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
TIMER “JUNIOR”
Floating timer... One of the most complex and controversial requirements to the technology requirements of the class of models of free flight. A complicated structure, powerful power...
LOOP IN A HURRY
Simple and reliable, and if necessary, split the loop turns out of the three bent as shown, metal plates and nail as their axis. The purpose of such loops can be very different. For...
