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
ZIL-4104
The first Soviet Executive car was created in 1936 at the Moscow plant named after Stalin a team of designers under the direction of E. Vazhinsky. It was the ZIS-101 — seven-seater...
WHAT IS NOT “AUTOPILOT”!
Probably, many motorists familiar with this situation: after a continuous drive for a distance of 200 — 300 km of the right leg begins to resemble what it is and what it is time for her...
