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
SHOVEL TONGS…
When transplanting seedlings it is necessary to forge a small hole. A regular shovel is too big. Very convenient for this will be shovel-tongs, which can be manufactured from pipe...
“KON-TIKI” — OCEANSKY SHIP
Who as a child cut out of pine bark boat to explore the journey through the ringing in spring Creek? But a boy's latent desire to build a model ship from the bark repeats the thought of...
