The lightest three-layer plate with a honeycomb filler can be obtained, if you use this hint. The middle layer is empty matchboxes glued in a checkerboard pattern, for example, the sheet of hardboard and then covered with another sheet of paper, also greased with glue.
Recommend to read
THE FLOAT IN THE TANK
Usually in the cistern of the toilet in an actuator of a shutoff valve on the lever set hollow plastic float. If its integrity is violated, it fills with water and stops working. As a...
TWO FIGHTING WING
Developed in the circle of aircraft modeling station of young technicians of the city of Berezniki of the Perm region and the following proposed model of "air combat" is designed for...