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RIDER ERICSSON 6" - Brick - Cuir Piston Gasket


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  #21  
Old 08-13-2017, 11:37:36 AM
colo colo is offline
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Default Re: RIDER ERICSSON 6" - brick - cuir piston gasket

Quote:
Originally Posted by Brent Rowell View Post
Sorry Davide, I don't understand your last question.
Is the displacement piston inside it empty?
I do not believe.

Is it filled with an insulating material?
What material is it?

Regards
Davide
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  #22  
Old 08-13-2017, 02:46:56 PM
Brent Rowell Brent Rowell is offline
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Default Re: RIDER ERICSSON 6" - brick - cuir piston gasket

Sorry I have never taken one apart. I've heard others say there was sometimes brick dust inside--maybe others can comment. Unless you run the engine for days at a time, I doubt it makes much difference. On other engines they appear to be empty.
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  #23  
Old 08-14-2017, 02:30:49 AM
colo colo is offline
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Default Re: RIDER ERICSSON 6" - brick - cuir piston gasket

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Originally Posted by Brent Rowell View Post
Sorry I have never taken one apart. I've heard others say there was sometimes brick dust inside--maybe others can comment. Unless you run the engine for days at a time, I doubt it makes much difference. On other engines they appear to be empty.
Hi Brent,
quiet I do not have to modify the piston displacement ... it was just my curiosity.

Thank you
Davide
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  #24  
Old 09-01-2017, 07:14:42 AM
colo colo is offline
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Default refractory cement casting

I have analyzed the work of reconstruction of refractory bricks.
And if I did a refractory cement casting?
What is your opinion?
Do you have any advice to give me about this?

Thank you
Davide
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  #25  
Old 09-16-2017, 01:41:45 PM
colo colo is offline
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Default Re: RIDER ERICSSON 6" - brick - leather piston gasket

Thank you all for your valuable advice.

In the end here is what I did today on the furnace:
a mix of refractory bricks and ceramic fiber (similar to FiberFrax).

What do you think?

P.S. to next post: Piston Gasket


Senza titolo by Davide Coloretti, su Flickr


Senza titolo by Davide Coloretti, su Flickr


Senza titolo by Davide Coloretti, su Flickr


Senza titolo by Davide Coloretti, su Flickr
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  #26  
Old 10-15-2017, 03:04:42 PM
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Default Re: RIDER ERICSSON 6" - brick - cuir piston gasket

and here's the piston gasket .... and now we wait for the NEATSFOOT to be absorbed ... and then we hope it's OK

P.S. thanks to everyone for the advice given so far


Senza titolo by Davide Coloretti, su Flickr


Senza titolo by Davide Coloretti, su Flickr


Senza titolo by Davide Coloretti, su Flickr


Senza titolo by Davide Coloretti, su Flickr
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  #27  
Old 10-15-2017, 03:07:04 PM
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Default Re: RIDER ERICSSON 6" - brick - cuir piston gasket

and here's the other photos


Senza titolo by Davide Coloretti, su Flickr


Senza titolo by Davide Coloretti, su Flickr


Senza titolo by Davide Coloretti, su Flickr
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  #28  
Old 10-15-2017, 08:54:14 PM
Brent Rowell Brent Rowell is offline
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Default Re: RIDER ERICSSON 6" - brick - cuir piston gasket

Excellent job. I hope your leather is flexible enough; it should be very soft leather.
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  #29  
Old 10-15-2017, 09:54:54 PM
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Default Re: RIDER ERICSSON 6" - brick - cuir piston gasket

Info on displacer piston I have had some original apart and no two are the same . Most have A 1/8th thick by 1 inch wide band rolled to fit inside displacer piston . It is riveted on 3 or 4 places to keep it in place in center of piston One had A tin can 1 inch thick laying on center band .not air tight .kept insulation from going to bottom .Insulation looked like Rock wool used in our home in ND in the 1940s one had A 3 star piece of metal laying on it and looked like A roll of asbestos dropped in there on top half of piston I have not seen A piston with any thing in bottom This info is Ericsson engine only

---------- Post added at 06:54:54 PM ---------- Previous post was at 06:37:53 PM ----------

A little more info on last post One piston had a 1/8 inch thick plate laying on center band with A 1/2 inch hole in it kept temp from rushing back and forth all pistons had the center band and I think it was to keep transfer piston from tin canning on pressure and vacuum stroke This info for Ericsson engines only I need to do more research on 10 Ericsson Do not know for sure how many changes were made on them all posts put up by me are open for correction
Buster
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  #30  
Old 10-16-2017, 06:28:55 AM
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Default Re: RIDER ERICSSON 6" - brick - cuir piston gasket

Quote:
Originally Posted by Brent Rowell View Post
Excellent job. I hope your leather is flexible enough; it should be very soft leather.
Hi Brent,
regarding the softness of the leather, I'm not perfectly satisfied.

I worked a 4 mm (0.157 ") leather and crushed 3 mm (0.118").

This, however, has compacted and stiffened the leather.

Maybe I'll have to do the work again with a 3 mm leather

---------- Post added at 12:28:55 PM ---------- Previous post was at 12:24:16 PM ----------

Quote:
Originally Posted by Buster View Post
Info on displacer piston I have had some original apart and no two are the same . Most have A 1/8th thick by 1 inch wide band rolled to fit inside displacer piston . It is riveted on 3 or 4 places to keep it in place in center of piston One had A tin can 1 inch thick laying on center band .not air tight .kept insulation from going to bottom .Insulation looked like Rock wool used in our home in ND in the 1940s one had A 3 star piece of metal laying on it and looked like A roll of asbestos dropped in there on top half of piston I have not seen A piston with any thing in bottom This info is Ericsson engine only

---------- Post added at 06:54:54 PM ---------- Previous post was at 06:37:53 PM ----------

A little more info on last post One piston had a 1/8 inch thick plate laying on center band with A 1/2 inch hole in it kept temp from rushing back and forth all pistons had the center band and I think it was to keep transfer piston from tin canning on pressure and vacuum stroke This info for Ericsson engines only I need to do more research on 10 Ericsson Do not know for sure how many changes were made on them all posts put up by me are open for correction
Buster

Hi Buster,
my engine does not present this modification, between the power piston and displacer there is no seal.
But is it necessary to improve the hold of the power piston?

Sincerely I do a lot of effort to understand 100% what you've described, can you explain better with photos or with a drawing?

Thank you
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