'Other' Construction and Allied Systems Downloads

Der Kleine Konstrukteur(4) Construction Sets

Der Kleine Konstrukteur(4) was a simple Meccano-like Construction system with some special parts. It was produced in Germany in the 1920s.


Info from the Metal Constructional Systems Database

Maker
 
System Type
Hole pitch <12.7mm
Country
Germany
Dates
  (see comment *1)
Material
Steel / Aluminium (Alloy) (see comment *2)
Thread
M3,M4 (see comment *3)
Boss Type
tapped
Boss Thread
M3
Diametrical Pitch of Gears
--
No. of Parts in System
23
Hole Pitch (Spacing) (mm)
11.9
Diameter of holes in Strips(mm)
4.0(See comments *4)
Diameter of the Bore in Bosses(mm)
 
Diameter of Axle Rods(mm)
4.0
Types of Nuts and Bolts
Nuts: hexagonal
Bolts: cheese (slotted)
(see comment *5)
Material/Finish of Nuts and Bolts
Steel with a Steel finish
(see comment *6)
Size of the Nuts across Flats (mm)
6.2
Bolt diameter (mm)
 

Comments
One unnumbered set seen with boy & Big Wheel on yellowish lid. One or two special/unusual parts eg Fairground Seat. *1Possible pre-WW2, even '20s. *2Few aluminium. *3M4 only on Rod ends. *4A few 4.1. *5M4: Square Nuts only. *6M4: plain brass.

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


Some Der Kleine Konstrukteur(4) model sheets
(Scans from Urs Flammer)

Various photos of the Der Kleine Konstrukteur(4) construction system
(Scans from Urs Flammer)