The lock bolt is in the mailbox does not always withstand the encroachment of the feeder bullies. Too primitive its form is thin and the iron from which it is made.
But if you replace the stock bolt with steel plate cross-section 20×3 mm, bent as shown, so just the box, no one will open.
Recommend to read
MOTONARTY “DREAM”
Built by A. Baldin from the city of podporozhe Leningrad region. This is his fourth design, and, as he writes, the most successful. The car has an enviable maneuverability, decent speed....
WITH A MULTIMETER TO THE MOTOR
As in the previously published the console, the installation of its new version is "Welt" printed circuit Board foil fiberglass 83x35x1,5 mm. Used resistors — MLT, the capacitors C1 — C3...
