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
UNFORGETTABLE “FOUR HUNDRED AND EIGHTH”…
SOVIET CAR "MOSKVICH-408" ISSUED IN 1964. Youthful impressions sometimes impose their stereotypes on our lives. It's funny that the "Moskvich-408" has remained in my mind a real car, and...
“MARLIN” PULLS ANCHOR
With the best examples of technical creativity S. P. KOROVIN, designer from the city of Kumertau (Bashkortostan), readers of our magazine are already familiar. In the "photo stitch" (see...
