On a circular Pipa can not only dissolve a wooden Board in straight lines, but cut discs of any diameter from sheet material.
For this you need only do a simple device-a plywood plate, which is attached to the axis of the future drive. The axle is made of screw, a screw or even a nail of suitable diameter. How is “milled” disk – it is clear from the figure.
Recommend to read
THE SECRETS OF “TRAINS”
A lot can be called the factors contributing to the decline in the popularity of automodelisme among boys. The problem is not only with good engines, but even with fuel for training, the...
WAKE TAPE RECORDER
I designed a digital timer, which wrist watch, MONTANA, has a great standby time (up to 24 hours), good precision (the error is only a few seconds per day), simplicity, performance and...