For the last few months I've been busy scratch building a 1/25th scale replica of a gravel (rock) crusher. Using pictures and measurements from some surviving machines as well as some drawings from the patent office. Here is a bit of history behind the model.
From the mid 30's to the mid 50's Tom Sandy built approximately 25 of these gravel crushers at his shops in Goderich Ontario. The unique design was patented by Mr. Sandy. These units were very popular with the local contractors in Western Ontario. Several of these old crushers still survive today and a few are still in operation. Since my uncle and later his sons owned and operated one of these locally made machines I decided I should build one. Construction models are one of my favourite subjects, but to get them in 1/25th scale you usually have to scratch build.
I hope you enjoy the finished product as much as I did building it.
Most of the parts were made from Evergreen structural plastic and Plastrut checker plate. The conveyor uses Plastrut trusses as well. The engine is a resin model that came in the back of a SpeCast 37 ford pickup. All the pulleys are scratch built as well. For belts I used 6 an 10 mm elastic. The conveyor belt is 13 mm satin ribbon. Most of the round stock has been turned from plastic knitting needles. The screen is made from window screen. The belly pan is an aluminum press plate
The paint is mostly Badger and Tamiya weathering colours
Thanks for looking
Carl