Common cause of puncture welcomer — acting limit switches rim spokes. A protective ring belts rubber, mounted on rims of plants-izgotovitelej, a little stretchy, but over time, harden and break.
A reliable replacement could be the same ring from an old inner tube from the “Lada”. They are cut on either side of the large diameter of the camera — it turns out two great strips with a width of 17 mm.
Recommend to read
LIKE CLOCKWORK
At roofing unlikely to lay the slate so that we never need to cut off, adjusting the size of the roof. And someone had to do it, you know what asbestos-cement sheet is not plywood, the...
ROCKET PLANE PILOT MENSHIKOV
He is still a pilot. Because I do not imagine myself without the sky. However, today the pilot He doesn't goes up to the sky at the controls of an aircraft in the air it shoots miniature...