'Other' Construction and Allied Systems Downloads

Hersa Construction Sets

Hersa was a simple Meccano-like construction system made mainly out of aluminium. It was produced in Germany around 1947.


Info from the Metal Constructional Systems Database

Maker
 
System Type
Hole pitch <12.7mm
Country
Germany
Dates
known in 1947 (see comment *1)
Material
Aluminium (Alloy) (see comment *2)
Thread
M3
Boss Type
eyelet
Boss Thread
---
Diametrical Pitch of Gears
--
No. of Parts in System
21
Hole Pitch (Spacing) (mm)
8.0
Diameter of holes in Strips(mm)
3.2
Diameter of the Bore in Bosses(mm)
 
Diameter of Axle Rods(mm)
--- (Screwed Rods or Bolts are used as axles.)
Types of Nuts and Bolts
Nuts: hexagonal
Bolts: cheese (slotted)
Material/Finish of Nuts and Bolts
Steel with a Steel finish
(see comment *3)
Size of the Nuts across Flats (mm)
6.0
Bolt diameter (mm)
5.5

Comments
Parts include Strips to 15 holes, 5x9h Flanged Plate, 4 & 5 holes long Double Angle Strip, 5 holes diameter Disc with rings of 4 &12 holes. Lid has small boy with large Windmill. *1 from 8.47 manual Print Ref. *2 Steel Loose Pulleys. *3 Bolts plain brass.

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


A Hersa manual for set 2 dated 1947
(Scans from Urs Flammer)

Various photos of the Hersa construction system
(Scans from Urs Flammer)