Wema

Wema Construction Sets

Wema was a construction system where the strips etc had alternate round and elongated holes. It was made in Germany from 1946 to 1948

Manufacturer / Distributor

J. Eberspacker, Esslingen/Necker, Germany

Info from the Metal Constructional Systems Database for WEMA

Maker

System Type
Hole pitch <12.7mm

Country
Germany

Dates
1946 to 1948

Material
Steel (see comment *¹)

Thread
M4

Boss Type
double-tapped

Boss Thread
M3

Diametrical Pitch of Gears
13

No. of Parts in System
64

Hole Pitch (Spacing) (mm)
10.0

Diameter of holes in Strips(mm)
4.2

Diameter of the Bore in Bosses(mm)
4.1

Diameter of Axle Rods(mm)
3.9

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

Material/Finish of Nuts and Bolts
Steel with a Brass finish

Size of the Nuts across Flats (mm)
8.0

Bolt diameter (mm)
6.5

Comments
Alternate holes & slots in Strips, Angle Girders. Large TRIX-style Worm. Gear mates with slots in side of large Flanged Disc. *¹ Some parts made from aluminium offcuts are mentioned in Baukästen.

The MCS document for this system is shown below. It can also be downloaded to your computer if desired here

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Below there are manuals/leaflets and photos which can be downloaded by clicking on the appropriate image.

A Wema manual
(Added 09/12/2018)

A Wema manual for sets A and B
(Added 09/12/2018)

Various photos of the Wema construction system
(Added 09/12/2018)