MWK

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MWK Construction Sets

MWK was a Meccano-like system with several unusual shaped plates. It was made in Germany, in the late 1940s.

Manufacturer / Distributor

MWK - MetallWerkstätten Kronach, Bavaria, Germany

Info from the Metal Constructional Systems Database for MWK

Maker

System Type
Hole pitch <12.7mm

Country
Former East Germany

Dates
after World War Two to circa 1950 (some significant doubt)

Material
Aluminium (Alloy) / Steel (see comment *¹)

Thread
M4

Boss Type
no boss

Boss Thread
----

Diametrical Pitch of Gears
(see comment *²)

No. of Parts in System
36 (approximately)

Hole Pitch (Spacing) (mm)
12.1 (see comment *³)

Diameter of holes in Strips(mm)
4.1 (see comment *⁴)

Diameter of the Bore in Bosses(mm)
(see comment *⁵)

Diameter of Axle Rods(mm)
(Screwed Rods or Bolts are used as axles.)

Types of Nuts and Bolts
Nuts: hexagonal
Bolts: tapered cheese (slotted)

Material/Finish of Nuts and Bolts

(see comment *⁶)

Size of the Nuts across Flats (mm)
7

Bolt diameter (mm)

Comments
Pts including Perforated Plate(s) 3x7,11 holes & 7x11,25h; Trapezoidal Plate(s) with 3,5,7 holes rows. Lid has Bridge spanning the globe. *¹May be aluminium or dark steel or a mix. *²2 coarse-toothed Gears. *³*⁴*⁵12.5, 4.3-4.8, 4.5 also reported. *⁶?B Nuts & ?F.

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Photos of a MWK set and part details.
(Added 23/03/2021)