What if you need to draw a circle, and a compass at hand is not! To get out of this situation by making a simple compass of the bent and strapped to the pencil in the right place for a stylus pen, as shown in the figure.
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Many questions arise in the manufacture of superstructures of ships models. One of them was how exactly to bend the plastic sheet to the specified angle. Gluing the individual sheets...
V8-ENGINE FROM SCRATCH
V8-motor built in 1992 from scratch. All parts are constructed Soren Pedersen. Ø21мм pistons, hub 20 mm runs on ordinary gasoline with 1% oil. Video:
