Quote:
Originally Posted by neuk
The question I have is would 24v (car power source) be useful enough to power anything?
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Civilian cars (at least here in the UK) tend to be 12V. Lorries & military vehicles are usually 24V.
To answer the question, though: many things could be run on 12V or 24V, but may need some slight modifications. Most small electrical equipment drops the mains supply voltage down to 12V or less, and turns the AC supply to DC. So, to run a radio, for example, you'd need to make a way to connect the 12V supply to the low-voltage output of the radio's internal power supply.
Dropping the supply voltage down to the required voltage is easy - a resistor wired in series will do the job, though it'll need to be quite hefty and won't be very efficient.
Note that anything that uses a cathode ray tube (like a TV) requires a higher voltage - the power supply in a typical TV would have one outputs of around 100V and other low-voltage outputs, say 5-12V.
I don't know much about white goods like fridges, but I suspect they'd need something close to the normal mains supply to function. It may be possible (but not particularly easy in a T2K setting) to step up a 12-24V AC supply to 120/230V.