IBM 029 progress

Warren Wolfe lists at
Thu Jun 11 18:15:33 CDT 2009

Eric Smith wrote:
> Warren Wolfe wrote:
>> Erm...  I doubt this.  I saw a 2 farad cap at a surplus place in 
>> Lima, Ohio.  It was rated at 12 volts, and looked like a sawed-off 
>> oil drum.
> That's much older technology.  As others here have observed, you can 
> now get a 100F capacitor that is quite compact, though they have 
> voltage ratings between 2V and 2.7V.

Gee, I feel so....  no longer supported.

>> I think there's some sort of square-cube thing going on here that 
>> makes ever-increasing values of capacitance ever huger.
> Not really.  For a given technology, the volume is roughly linearly 
> related to the product of the capacitance and voltage.

Hmmm...  Okay.  I'll take your word on this.   Thanks for the info.


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