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Steam Stationary Engines, Traction Engines Antique steam engines, their boilers, pumps, gauges, whistles and other related things that make them run.

Steam Stationary Engines, Traction Engines

Side Lever Engine


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  #21  
Old 08-05-2018, 04:07:16 PM
dave stevena dave stevena is offline
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Default Re: Side Lever Engine

found out what "E" is

it's an air pump who knows what an air pump does?
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  #22  
Old 08-05-2018, 06:33:03 PM
Jeff Dudgeon Jeff Dudgeon is offline
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Default Re: Side Lever Engine

Hi, the air pump will remove any non condescending gasses that make their way into the condenser. The condenser will operate at a vacuum, so it will draw in air from any little leak it can. The air pump will not have to remove much, as you will find the air leaks and seal them up when it runs.
Jeff
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  #23  
Old 08-06-2018, 01:12:03 PM
dave stevena dave stevena is offline
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Default Re: Side Lever Engine

going back to post 14 and what the bottom of the bed plate was colored blue, I did a little checking

my guess is the top view square area is a condenser and the space below in the side view of the bed plate is the hot well where the water goes, in the bottom is a little well and what I assume is a pump shaft thus the green circle is a water pump pumping the water back to the boiler.

the yellow line is the size of the well
now to figure out a condenser I look a look in some old text books cira 1860ish
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  #24  
Old 08-06-2018, 01:13:48 PM
dave stevena dave stevena is offline
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Default Re: Side Lever Engine

and more about a condenser
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  #25  
Old 08-06-2018, 01:16:29 PM
dave stevena dave stevena is offline
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Default Re: Side Lever Engine

more on condensers
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  #26  
Old 08-06-2018, 01:17:52 PM
dave stevena dave stevena is offline
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Default Re: Side Lever Engine

the end of a condenser

and moving on to water pumps
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  #27  
Old 08-06-2018, 10:56:59 PM
Peter Short Peter Short is offline
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Default Re: Side Lever Engine

Hi Dave,
Thanks for posting the old drawings, that's a rare treat.

Do you have image "engine 21" , it is missing from those you have posted so far.

For anyone's interest... I think the Edwards Air Pump is not just pumping water from the condenser but air and any non-condensable gases which come through from the engine. The trick is to remove the air and gases from the condenser without breaking the vacuum and this is what the Edwards does, a clever and simple design. Another of its features is that it doesn't have any foot valves, just delivery valves at the top which can be repaired or replaced without stopping the engine or losing vacuum (exactly how, I am not sure...). Quite often the Edwards air pumps were driven off the main engine but I have also seen them driven by their own engine.

Last edited by Peter Short; 08-07-2018 at 06:18:33 AM.
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  #28  
Old 08-08-2018, 04:50:14 PM
dave stevena dave stevena is offline
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Default Re: Side Lever Engine

https://www.shipsofscale.com/sosforu...72/#post-36949


I found a set of drawings labeled with the parts I would replace all the drawings here but I can not edit posts.

I would like to invite anyone interested in viewing all the drawings at the above link. You do not have to join a forum to view the drawings

this is a big task to ID the part and how and where it fits into the engine
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  #29  
Old 11-06-2018, 11:42:30 AM
dave stevena dave stevena is offline
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Default Re: Side Lever Engine

I have been busy with CAD drawing this engine so far I completed the main frame and the condenser. Now the problem is how does this condenser go together. measuring its size I figured it goes in the blue area which also matches up with the bed plate
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  #30  
Old 11-06-2018, 11:45:04 AM
dave stevena dave stevena is offline
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Default Re: Side Lever Engine

here is the master condenser drawing and closeup views of various parts.
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  #31  
Old 11-06-2018, 11:47:24 AM
dave stevena dave stevena is offline
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Default Re: Side Lever Engine

and the rest of the closeups
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  #32  
Old 11-19-2018, 11:20:35 AM
dave stevena dave stevena is offline
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Default Re: Side Lever Engine

a progress report I finished the CAD drawings for the main frame, the cylinder, the condenser and the air pump

I wonder if these side lever engines had a lever on both sides of the frame or just one.

when the lever is on the top of the frame there is just one.
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  #33  
Old 11-19-2018, 09:46:20 PM
Bill Hazzard Bill Hazzard is offline
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Default Re: Side Lever Engine

Your drawings look great. I am looking forward to seeing your progress.
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  #34  
Old 11-19-2018, 10:05:11 PM
Peter Short Peter Short is offline
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Default Re: Side Lever Engine

Quote:
Originally Posted by dave stevena View Post
I wonder if these side lever engines had a lever on both sides of the frame or just one.

when the lever is on the top of the frame there is just one.
Dave,
I am sure there would have been two levers, one each side of the cylinder.

The drawings are looking good!
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  #35  
Old 11-20-2018, 11:05:03 AM
dave stevena dave stevena is offline
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Default Re: Side Lever Engine

thank you for the comments in about 3 maybe 2 weeks I will have a 3D model of the frame so you can walk around it and view it from all angles.

my plan

because I am not a trained a steam engineer I really do not know how this engine goes together so I will create all the parts as 3D models and try fitting them together.
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  #36  
Old 11-20-2018, 12:24:42 PM
dave stevena dave stevena is offline
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Default Re: Side Lever Engine

details of cylinder the original drawings and the redrawn CAD
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  #37  
Old 11-20-2018, 12:26:23 PM
dave stevena dave stevena is offline
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Default Re: Side Lever Engine

more original drawings
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  #38  
Old 11-20-2018, 12:28:25 PM
dave stevena dave stevena is offline
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Default Re: Side Lever Engine

final original drawing
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  #39  
Old 11-20-2018, 12:30:14 PM
dave stevena dave stevena is offline
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Default Re: Side Lever Engine

the original drawings are distorted and ripped so they were redrawn in CAD
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  #40  
Old 12-03-2018, 12:19:23 PM
dave stevena dave stevena is offline
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Default Re: Side Lever Engine

and now for a sneak peek at the 3D modeling of the frame
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