Thin-walled tube of soft metal when you try to bend often creased. To avoid this, they are usually pre-stuffed with sand.
With the same purpose, you can use another method: navit on the future site of bend copper or aluminum wire – turns will not allow the tube to wrinkle at the bend.
The same result can be achieved using a suitable inner diameter of the spring.
Recommend to read
C-27J
A cargo aircraft C-27J "Spartan" set up jointly by the Italian company "Alenia Arepas" and the American "Lockheed". Its predecessor—the Italian light military transport aircraft G. 222",...
THROUGH THE BOTTLE INTO THE TANK
We tend to get rid of things that seem useless. But they say there are no rules without exceptions. Some items can be useful and after using them for their intended purpose. For example,...
