With a great big Thank You to Mike, WN2A, below is an analysis of the N6QW Delta Loop whose existence was born out of necessity.
Mike used an Antenna Simulation Software program (4nec2), and my conclusion is that this antenna IS better than a dummy load or a piece of random wire spread out on the garage floor. YMMV!
In a round of several email exchange's Mike, made clear this antenna will not replace a 3-element wide-spaced beam at 90 feet over a perfect ground, located on a 1000-foot-high hill with no obstructions over a 360-degree azimuth. So, at this point don't start disassembly of your current antenna.
Its polarization is not purely horizontal nor vertical and depends. When WN2A mentioned this factor, I realized I had not mentioned that the whole shooting match does have an outward tilt of the lower half to fit the postage sized lot. So indeed, both horizontal and vertical.
A notable item is the VSWR plot that shows on 40M and 15M the match is close enough that you likely would not need a tuner for these bands. That said, as Mike points out, with a tuner it could be used on other bands. Noteworthy, when I was a Novice signing KN3IXU (western PA) my trusty 40M dipole worked well on 15M CW. This is a well-known fact for 40M dipoles operating on 15M.
This is not intended as a build project but rather is furnishing and supplanting data that might be useful for comparisons to other antennas you might entertain.
Thanks Mike! While the AI analysis sort of skipped over many of the fine details and information that Mike presented, there is not a huge chasm of discordant information between AI and the 4nec2 program.
Them that know can make things go.
One big advantage of my specific arrangement is only one single support is required which makes installation a lot easier. The mast which is installed on a bank at the end of my property is a heavy-duty telescoping 10 Meter fiberglass pole from DX Engineering.
I bought the 10M pole 13 years ago when we moved back to California and it was about $100. I am resisting at looking at today's price of that pole for fear of succumbing to death from Sticker Shock. I couldn't resist and did look on the DX Engineering website and couldn't even find it in their catalog. Is that another piece of information that hams no longer build antennas?
73's
Pete N6QW