[raspberry-vi] Re: Pringles Speaker
- From: lsmithso@xxxxxxxxxxxxxxxx
- To: <raspberry-vi@xxxxxxxxxxxxx>
- Date: Fri, 29 Mar 2013 11:56:12 +0000
That's irresistible . I'm going to get my 11 yo son to help me build
one of those. He made a Pringles periscope at school the other
week. A hacker in the making?
>
> You can make a good air-torus cannon out of a Pringles can...
>
> Use a hole punch to make a circular hole in the exact centre of the
> bottom metal plate. Fix a deflated balloon, or an unmentionable object
> commonly made of latex over the open end...
>
> Aim the 'cannon' at a candle about fifteen feet away and stretch out the
> flexible membrane as far as you can and let it go.
>
> This fires a fast moving torus of air towards the candle and will blow
> it out.
>
> Mike
>
>
>
> On 29/03/2013 11:40, lsmithso@xxxxxxxxxxxxxxxx wrote:
> >
> > Pringles have a proud tradition in hackerdom. Years ago I built a
> > Pringles Cantenna to boost my wifi signal. It consisted of a Yagi
> > arial made from a threaded stud and a bunch of large washers acting as
> > reflectors, all mounted inside the Pringles can. There was some debate
> > about just what contribution the can made to boosting the signal. It
> > was a good hack.
> >
> >
> >
>
> --
> Michael A. Ray
>
> Analyst/Programmer
> Witley, Surrey, South-east UK
>
> github username: cromarty
> raspberrypi.org username: cromarty
> Ham Radio Call-sign: G4XBF, licensed since 1982
>
> 'Entia non sunt multiplicanda praeter necessitatem' - Ockham's razor
>
>
> Raspberry VI:
> http://www.raspberryvi.org/
> NVDA, the best free screen-reader in the world:
> http://www.nvda-project.org/
>
>
>
>
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>
> Mike Ray, list creator, January 2013
--
Les Smithson
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Administrative contact: <mike.ray@xxxxxxxxxxxxxx>
-----------------------------------------------------------
Raspberry Pi and the Raspberry Pi logo are trademarks of the Raspberry Pi
Foundation.
This list is not affiliated to the Raspberry Pi Foundation and the views and
attitudes expressed by the subscribers to this list do not reflect those of the
Foundation.
Mike Ray, list creator, January 2013
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