Yahh you definitely need more steel but the wet saw blades are good enough to get a lay out and some spin up tests done, I have tie saws that spin up to 12 inch smooth rimed blades and even to dubble them up i still see leakage out the back with HD mags but 2 blades are enough the grab the flux on my micro wave mags. This wont be my first, but is with HD it is on a scale worth doing any real work. I sold a older large air gap 3 phase that spun microwave mags on 4 Tileamatic curb street cuter blades you see used to bury traffic control sensors at intersections and they were 26 inches with near a ton of microwave mags in pairs. I mad it to spin on a slow vwat and used it for gas production and klin and for a few years never realized at times my work bench was turned off yet the bench had power, I discovered totally by accident that my electrolyzers when left open and the wind stopped , the hydro and oxy would flow back to the cells and like a battery turned my electronic bench power supply back on ! My buddy's from NASA came to have a laugh it me and give me a education about hydrogen energy cells and calmed mine was 3 times bigger then any ones they had over here at Wallops Flight center. I even got a hydrogen powered (energy cell)watch from the base as both a joke about my oddity and also a favored contractor to the base.
The guys on the other board thought i had a wast of materials and a vwat was like bad taboo. But not a one even had a solution to the problems i always had with at 2 different times built a hwat and here on the step at the ocean and some elevation i am at, I suffered with what they local weather guys called a rotor effect. The daily wind stream would for ever keep the the windmill turning clock wise tell the power leads would bind the mill in a fixed position for days tell the winds dropped out and the mill would unwind. My only real choice was slip rings and everyone agreed with me there, in my situation on the beach was not worth the efforts. We have power poles on fire often here on the shore so you can image what this environment would do to energized slip rings and power down the tower.
I did a lot of lab ware fabrication, repair and vacuum tubing so i used hydrogen instead of costly and dirty propane i had no means to produce myself as i was able to do making my own oxygen and hydrogen from water and wild electricity harvesting. I did custom tile components and glass tile to and though the vwat could take days the kiln get to tempiture, it was free to fire it up. True the size of my genny would of started a old compressor had it be swinging a 30 foot prop hwat , with the count of the poles on such a large disk with the slow rpm from the vwat it worked out to my shop needs pretty darned will and the birds enjoyed hours on the merry go round !
Looking at your project i saw the second plate not totally populated so I was just wondering if you were still hunting more HDMs
If I remember correctly, The fellow in New Jersey was groping piles of hard drive mags to build up a larger pole surface to increase the space for the coils. I guess in a day or so i give that a try to but I suspect for my immediate needs what you have going there is about practical for my needs , keeping a pair of 109 ah battery's up on charger and get my trailer off the power sucking power pack.
Thanks for the specks , gives me a good starting point since time is not on my side.