'Other' Construction and Allied Systems Downloads

Tuba Construction Sets

Tuba is a constructional system using tubes and small plates. It was made in Germany in around 1933 to 1935.


Info from the Metal Constructional Systems Database

Maker
 
System Type
Mainly Rods/Tubes
Country
Germany
Dates
1933 (see comment *1) to known in 1935
Material
Steel / Wood
Thread
----
Boss Type
no boss
Boss Thread
----
Diametrical Pitch of Gears
--
No. of Parts in System
23
Hole Pitch (Spacing) (mm)
20.0
Diameter of holes in Strips(mm)
5.8 (see comment *2)
Diameter of the Bore in Bosses(mm)
5.9
Diameter of Axle Rods(mm)
5.5
Types of Nuts and Bolts
Nuts: --
Bolts: --
Material/Finish of Nuts and Bolts
--  --
Size of the Nuts across Flats (mm)
---
Bolt diameter (mm)
---

Comments
5.5mm Tubes joined with fold over Clips, Flex Plates, wood Pulleys held on Tubes by cone Clips. Coloured parts reported but probably not likely. Sold in United Kingdom '34-5. *1 Patent date. *2 In Flex Plates, no Strips.

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


The Tuba manual
(Scans from Jean-Pierre)

The Tuba UK patent.
(Scans from Urs Flammer)

The Tuba USA patent.
(Scans from Urs Flammer)

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