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Open Thread 19-08-14

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Friday Funnies by Microdave

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Friday Funnies kicks off this week with a public service announcement: I can think of several arseholes round here who fit that category. Now a private announcement…   FOR SALE BY OWNER. Complete set of Encyclopedia Britannica, 45 volumes. Excellent condition, £200 or best offer. No longer needed, got married, wife knows everything. A supermarket appears to be selling “Black” ... Read More »

Charging A Second Battery

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Or “Batteries”… When Bucko first suggested I should blog about this subject I could have started right here, but figured there would probably be questions about batteries and charging sources, and I decided to cover those first. So without further ado here is the latest instalment. In an ideal world you should always have individual charging arrangements for separate battery ... Read More »

Friday Funnies by Microdave

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To start Friday Funnies this week here’s a timely reminder: And to follow, another warning: Particularly relevant to anybody who’s purchased the following book (click image for the Amazon link): Feeling REALLY brave? – Try this: (click for link) But if you’re going to play with someone else’s parts it could be the last thing you do… Three gay men ... Read More »

Open Thread 04-08-14

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This weeks Open Thread for your discussions. Read More »

Friday Funnies by Microdave

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Back again. To start with here’s one for Leggy & Bucko: I’ve been trying to convince Wiggy that you have to induce a voltage before you will get current flowing. If only there was a nice, simple, picture like this one to help: Sorry, Wiggy, but I just couldn’t resist… The above post was obviously made by an ammeter This ... Read More »

The Dynamo and Alternator

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So far I’ve covered batteries and mains charging, now it’s the turn of engine driven generators. In the comments on the last post Earwig took me to task over the following: This waveform is related to a basic principle of physics: moving a magnet past a wire will induce a voltage in the wire. If I’ve goofed I can’t see ... Read More »

Open Thread 28-07-14

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This weeks Open Thread. A few things: 1) Sorry for the lack of Friday Funnies, but after more than 3 years with scarcely a break, I had a “Fuck it, I can’t be bothered” moment. 2) I’ve had word that the server may be upgraded sometime this week – I don’t know exactly when, but will try and give some ... Read More »

Mains Charging

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Now you know that it’s not a good idea to leave a battery discharged, you need to know how to re-charge it safely, and without causing any damage. All batteries work with Direct Current – i.e. it is always of the same polarity. Alternating Current, such as you get from the mains cannot be used – unless you rectify it ... Read More »

Open Thread 21-07-14

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This weeks open thread for your discussions. Read More »

Friday Funnies by Microdave

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Something topical to start this weeks Friday Funnies: New video has emerged showing the inside of the Costa Concordia cruise ship which has been refloated after sinking two and a half years ago. It shows two Scotsmen still waiting for their change at a bar. The Beatles were lying to us all those years ago… To go with the Chicken ... Read More »

Open Thread 14-07-14

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Farady Funnies by Microdave

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Just a little play on words there, seeing as how I’m trying to edjurkate some of you lot in matters electrical. This is probably past its sell by date, but I either delete it or use it… I can’t imagine many youngsters visiting this establishment: Now pay attention, this is important… With built in shock absorbers, this lady obviously jumped ... Read More »

Batteries

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For this instalment of my posts about charging batteries I’m going to focus on……Batteries! If readers like Dam Langden are going to try building wind generators, then he, and you should know a little bit about what is safe, and more importantly what isn’t. I’m not particularly bothered if you kill yourself making pipe bombs, but I would rather not ... Read More »

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