The Shipyard ( Dry Dock ): Builds & Questions > Steam R&D:
side lever engine cira 1840s
daves:
my plan is to build a working scale model of this engine run on an air pump. The problem is having to back engineer the engine from the following plans which can be seen here
https://www.shipsofscale.com/sosforums/index.php?threads/marine-steam-engines-and-boilers.2272/
The problem is not knowing where all the parts go and exactly what they are. It is like trying to put together a jigsaw puzzle with the picture face down.
the plan is to redraw the original plans in CAD then convert those drawings to a 3D print file
the engine was used in the first steam frigate Mississippi built in the US it was the one and only engine of its type used. However this type engine was common in the UK.
Martin (Admin):
WoW! Interesting project! :o
What scale / size are you planning?
Martin
steamboatmodel:
The major problem is that the plans are of a full size engine of 1840's design. I suggest that you find plans for a simple model engine of similar looking design and then fudge to fit and paint to match it similar to the original engine. There was a model of one of the civil war monitor engines that was done, it may give you some ideas.
Gerald.
daves:
--- Quote from: Martin [Admin] on October 02, 2018, 03:56:47 pm ---
WoW! Interesting project! :o
What scale / size are you planning?
Martin
--- End quote ---
the scale planned is 1:32 scale at this scale I can include detail right down to the nuts and bolts
daves:
--- Quote from: steamboatmodel on October 02, 2018, 03:59:38 pm ---The major problem is that the plans are of a full size engine of 1840's design. I suggest that you find plans for a simple model engine of similar looking design and then fudge to fit and paint to match it similar to the original engine. There was a model of one of the civil war monitor engines that was done, it may give you some ideas.
Gerald.
--- End quote ---
you are correct the plans are actually of the original engine and some of them are 5 feet long.
Here is the issue the complete plan is to build the entire ship which I have about 78 drawings of the ship the engine and boiler. It is a static model about 8 feet long at 1:32 scale. To build the model as historically correct as possible I have to use the original engine drawings. What is missing is all the piping and fittings from the boiler to the engine. That is a total guess.
What is lacking are isometric drawings of the complete engine front, side, top and bottom views so there is no way of knowing what the complete engine looks like.
I am starting with the engine because that is the hardest part of this build, If I can not assemble the engine the rest of the project is a mute point. Making the engine move with an air pump was an added thought and really not part of the original building plan. That is way harder than I imagined.
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