by linked simple overhand knots (eg Riggers bend). I personally find his system to be flawed and indeed his code for the Riggers bend ‘assumes’ only one chiral orientation?
His code notation for the Riggers bend is: RAS DC DR (assumes Z chirality).
Also, his table appears to miss other possible combinations such as the image I have attached with this post (see below). It is an inverted Riggers bend (ZZ chirality). I am of the view that in a Hawser lay rope, the chirality of an inverted Riggers bend will not have a statistically significant effect on MBS (strength).
Note: The corresponding Inverted Riggers eye knot will also likely be unaffected by chiral orientation in Hawser lay ropes (see image below).
I would like to draw your attention to a youtube video created by Dave Searle (climber) - where he appears to have no concept of ‘concordant’ versus ‘discordant’ Double Fishermans bend.
Link to video: https://www.youtube.com/watch?v=ykzmVwFrVLM&t=1324s
Go to time lines:
4:49
20:50
22:04
Where he shows discordant Double Fishermans bends (and Triple Fishermans bend). In fairness to Dave, I hold the view that there will be no statistically significant difference on knot MBS in either chiral form. What it does show is that allegedly experienced climbers appear to have no concept of concordance (and by inference, chirality).
To what degree these different cases matter is a separate issue
–which one would think a person so focused (at least nominally)
on chirality would insist be put to test
Hmm, another ad hominem?
It might matter… but as I had previously pointed out, my focus isn’t on Hawser lay ropes. The chiral form of a knot does interest me - just not in Hawser lay ropes!
Q. Would I (Mark Gommers) be interested in properly designed tests to examine the response to load between a concordant v discordant Double Fishermans bend?
A. Yes - I would be interested.
I’ll make a prediction… No significant difference in MBS will be measured. However, we might see differences in jamming threshold, and stability.
I don’t think we would see any security issues.
And in closing, is there any reason in principle why you couldn’t run your own series of load tests?
Images (below):
I am of the view that the chiral orientation of the Inverted Riggers Bend and corresponding eye knot will not be affected in Hawser lay rope - and this includes the chiral orientation of the ‘lay’ of the rope..
