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The three-inch Compact Floppy Disk. Amdek was a big vendor of Compact Floppy drives for the popular U.S. 8-bits (Apple II and Atari, anyway).
I grabbed such a drive and a box of blank Compact Floppies for cheap back in the late 80s for an Apple IIe of mine. It plugged into the standard Disk ][ controller and offered 140K per side (they are "flippy").
These are at least twice as thick as today's (well...yesterday's?) 3.5-inch microfloppies.
We are now disk equipped! I bought this late 1980's era (but never ridden) road disk for €100 and converted it to a track wheel. Rode it for the first time last night and I'm very satisfied. It's true, stiff, has perfect bearings and a smooth lenticular shape. A €2500 Mavic is a pound lighter but offers no further advantage.
Inside my hard disk laser projector.The two black boxes are sawed-off 3.5" hard disks,with mirrors mounted where the head arms should be.
Each disk has an optical position sensor mounted to it, for closed-loop feedback.
The laser is a 30 mW green laser pointer, from DealExtreme.
Per anni, una volta che un hard disk si rompeva fisicamente per un incidente o finisce il suo ciclo di vita naturale, io non me la sentivo di buttarlo via e li "seppellivo" in cassetti dell'ufficio. Ecco un poco di pulizia: tutti in ecoarea !
Doing some Spring cleaning, we decided it was time to get rid of all these old 3.5" floppies. The fact that we had to borrow a drive just to read them should tell you just how useful they've been to us.
www.jasoncoleman.net/2009/06/12/some-nerd-treasures-in-th...
44 megabyte full-height 5.25 inch disk drive and 2GB CF card. The disk cost a whole lot more, back in the day.
This set was created using 4 up-cycled red bottle caps. The cute paper used for these magnets is up-cycled as well.
MRI scan results confirmed that I have a disk prolapse between S1 and L5. It is 10mm by 8mm. Hopefully it is getting smaller.
Once upon a time the web browser came on floppy disks. Nowadays it comes preinstalled on your phone...
New disk #commuter
Rolling on @compasscycle bon jon pass
@rideshimano ultegra group set
@velogical_velospeeder rim dynamo
@supernova.design lights
@columbus_official zona tubes
@brooksengland saddle
Blablabla... More will follow
#handmadeinberlin #randonneur #meerglas #steelisreal @commuterbike #commuterbike