Must see animation

**F4Phantom** · 25th November 2006, 07:11 PM

We all know how the spark ignition engine works BUT this video is amazing to watch, gives you that really good over all perspective.

http://www.autoblog.com/2006/10/23/v...-its-3d-glory/

**Bytemrk** · 25th November 2006, 08:02 PM

Very cool...thanks for sharing

**Bushie** · 25th November 2006, 08:26 PM

Somewhere either on my system or in a backup I've got the files to set that up as a screensaver.

Martyn

**Captain_Rightfoot** · 25th November 2006, 09:28 PM

great video. One of the few internet videos that could be considered educational.

**p38arover** · 25th November 2006, 10:39 PM

Ever wondered about the Commer Double Knocker?

See http://www.sa.hillman.org.au/TS3.htm

Ron

**p38arover** · 25th November 2006, 10:55 PM

Or the Deltec loco engine?

Look here for some info on (with lots of photos) a MODEL of this engine! Note the three crankshafts and the delta configuration of the engine. These engines sound so smooth.

http://www.craftsmanshipmuseum.com/Tomlinson.htm - It's gorgeous!

**Bigbjorn** · 25th November 2006, 11:03 PM

Originally Posted by p38arover

Ever wondered about the Commer Double Knocker?

See http://www.sa.hillman.org.au/TS3.htm

Ron

It was the Commer "knocker" or TS 3 engine. TS3 = two stroke, three cylinder. The "double knocker" was the twin overhead cam Norton Manx 500cc motor-cycle Grand Prix engine also known as the dk Norton.

Knockers were simple to understand, reliable and needed little maintenance. The principal problems with knockers were that they were oversold. They were a great eight ton body truck engine, but not a great prime mover engine, but, as the dealers had nothing else, they were sold as prime movers and set to pulling bogie axled semi-trailers on line haul. Everybody who owned or drove them had pet theories as to how to tune them, fix them, or get more out of them. None of the pet theories worked. Like Quadra-jet and SU carburettors, set them up by the book, and, BLOODY WELL LEAVE THEM ALONE.

**cols110** · 26th November 2006, 02:46 AM

I wish there were training aids like that when I did my apprenticeship.

**Michael2** · 26th November 2006, 04:58 AM

When I was a kid, the guy across the street told me that he used to drive a Commer truck as a prime mover. He reckoned it wasn't as big as the other trucks, but when challenged by Macks and the like, he was able to pull away faster and sustain his lead, to their amazement.

I don't know which truck or engine he had, but he did say that it was originally German technology (NAZI) from the 1/2 tracks they ran in North Africa. After the War various Allied firms picked up rights to some "captured" technology. He said he could rest a cup of coffee on the engine and it wouldn't vibrate.

**Bush65** · 26th November 2006, 07:22 AM

Many years ago, a development engineer from Sarich presented a video at the annual ProEngineer conference.

The video, which won an Australian film award, was an animation from Ansys (multi-physics analysis software) of an FEA (finite element analysis) model and CFD (computational fluid dynamics) model of their fuel injected 2 stroke engine.

As the engine ran in slow motion, Ansys showed:

Von-Mises stress (3 dimensional stress) as colour contours and vectors, of the various components of the engine (from the crankshaft, down to contact stresses between the pintle and seat of the injectors)

temperature as colour contours, of the engine components

fluid, pressure as colour contours and velocity as vectors, in the inlet and exhaust manifolds, cylinder and combustion chamber

fuel flow inside the injectors and atomisation and combustion in the cylinder and combustion chamber

acoustic analysis of sound from the engine

And more that I can't recall now.

It was the most impressive technical video I have seen.

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