I have 16 DPI gear cutters 14-1/2° pressure angle. I am making a model tractor that the author specifies 48 DPI 14-1/2°pressure angle.
Can I substitute my 16DPI for the 48DPI ? I have only cut gears twice.
mike
I am attempting to build a small scale boiler . The boiler is 1-1/2" ID buy 8" long.
It will run at 30 PSI and test at 60 PSI. I am wondering if bronze can be substituted for copper. Only for the front and back heads and several bushings. The boiler itself is copper.
I would like to make the...
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