Path: ...!news.roellig-ltd.de!open-news-network.org!weretis.net!feeder8.news.weretis.net!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail From: "Carlos E.R." Newsgroups: sci.electronics.design Subject: Re: The Spanish Grid Drop-out - recently released information. Date: Tue, 13 May 2025 02:50:21 +0200 Lines: 36 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Trace: individual.net Oe4zBl6CzUeKHoZ1w8IC8AQ8Sw4fqYiylQecZBI8px6eUhLHd8 X-Orig-Path: Telcontar.valinor!not-for-mail Cancel-Lock: sha1:schEIDZun0I9VV7WwQ2wV3POALc= sha256:6P257FaRoPdXGHtXUlqQNcc06WUX171o7HGkVNBw544= User-Agent: Mozilla Thunderbird Content-Language: es-ES, en-CA In-Reply-To: Bytes: 2423 On 2025-05-13 00:20, Joe Gwinn wrote: > On Mon, 12 May 2025 23:33:30 +0200, "Carlos E.R." > wrote: > >> On 2025-05-12 16:36, Martin Brown wrote: >>> On 10/05/2025 17:58, John Robertson wrote: >>>> On 2025-05-10 9:46 a.m., Bill Sloman wrote: >> >> ... >> >>>> Perhaps for systems that have large solar or wind arrays they could >>>> use a number of large rotating masses to smooth over these burps? >>>> Vacuum and magnetic bearings... >>> >>> They are intrinsically dangerous if they store enough energy to really >>> matter. We had such a steel reinforced lead flywheel and motor generator >>> configuration on big radio telescopes storing just enough energy to stow >>> them in the event of a storm taking out 3 phase mains power. The dishes >>> can only reliably survive storms if they are pointed at the zenith. >>> (sometimes not even then) >>> >>> Working out how far it would travel if it ever broke free from its very >>> substantial bearings was used as an exam question. It was installed >>> pointing so that it would not hit any property if it did. >> >> It would affect earth rotation, too. Some huge water reservoir in China >> is affecting it already. > > Three Gorges Dam? > > . Yep. -- Cheers, Carlos.