The Shipyard ( Dry Dock ): Builds & Questions > Steam
Marcher vs. other DIY engines
Moxis:
I am considering building a nice small two cylinder steam engine to power a small open launch. Marcher being considered as a very prominent engine, I wonder if there are any other simple, easy to make and to use engines available? I have a lathe and milling machine at my hobbyroom, so machining of the parts is possible, but don't have very much experience about accurate machining. Of course the easiest way would be to buy a kit or even a ready assembled engine, but being a retired person I just cannot afford the prices asked of them.
IanJ:
Hello Moxis,
My I suggest if you new to model engineering the the Twin Cylinder Oscillator Engine from Stuart Models could be good start. The kit will contain all of the parts to complete the engine. It will self start and the reversing mechanism is simple, so it is not as complicated as the Marcher. It is also not as expensive. The dimensions will be imperial (inches) which may or may not be an issue for you. I am sure others will provide good advice.
Details can be found at www.stuartmodels.com.
Good luck with you search & please date us with your endeavours.
Regards
Ian
ooyah/2:
--- Quote from: Moxis on June 13, 2018, 07:14:32 am ---I am considering building a nice small two cylinder steam engine to power a small open launch. Marcher being considered as a very prominent engine, I wonder if there are any other simple, easy to make and to use engines available? I have a lathe and milling machine at my hobbyroom, so machining of the parts is possible, but don't have very much experience about accurate machining. Of course the easiest way would be to buy a kit or even a ready assembled engine, but being a retired person I just cannot afford the prices asked of them.
--- End quote ---
Hi Moxis,
Ian has just pipped me to the post, like him I would recommend the Stuart Turner "Oscillating V Twin " The Marcher engine requires very accurate machining and boring which may be beyond your capability at present.
The "V" twin has plenty of power at 35 p.s.i. and is controllable in Forward, Reverse and speed control with 1- servo.
George.
Moxis:
Thank you Ian and George. The Stuart 7V looks really very promising. So far I have thought a "real" two cylinder engine with Stephenson control and not an oscillating one, but you might be right that it needs too much accurate machining for my skills. I have to consider that very seriously.
ooyah/2:
--- Quote from: Moxis on June 14, 2018, 07:23:55 am ---Thank you Ian and George. The Stuart 7V looks really very promising. So far I have thought a "real" two cylinder engine with Stephenson control and not an oscillating one, but you might be right that it needs too much accurate machining for my skills. I have to consider that very seriously.
--- End quote ---
Moxis,
The 7V is a fairly new engine for Stuart Turner and as far as I know there has not been anybody who has done a build thread, it's very pricy at £390 + 20% V.A.T which is more than 3x the price of the "V" twin Oscillator, but it's up to you which engine you go for.
Best of luck.
George.
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