This is great because I have a Mac SE/30 with a 800K drive and no way to create 800K disks for it using images off the Internet. Which means a lot to me.
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In my case, I used a Mac LC as the 800k floppy <-> SCSI interface, because I already had one in the collection. It's more bulky than the FluxEngine adaptor though!
The full route from Internet to Mac SE 800k floppies was: WiFi -> MacBook Pro 2014 -> USB-PATA hard drive -> PowerBook G3 Wallstreet (screwdrivers) -> SCSI HDI-30 to DB-25 adaptor -> SCSI hard drive -> Mac LC -> 800k floppy -> Mac SE.
The SCSI drive had to be formatted Mac OS Standard (HFS) not Mac OS Extended (HFS+) if I remember right. Copying data each way took half an hour, so the FluxEngine would be a lot smaller and quicker.
No ethernet or appletalk or serial? First transfer might still need all that machinery, but after that, a lot less work.
> I have a Mac SE/30 with a 800K drive
An SE/30 should have a SuperDrive[0] so at the very least you should be able to write a 1.44MB floppy with a Disk Copy 4.2 image file, then restore the image to a 800K GCR diskette from the SE/30.
[0] The combo 400K/800K GCR & 1.44MB MFM 3.5" floppy drive, not the combo DVD/CD-RW drive when they recycled the name a decade later: https://www.siber-sonic.com/mac/superfloppy.html
Some SE/30's are upgraded SE's; these typically feature the original HD and floppy drive. I own one of these, though I upgraded those components in the late 90's.
It is an upgraded SE with the logic board replaced. Same 800K floppy drive internal as an SE.
Ah I see. You may be able to swap in a SuperDrive still since the SE/30 ROM supports it. I have a dual-800k SE without the FDHD ROM upgrade, so I feel your pain :)
This is why I was so excited when I heard about this. I have a Mac Classic II in the role of "transfer station" - it has a SuperDrive (the floppy drive, not the CD/DVD drive), so can read both standard IBM 1.44MB disks as well as the Mac 800K ones. But it's been getting a bit temperamental recently, mainly due to failing capacitors and an old SCSI hard drive.
FluxEngine completely eliminates the need for it - I can download a 800k system disk image, write it to a physical floppy disk, and use that. What's more, transferring individual files is easy now too: I can read back the physical disk to a DiskCopy image, and either mount that in an emulator such as Mini vMac, or convert[1] it to a raw disk image and mount it with hmount[2]. (The reverse process is similar).
[1] https://www.bigmessowires.com/2013/12/16/macintosh-diskcopy-...
If your Mac does boot, you can use the mac itself.
With a little serial port help, to get the data into it.