Author Topic: 16 valve engine  (Read 25659 times)

Offline fumopuc

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Re: 16 valve engine
« Reply #15 on: December 22, 2013, 09:11:56 AM »
Hi Don, thanks for your positive comments. I have tried again to post the next pictures, but still not working. Regards Achim
Kind Regards
Achim

Offline steamer

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Re: 16 valve engine
« Reply #16 on: December 22, 2013, 10:19:56 AM »
Achim

Can I be of assistance with the photo post issue?

How large are the files?

Dave
"Mister M'Andrew, don't you think steam spoils romance at sea?"
Damned ijjit!

Offline fumopuc

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Re: 16 valve engine
« Reply #17 on: December 22, 2013, 10:56:56 AM »
trying again..
Dave you made me reflective. Thanks for that.
I think it was my fault, there was one picture between with 950 KB, this may be was the reason for not getting through. And this was the one I have tried to post alone also ?
Normaly all my pictures in this folder are less 130KB.
Kind regards Achim
« Last Edit: December 22, 2013, 11:04:19 AM by fumopuc »
Kind Regards
Achim

Offline steamer

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Re: 16 valve engine
« Reply #18 on: December 22, 2013, 01:25:00 PM »


Dave you made me reflective. Thanks for that.
 :Lol:


You know Achim....I am so glad I"M not the ONLY one who does that!

Glad it got sorted out!   BEAUTIFUL!! :praise2: :praise2:
"Mister M'Andrew, don't you think steam spoils romance at sea?"
Damned ijjit!

Offline pgp001

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Re: 16 valve engine
« Reply #19 on: December 22, 2013, 01:46:30 PM »
Hi Achim

I am lurking in the background watching with great interest, this is going to be an impressive engine by any standards.

Do you have any thoughts on what finish you will apply to the engine room floor ?

Phil

Offline fumopuc

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Re: 16 valve engine
« Reply #20 on: December 22, 2013, 02:56:10 PM »
Yes Phil, I have. In your Agnes post is already a link to a company where to get the tiles I have used. 24x12x2 mm. On the site of "bloxxs" you can switch the language to English. Kind Regards Achim
Kind Regards
Achim

Offline smfr

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Re: 16 valve engine
« Reply #21 on: December 22, 2013, 05:12:44 PM »
Amazing work, Achim. It looks fantatstic!  :ThumbsUp: :ThumbsUp: :ThumbsUp:

Simon

Offline fumopuc

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Re: 16 valve engine
« Reply #22 on: December 28, 2013, 10:04:36 AM »
Hi everybody, here the next up date at this project.
Next to do was the machining of the rockers.
Than followed by my first way to do the eccentric rings. First batch of 8 pieces has been started.
Doing this work, I by my self reorganized more and more the sense of CNC in the model workshop.
To machine all on the rotary table was really  a kind of pain.
This work was followed by the decision to disassemble everything again and start all the work which is needed for the final assembly.
So I have given the aluminum cylinder and fly wheel bearing brackets for an anodizing company and started the cosmetic work with the floor.
And a forgotten hole has to be made....


Kind Regards
Achim

Offline NickG

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Re: 16 valve engine
« Reply #23 on: December 28, 2013, 02:31:43 PM »
This looks impressive Achim, very nice work. Will be keeping an eye on this one.

Offline smfr

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Re: 16 valve engine
« Reply #24 on: December 28, 2013, 05:21:16 PM »
Wow, that's a lot of eccentrics! What's happening in the first photo? Are you tumbling the parts for surface finish?

Simon

Offline fumopuc

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Re: 16 valve engine
« Reply #25 on: December 28, 2013, 06:34:36 PM »
Hi Simon, in the first picture is my tumbler working. It is a very useful process for deburring and also to get a clean surface. Process time min 4 hours. After this I wash the parts in a small ultrasonic cleaner and afterwards the will be immediately black burnished. This tumbler is coming from the US. You should find it in any gun shop. Normally it will be used for the cleaning of bullet casings.
« Last Edit: December 31, 2013, 03:10:21 PM by fumopuc »
Kind Regards
Achim

Online Dave Otto

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Re: 16 valve engine
« Reply #26 on: December 28, 2013, 07:27:48 PM »
Hi Achim

I'm also enjoying your build here; I have a bowl type tumble similar to yours but have had mixed results with it. Do you run it dry; also can you tell us what type of media you are using?

I'm also interested in the tile floor you are working on; can you elaborate some on what is involved? Like what is the tile material, how do you cut it, glue it down, grout and finish?

Thanks
Dave

Offline fumopuc

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Re: 16 valve engine
« Reply #27 on: December 29, 2013, 08:34:29 AM »
Hi Dave, I will try to answer your questions with some information available in the net.
http://www.rosler.us/fileadmin/user_upload/Blaetterkataloge/US_130_Verfahrensmittel/blaetterkatalog/blaetterkatalog/pdf/complete.pdf
My medium in the tumbler are stones in triangle format 3 x 3 mm.
Tumbling of aluminium, brass or steel dry is nearly impossible, because you will get a kind of gray coating. The parts are deburred, but with an ugly surface. I use a fluid compound which is a bit acid. Sorry here I have only a link to a German site, where I bought my stuff. It will be mixed with water, 2 to 4 % of the compound only.
http://51350547.swh.strato-hosting.eu/de/dept_51.html
I know some people which are using a mix from a bit of vinegar, soap and water.
My be you will have a look at the companies which are dealing with polishing of semiprecious stones, they sometimes offer the whole pallet of polishing consumables. May be this link will bring you closer to that stuff in the US.
http://rocktumbler.com/tips/rock-tumbler-instructions/ Or a company which is dealing jewelers.
I leave the mixture of stones an compound always in my tumbler. It will be closed with the cover an can wait than for the next job.

My tiles are made from clay. The easiest way to cut them are using a disc in an rotary tool.
http://www.dremel.com/en-us/Tools/Pages/CategoryProducts.aspx?catid=2013&WT.ac=NHPC_2013_ProductCarousel
I was a bit tricky to find the right glue, but at the end it was available in a mosaic shop. This people sell a special glue to fix the small stones also an metal. May be you will find something usable here http://www.mosaicartsupply.com/index.aspx
This company should also offer everything what will be needed for the grouting.
As a very last final process I paint everything with a 1K polyurethan resin, this will give the surface a kind of sealing. So the open pores of the clay and the grout are protected against oil. This stuff should be available in an boot shop.
Hopefully I could give all necessary information you have expected.

Kind Regards
Achim

Offline fumopuc

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Re: 16 valve engine
« Reply #28 on: January 01, 2014, 01:27:02 PM »
Hi everybody,
the new year has started now and I have had a look in my archive. The first picture below, was made on 2011/12/18.
This was the hard ware start of this project. The 2D CAD was complete.
Now we are 2 years later and the tiles are out of the bag on the floor.
The very last two pictures showing the engine today, 2014/01/01.
For my an important mile stone is true now.
It is bit to early for happy dancing, like the pink elephant, but hopefully I am very close now.
Cylinder #1 and #2 are under compressed air now running well with 0,5 bar.
The twin is alive but not the compound.
The next big step will be the installation of the the last two inlet units.
At the moment the next batch ( 8 pieces) of eccentric rings is still missing.
My plan is to make them this time with my CNC toy.
Have a good and successful Model Engine Maker Year 2014.
Kind Regards
Achim

Offline fumopuc

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Re: 16 valve engine
« Reply #29 on: January 01, 2014, 01:29:07 PM »
and here finally  the link, to what the engine is doing the whole morning, running.......
<a href="http://www.youtube.com/watch?v=XxV1a5KRw1Q" target="_blank">http://www.youtube.com/watch?v=XxV1a5KRw1Q</a>
« Last Edit: January 01, 2014, 03:25:09 PM by fumopuc »
Kind Regards
Achim