She can endure tough ground, not falling in the ground the roots of weeds or shrubs — it is all easily overcomes the simple improvement consisting in that its working edge is jagged with a hacksaw and a file. Such a blade bayonet greatly facilitates the work.
Recommend to read
AND AGAIN NUTRIT
On the mechanisms used to its movement due to inertia of the rotating imbalances of the journal "modelist-Konstruktor" wrote more than once (see number 5 and 12 for 1975, No. 6 1976, No....
ATLAS PROFILES
PROFILE "NACA-6409". Developed in the early 30-ies in the aerodynamic laboratory of the NAC (USA) for lifting aircraft-biplanes. This profile can be recommended as models of gliders...
