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From: Don Y <blockedofcourse@foo.invalid>
Newsgroups: sci.electronics.design
Subject: Re: The Spanish Grid Drop-out - recently released information.
Date: Sat, 17 May 2025 09:42:03 -0700
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On 5/17/2025 5:39 AM, Joe Gwinn wrote:
>>>> This doesn't happen in aircraft.

----------------------------^^^^^^^^

>>> The ambient noise level in an aeroplane is much higher than in a house

----------------------------------^^^^^^^^^

>>> on a quiet night. (Also, look up Fletcher-Munson curves to see why 600
>>> c/s would be a lot worse than 50 or 60 c/s.)
>>>
>>> Alternators for 600 c/s are feasible at a few kW in aircraft but they

--------------------------------------------------------^^^^^^^^

>>> are difficult to scale up to power station size.
>>
>> A modern large aircraft may have close to a megawatt of generation capacity.

------------------^^^^^^^^

> That seems too paltry.
> 
> .<https://en.wikipedia.org/wiki/Nimitz-class_aircraft_carrier>

-----------------------------------------------^^^^^^^^^^^^^^^^

> Propulsion is 190 Megawatts.  In earlier ships, this would be all
> steam and mechanical.
> 
> .<https://en.wikipedia.org/wiki/USS_John_F._Kennedy_(CVN-79)>
> 
> Later ships are increasingly electric, to support modern things like
> big radars, electromagnetic launch systems, lasers, railguns, and so
> on.