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
NOT COVER AND TOOL
This lightweight wire holder pyramidal cascade form is used by Housewives in the kitchen for neat storage bucket and skovorodnem caps. However, it can do a good service and the owner, in...
DELTA-WING ON THE ROCKET PLANE
If you flip the binder "M-K" for a few years, then they will have a lot of materials about models of aircraft raketoplana scheme. But... time goes on and the situation changes. Three or...
