Again unless you were involved in the particular discussion, which I am guessing from the post above you weren’t, then you can’t be certain.
I didn't say I was certain. I said I would wager. 
Now you no doubt feel vindicated with Tamjar’s latest reported statement.

Have to wonder if both these threads should now be closed for good.
No one has bothered posting this tweet so I shall.
https://mobile.twitter.com/memcculloch/status/1141089273535434753He likes the Unruh shield. #QI is certainty well tested in space (galaxy rotation) and I'm sure it's right there. The difficulty is bringing it down to Earth, which will be difficult since my experimental expertise is limited. Hence my link to Tajmar.
Again unless you were involved in the particular discussion, which I am guessing from the post above you weren’t, then you can’t be certain.
I didn't say I was certain. I said I would wager. 
Now you no doubt feel vindicated with Tamjar’s latest reported statement.
Have to wonder if both these threads should now be closed for good.
No one has bothered posting this tweet so I shall.
https://mobile.twitter.com/memcculloch/status/1141089273535434753
He likes the Unruh shield. #QI is certainty well tested in space (galaxy rotation) and I'm sure it's right there. The difficulty is bringing it down to Earth, which will be difficult since my experimental expertise is limited. Hence my link to Tajmar.
Well, at this moment MM has put his curiosity into Dynamical Casimir Effect, and this particular effect is strong related to entanglement.
I'm curious about the inevitable mixing description of entanglement and spatial/temporal causality constraints under action of Lorentz transformations.
Answers to these questions are not forum dependent.
Have to wonder if both these threads should now be closed for good.
Much too early for that. Reports about Emdrive testing will still be popping out for quite a while. Besides, this thread can be used also for discussing Taylor's version of Emdrive, and this experiment has not begun, yet (should begin soon, though).
This now seems to have moved away from the EM drive with them to looking for alternatives to Dark Matter theory.
These are not necessarily mutually exclusive pursuits.
Interesting new information on Roger's Lunar PSV project. He has confirmed his involvement and that work is underway to build the vehicle, probably in Korea as there are several builders of fuel cell powered vehicles and Roger has recently said his PSV could be built by an automobile manufacturer. Roger does like to drop bread crumbs....
https://cargalactic.wixsite.com/luna-enterprisesNote the modes of the cavities.
As to those that believe recent EW cavity replicant failures are a definitive guide, remember Edison found many thousand of ways to not build a light bulb.

Cheesy!
Luna Enterprises
A business company re-using
NASA's 1975 modernist "worm" font from Richard Danne and Bruce Blackburn.
With a pictogram of a flying saucer, electrically polarized like Thomas Townsend-Brown's discs according to Paul LaViolette's books on
electrogravitics.
Plus a drawing of a yellow canary.
And a picture of the moon.
Toto, I have a feeling we're not in Kansas anymore.
But that's not all, folks!
Luna Enterprises is a subsidiary of
CAR Galactics, a program of
Tess space enterprises.

Defined by themselves as "storytellers".
LOL
...
Openness in science vs using proprietary as a facade for potential scams. If it works then demonstrate it.
Cheesy!
My 1st reaction as well. When Roger & I had our recent lunch discussion, he confirmed his involvement for several years, so let's see what develops.
Will be at KSC 20-21 July 2019 & will report anything of interest.
Note the modes of the cavities.
The mode is TE211. Hopefully Shawyer is using the same naming convention for the modes as NASA. If so, then this is the mode below.
The 2G EmDrive attitude thrusters may be based on the 1st attachment.
The 3G EmDrive lift thrusters seem to be based on Roger's recent patent as per the 2nd attachment.
To obtain 2G resonance in TE211 mode and at 2.45GHz, my design calc suggests:
Big dia: 240mm, radius: 219.6mm
Small dia: 120mm, radius: 109.8mm, cutoff dia: 118.9mm
Frustum height: 92mm (this is not the end plate to end plate spacing)
DF: 0.83
This generates a 1/2 guidewave spacing between the curved end plates, which generates the max number of travelling wave transits of the cavity and max number of end plate bounches.
As to those that believe recent EW cavity replicant failures are a definitive guide, remember Edison found many thousand of ways to not build a light bulb.
Most of Edison's rejects were working light bulbs; incandescent bulbs had been publicly demonstrated for decades. Edison's experiments were intended to improve the design for commercial production and to avoid other inventors' patents.
There are many thousands of ways of making an EM drive that only generates heat and no way of making one that generates actual thrust so the comparison with Edison's incandescent light research is off by 180 degrees.
Has Seeshell abandoned her work on EM drive?