Pics of stuff we bought in August!

SkeeterUK said:


Some HD555's for £59 new. :)

Nice buy too, listening to music is a good experience with these.
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I've got better! ;)

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Antelopethy said:
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Looks like it :P
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Yes!
 
It's great, loads of storage space. It nom nom's very well. And a bargin at £299. I went sleepmaster, they had simlar, ex display for sale, £450 as it's end of line. Some on eBay for £175 but I didn't want to risk it.
 
Hotwired said:
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One is missing.

It's absence can be explained by this:

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Which can further be explained by this: http://www.youtube.com/watch?v=dMQ0xkmj-0M

Works perfectly for what it was designed for.
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Pauliee said:
That stun guns a bit crazy isnt it.
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I only call it that on the clip because that's what your average citizen will see it as.

It produces a 13mJ spark which is a little more than the usual 10mJ in a gas ignition system you might find on a BBQ.

Does that about 20 times a second at between 30-50KV.

The idea is to use it for setting off fuel/air mixtures.

With a high voltage you can have the spark jumping across multiple gaps in a combustion chamber thus potentially allowing combustion to take place faster by starting the burn in several points at once.

With a high rate of sparking you increase reliability and decrease any delay from a failed spark due to perhaps poor mixing of gases.

Teenyweeny little test bottle demo: http://www.youtube.com/watch?v=1ydr_iE2ccU

However it should be just fine even if the chamber was tens or hundreds of litres :)



However I did frankly follow the same principle of operation as a stun gun to design and build it, I just made it put out 3-7 times less energy. Uses less than 3W.
 
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