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Old 04-03-2015, 07:11 PM   #1
bigmellon
 
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Default LSx Engine w/ 1" bore

Hello all,

This is my first post here, although I have been poking around a bit. I am excited to see a high number of people on here using SolidWorks, FEA, and all kinds of fabrication skills. It really is inspiring to read all of the projects on here.

I started playing around with making an LS-like engine design with my main design criteria being a 1.0" bore. This is roughly 1/4 scale, but I am not leveraging dimensions from an actual motor. I have needed to modify some dimensions as this is scaled down. My intent is not necessarily to get the engine running... Rather I would like a very nice desk display that uses aluminum, stainless, copper, and brass - and rotates slowly so that you can see how it all works. I have been thinking about possibly sectioning a cylinder head or making some parts translucent... We will see where it goes.

For now... I have started a number of models in SolidWorks and am printing my second revision of a cylinder head as I write this. I think I might machine the little bits and install them on the plastic sample to see how it all works.

So, without further ado... Here goes. It is nice to make your acquaintance and I look forward to getting value out of this site and your feedback. Thank you!

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More pics to come...


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Old 04-03-2015, 08:26 PM   #2
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Welcome, if you go to the welcome new members section, it would be interesting if you let us know what machines you have to make things with. You mention that you will puts some parts on the plastic sample, do you have a 3D printer?

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Old 04-03-2015, 09:18 PM   #3
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Sounds like a neat project. One cylinder a cutaway, one can dispense M&M's...

I always loved seeing the cutaway models of big engines in museums as a kid - looking forward to seeing how it comes out!
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Old 04-03-2015, 09:59 PM   #4
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Looking forward to seeing the printed parts.
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Old 04-04-2015, 12:10 AM   #5
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Yes, I have a MakerBot and printed this thing today. It took about 5 hours to print, but looks decent

I will look for the new member area, but honestly I have so much equipment, it is likely easier to list what I don't have (CNC).

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Old 04-04-2015, 12:14 AM   #6
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Another picture from he other side. This thing actually has a water jacket inside it! Pretty happy with the print quality and general shape of the part.

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Old 04-04-2015, 12:35 AM   #7
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pla or abs?? Great looking print btw....
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Old 04-04-2015, 04:48 AM   #8
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This is made from ABS.

I went out to the barn tonight to play around with some scrap material to see the best way to machine the valves. Since I have all manual machines, I tried a number of ways. It looks like the best results for me was to turn the flute of the valve first, then run the stem out as long as I need it. Still sort of funny to see these little valves in a 15" chuck! Ha!

Now to pick up some odd bits and some new materials...

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Old 04-04-2015, 11:02 AM   #9
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I will be watching this one with interest
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Old 04-04-2015, 05:27 PM   #10
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A few more screen shots of the model... Added the valve cover and a copper head gasket.


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