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RIDER ERICSSON 6" - Brick - Cuir Piston Gasket

colo

Registered
Age
45
Re: RIDER ERICSSON 6" - brick - cuir piston gasket

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
 

Brent Rowell

Registered
Last Subscription Date
08/14/2016
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.
 

colo

Registered
Age
45
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.
Hi Brent,
quiet I do not have to modify the piston displacement ... it was just my curiosity.

Thank you
Davide
 

colo

Registered
Age
45
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
 

Brent Rowell

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Last Subscription Date
08/14/2016
Re: RIDER ERICSSON 6" - brick - cuir piston gasket

Excellent job. I hope your leather is flexible enough; it should be very soft leather.
 

Buster

Subscriber
Last Subscription Date
05/26/2020
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
 

colo

Registered
Age
45
Re: RIDER ERICSSON 6" - brick - cuir piston gasket

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 ----------

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
 

Brent Rowell

Registered
Last Subscription Date
08/14/2016
Re: RIDER ERICSSON 6" - brick - cuir piston gasket

Davide,
I think Buster was referring to what he has found inside displacer pistons (your earlier question). Don Worley has spent some time (and money) finding the most suitable leather for Ericsson engines. You can get one from him that will fit and work without additional cutting, soaking, drilling or experimentation--and they're relatively cheap.
 

colo

Registered
Age
45
Re: RIDER ERICSSON 6" - brick - cuir piston gasket

Davide,
I think Buster was referring to what he has found inside displacer pistons (your earlier question). Don Worley has spent some time (and money) finding the most suitable leather for Ericsson engines. You can get one from him that will fit and work without additional cutting, soaking, drilling or experimentation--and they're relatively cheap.

As for Don's seals, he replied that he is not ready at the moment, and that he will tell me when he will make a new lot, but in the meantime I wanted to try it alone :)
 

Buster

Subscriber
Last Subscription Date
05/26/2020
Re: RIDER ERICSSON 6" - brick - cuir piston gasket

Colo In Post number 29 I was referring to displacer piston and how they were made On the piston leather get very soft leather about 1/16th thick smooth one side I think on 6 inch engine it needs to be 5 inch ID and 7 inches outside put white grease on it put it in smooth side to cylinder wall You are ready to go Try it keep me posted Buster
 

colo

Registered
Age
45
Re: RIDER ERICSSON 6" - brick - cuir piston gasket

Here is the chimney collector finished

Senza titolo
by Davide Coloretti, su Flickr

---------- Post added at 07:40:36 PM ---------- Previous post was at 07:38:40 PM ----------
RIDER ERICSSON Restoration:
there is no trace of the great snowfall forecast for northern Italy.

So this morning I finished the paint stripping and then a good wash with the pressure washer.


by Davide Coloretti, su Flickr


by Davide Coloretti, su Flickr


by Davide Coloretti, su Flickr
 

colo

Registered
Age
45
Re: RIDER ERICSSON 6" - brick - cuir piston gasket

New question.

During the cleaning, 4 holes appeared around the cylinder, inside the perimeter of the furnace. They seem to have been closed with a kind of mortar.
Maybe they were for the gas furnace, and then the engine was converted to wood / coal?

BRANT, what do you think?


Senza titolo by Davide Coloretti, su Flickr


---------- Post added at 07:54:52 PM ---------- Previous post was at 07:49:44 PM ----------

New question, last for today.

When I disassembled the pistons, I noted the "tightening dimension" of the displacer.

This adjustment has to be very precise?

What would be the ideal setting?

Thank you


Senza titolo by Davide Coloretti, su Flickr
 

Brandon Pineo

Registered
Re: RIDER ERICSSON 6" - brick - cuir piston gasket

If you are speaking about the substance inside the dis-placer piston, in my engine it is mineral/rock-wool (which seems to be similar to an early fiberglass). I hope this is not exposed in any way as the engine will not run without a perfectly sealed dis-placer piston. DO NOT OPEN IT! If it looks good and there is no sealing issue, leave it alone and put it back in when restoration is complete. :)
 

colo

Registered
Age
45
Re: RIDER ERICSSON 6" - brick - cuir piston gasket

If you are speaking about the substance inside the dis-placer piston, in my engine it is mineral/rock-wool (which seems to be similar to an early fiberglass). I hope this is not exposed in any way as the engine will not run without a perfectly sealed dis-placer piston. DO NOT OPEN IT! If it looks good and there is no sealing issue, leave it alone and put it back in when restoration is complete. :)
Hi Brendon,
yes my displacer looks good, I do not want to open it, it was just my curiosity.

Thank you
Davide
 
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