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Reassembling a very rare engine
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Nürnberger


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PostPosted: Thu Apr 06, 2017 2:48 pm    Post subject: Reply with quote

Hello,
my answer deals with the question if another commercially produced 4 cylinder engine is known.
Yes there is onother one made by BISCHOFF, see pics, with a 4-oc ships engine.

Regards Walter




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yussufhippo


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PostPosted: Thu Apr 06, 2017 4:04 pm    Post subject: Reply with quote

Wow, thanks for sharing this with us!
Must be a rare one as well, I suppose.
And it's oscillating...
Thomas
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yussufhippo


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PostPosted: Sat Apr 08, 2017 3:51 pm    Post subject: Reply with quote

Latest developments:

 photo IMG_1393_zpshelmebuk.jpg

One of the cylinder-sets has already been removed. To do so, you have to unscrew one screw which is hidden under a [-shaped blue cover. In order to remove this cover, you have to bend it up so that it slides over the protruding fittings for the steam pipe...

Here is what I mean:



Cylinder-block:

 photo IMG_1395_zpsucojn62x.jpg

Crankshaft exposed:



...and here the reasons for all this:

 photo IMG_1398_zpsaj3yksho.jpg

...the completely rotten and shrunken rubber seals of the exhaust pipes.
Well, some cleaning left to be done, there was a lot of gooey oil-foam still clinging to the pipes.
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yussufhippo


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PostPosted: Mon Apr 10, 2017 9:39 am    Post subject: Reply with quote

Actually, I was not really sure if the whole effort of taking this apart is really justified (especially regarding bending up the covers...). Perhaps it would suffice to use liquid silicone to seal the exhausts...

Now I am quite glad I have done so:



You see that the cylinders are held in place by two screws - and one of these has come loose a bit!



If you look very carefully you might even see that the cylinder is not in line with the base...
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Les


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PostPosted: Mon Apr 10, 2017 7:11 pm    Post subject: Reply with quote

It's a good job you did persevere and take it apart.
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MrDuck


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PostPosted: Tue Apr 11, 2017 3:39 pm    Post subject: Reply with quote

Those had clearly served their time
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andycrazy


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PostPosted: Sat Apr 15, 2017 12:26 am    Post subject: Reply with quote

It always pays to do a job right and do it once.  Its a good job you took it apart otherwise you could have bodged it with silicone only to have a bigger repair job later on when the screws failed altogether.
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Growl22


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PostPosted: Tue May 02, 2017 1:38 am    Post subject: Reply with quote

You're doing a great job, Thomas.  I've enjoyed the slow but steady progress very much.  It pays to do it right the first time!  Marc
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yussufhippo


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PostPosted: Thu May 04, 2017 9:46 am    Post subject: Reply with quote

Thanks a lot for your kind replies and encouragement.

Had some health problems recently, so progress will be further delayed, I am sorry.

Thomas
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Freespawn


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PostPosted: Thu May 18, 2017 8:23 am    Post subject: Reply with quote

yussufhippo wrote:
Mirko, thanks for your interesting remarks.
I also believe that there were such endcap rings as you describe them. Of course I will try to find somebody who can make me such rings - but I fear it has to be somebody around the place were I live because tailoring these rings to fit will be a bit difficult. And as yet I have no idea whom to approach...

I wonder, however, if aluminium would be the right choice - together with brass and sheet metal?

Regarding the insulation, you offer an interesting idea - I understood the word "Isoliermantel" in the original advertisement as a hint that there was some insulation - but of course there is the possibility that there was simply the outer "shell" (= "Mantel") and then n empty space between this shell and the boiler...  
No way of finding out until I get to see another specimen...

Thanks for your ideas!

BTW: I have just added some more information to the "Video"-section thread. Does anybody here know another toy-4-cylinder engine?

Great engine
Haveing just seen the catalog pic Walter posted in another thred I would say Bing apparently made a 4 cylinder ships engine


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yussufhippo


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PostPosted: Thu May 18, 2017 3:23 pm    Post subject: Reply with quote

Great engine
Haveing just seen the catalog pic Walter posted in another thred I would say Bing apparently made a 4 cylinder ships engine

[/quote]

Yes, but this is a 2 cylinder! The additional cylinders are fake...
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Dr. Rog


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PostPosted: Thu May 18, 2017 5:40 pm    Post subject: Reply with quote

 
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Freespawn


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PostPosted: Fri May 19, 2017 12:39 pm    Post subject: Reply with quote

yussufhippo wrote:
Great engine
Haveing just seen the catalog pic Walter posted in another thred I would say Bing apparently made a 4 cylinder ships engine



Yes, but this is a 2 cylinder! The additional cylinders are fake... [/quote]
Ahh well that makes sense then
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yussufhippo


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PostPosted: Fri May 19, 2017 1:11 pm    Post subject: Reply with quote

Freespawn wrote:
yussufhippo wrote:
Great engine
Haveing just seen the catalog pic Walter posted in another thred I would say Bing apparently made a 4 cylinder ships engine



Yes, but this is a 2 cylinder! The additional cylinders are fake...

Ahh well that makes sense then [/quote]

...a very interesting engine, nevertheless. Very high on my "would definitely like to have (but won't be able to afford anyway)"-list

Has anybody ever seen this one "in the flesh"???
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