waterloo traction engine .29 scale

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We started a groop build a waterloo 25 HP side mount
The reason for the scale is a 10 inch pipe works out to boiler diameter so scaling the rest from there IMG_20190825_181113.jpg IMG_20191124_133043.jpg
 
Governor pattern and partly machined casting and cylinder head
 

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Think I'm getting better at this the last crank and govenor
Also the steam chest cover I burnt the sand of first way softer irion
 

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We are working from a friends full-size engine
5 of us are building them
The drawings I am making up as well as the patterns

As for the casting it is iron
We use an a10 or an a 20 crucible depending on what we are going to poor
I use green sand and spay it with graphite and alcohol
Helps with the chill and the finish of the casting
The foundry is fire on oil
 
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