Heathkit EC-1

From: Peter C. Wallace <pcw_at_mesanet.com>
Date: Thu May 1 16:12:34 2003

On Thu, 1 May 2003, Dwight K. Elvey wrote:

> >From: "Ethan Dicks" <erd_6502_at_yahoo.com>
> >
> >--- "Peter C. Wallace" <pcw_at_mesanet.com> wrote:
> >> Actually all analog computers are _not_ the same.
> >>
> >> For example: Resistive Sheet computers are very different....
> >
> >I have an idea of how an analog (electronic) computer would work
> >(compared to a mechanical analog computer - that's voodoo with cams)...
> >
> >How does a resistive sheet computer work?
> >
> >In the same vein (pun intended)... how would fluidic computers
> >stack up? Digital? Analog? Mixed?
> >
> >-ethan
> >The New Yahoo! Search - Faster. Easier. Bingo.
> >http://search.yahoo.com
> >
>
>
> Hi
> Another type of analog computers include mechanical ones.
> During WW2, they used really complicated mechanical fire
> control computer. One would input range, bearing, projectile
> and charge. It would also take into account ship roll, speed
> and coriolis effect for that target.
> Gear ratios would make coefficient multipliers. They had variable
> speed transmissions to make multipliers. Differentials made adders
> and subtracters.
> Dwight
>



Not to mention inertial guidance systems with ball+disk integrators etc


Peter Wallace
Received on Thu May 01 2003 - 16:12:34 BST

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