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Konstruktor Mekhanik(3)
Konstruktor Mekhanik(3) was a (probably) metric constructional system made mainly from aluminium. It was made in the Petrovsky Electromechanical Plant "Hammer", Petrovsk, Saratov Region, Russia (Петровского электромеханического завода «Молот», г. Петровск). It was later thought to be made by OJSC Tantal, Saratov (ОАО «Тантал» г. Саратов). It was made from at least the late 1970s to the mid 1980s.
Info from the Metal Constructional Systems Database for KONSTRUKTOR MEKHANIK [3]
Maker
System Type
Hole pitch <12.7mm
Hole pitch <12.7mm
Country
Russia
Russia
Dates
Material
Aluminium (Alloy)
Aluminium (Alloy)
Thread
M4
M4
Boss Type
single-tapped
single-tapped
Boss Thread
M3
M3
Diametrical Pitch of Gears
17 (see comment *1)
17 (see comment *1)
No. of Parts in System
45
45
Hole Pitch (Spacing) (mm)
10
10
Diameter of holes in Strips(mm)
4.3 (see comment *2)
4.3 (see comment *2)
Diameter of the Bore in Bosses(mm)
4.2
4.2
Diameter of Axle Rods(mm)
3.9
3.9
Types of Nuts and Bolts
Nuts: hexagonal
Bolts: round (slotted)
Nuts: hexagonal
Bolts: round (slotted)
Material/Finish of Nuts and Bolts
Steel with a Iridescent finish
(see comment *3)
Steel with a Iridescent finish
(see comment *3)
Size of the Nuts across Flats (mm)
7.9
7.9
Bolt diameter (mm)
6.8
6.8
Comments
Many parts similar to SONNEBERGER. *1 Mod 1.5. *2 Some holes in various parts 5.3 (instead of slotted holes). Nut plain aluminium.
Below there are manuals/leafets which can be downloaded by clicking on the appropriate image.
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