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
AIRPLANE F-3
In our city of Kingisepp there was a gliding club ROSTO, where I worked as a pilot instructor since 1996. The club had two light aircraft and four gliders. But they were all far from new....
MiG-23: a THIRD-GENERATION FIGHTER
In July 1967 a new Moscow Domodedovo airport held a Grand air show dedicated to the fiftieth anniversary of the Oct. He is Pro-plagued an unforgettable impression on thousands of...
