[Nottingham] [Talk] This *THURSDAY* 04/07/2013: The Art of Code

Michael Erskine msemtd at googlemail.com
Fri Jul 12 14:35:09 UTC 2013


That better way is bicycles :D

On 12 July 2013 14:43, Martin <martin at ml1.co.uk> wrote:
> On 01/07/13 17:06, Martin wrote:
>> Folks,
>>
>> This *THURSDAY* 04/07/2013:
>>
>> *The Art of Code*
>
>
>> Get your bits along to see for yourself this *THURSDAY*       at our old haunt
>> at Fellows, Morton and Clayton. (No football! And food promised.)
>
> That worked well and made for a good evening. Some rather good beer also!
>
> Fellows is expanding and has taken over The Falcon. We're invited there
> provided we can resist the temptation from the nearby Organ Grinder... :-o
>
> And as can happen, I think we strayed a long way off the intended
> talk... We can reschedule that one for another night :-)
>
>
> Following on from I think was one of Jason's comments:
>
> As an engineer, I can't help but be a little dismayed that we are still
> puttering around using internal combustion engines that are very
> unimaginatively modelled on steam engine tech from *TWO CENTURIES AGO* !
>
> OK, so there has been lots of incremental improvements in materials,
> surface finish, lubrication, and careful control of the combustion.
> There's also been a few frilly bits added with supercharging and
> turbocharging to boost performance or reduce the size for the same
> performance. But... The vast majority of engines still follow the old
> clunky layout as used for steam engine cylinders with inefficient added
> weight needed for counterbalancing weights and flywheels...
>
> There must be a better way: :-)
>
> (Should this be on the Wow! thread? ;-) )
>
>
> BMW R1200 GS Moto Engine
> http://www.youtube.com/watch?v=JtcmL_1otv4
>
>
> PatOP Opposed Piston Engine
> http://www.youtube.com/watch?v=j53v75mJj_4
>
>
> TROPE : Toroidal Opposed Piston Engine
> http://www.youtube.com/watch?v=AM335uWoYBQ
>
>
> Deltic CAD Model Animation
> http://www.youtube.com/watch?v=8My_STNpuvY
>
> One hell of a diesel two-stroke engine! As used in train engines, a
> complete deltic engine used either 3 banks (9-cylinders, 18-pistons) or
> 6 banks (18-cylinders, 36-pistons) for some impressive power output. The
> great design innovation to make it all work was to realise that one of
> the crankshafts has to turn in reverse to the other two to get the phase
> angles to work... All very compactly powerful!
>
> (Sorry couldn't quickly find a better example to show.)
>
>
> Here's an intriguing idea:
>
> Russian Rotary Vane Engine (aka MYT Engine)
>
> Very good animation:
> http://www.youtube.com/watch?v=aZB0Go3Kj-k
>
> And a real prototype:
>
> MYT Engine "Mighty Yet Tiny"
> http://www.youtube.com/watch?v=n6_otBZffb8
>
> Abysmal music for an interesting demo. A very good idea if the seals can
> be made to work for the split hub and if the stop-start oscillating hub
> mass doesn't kill operation for useful speeds.
>
>
> And then there is:
>
> A jet powered Mini Cooper!
> http://www.youtube.com/watch?v=CDBFAt3uqrc
>
> To hell with the efficiency, fun hot stuff!
>
>
>
> In keeping with the almost desert heat we're enjoying, next nosh
> Thursday 18/07/2013 we go to Marrakesh...
>
> All welcome,
>
> Cheers,
> Martin
>
>
> --
> - ------------------ - ----------------------------------------
> -    Martin Lomas    - OpenPGP (GPG/PGP) Public Key: 0xCEE1D3B7
> - martin @ ml1 co uk - Import from   hkp://subkeys.pgp.net   or
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>
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