'Other' Construction and Allied Systems Info & Downloads

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


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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The report can be zoomed into, made full screen or downloaded as a pdf document by using the controls provided


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


A Wema manual
(Scans from Urs Flammer)

A Wema manual for sets A and B
(Scans from Urs Flammer)

Various photos of the Wema construction system
(Photos from Urs Flammer)