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
FLYING WING “JUNIOR”
In our circle beginners-students who have gained initial skills training cord model engine MK-17, traditionally entrusted with the Assembly of models of air combat with the same...
The Il-102
After Sukhoi in an unspoken competition to build aircraft of the battlefield joined OKB S. V. Ilyushin. The main difference between the Il-102, su-25 table a second cockpit for the...
