'Other' Construction and Allied Systems Info & Downloads

Hoha Construction Sets

Hoha was a simple Meccano-like construction system. It was produced in Germany from the 1930s to the 1950s.


Info from the Metal Constructional Systems Database

Maker
 
System Type
Hole pitch >12.7mm
Country
Germany
Dates
1935 to 1950
Material
Steel
Thread
M4
Boss Type
single-tapped
Boss Thread
M3
Diametrical Pitch of Gears
--
No. of Parts in System
68
Hole Pitch (Spacing) (mm)
13.1 (see comment *1)
Diameter of holes in Strips(mm)
4.2 (see comment *2)
Diameter of the Bore in Bosses(mm)
4.1
Diameter of Axle Rods(mm)
4.0 (see comment *3)
Types of Nuts and Bolts
Nuts: hexagonal
Bolts: round (slotted)
Material/Finish of Nuts and Bolts
Steel with a Nickel plated finish
Size of the Nuts across Flats (mm)
7.0(see comment *4)
Bolt diameter (mm)
7.1

Comments
Rather flimsy bright nickel parts, with formed Bonnets, Loco parts, etc. 2 versions in 11/291. *1*2 As found; 13.1/4.1 & 13.0/4.6 reported. *3 Needs confirming, 3.5 also reported. *4 7.5 also possible.

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

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


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


A Hoha manual for sets 1-4
(Scans from Urs Flammer)

A Hoha brochure
(Scans from Urs Flammer)

A leaflet for Hoha
(Scans from Urs Flammer)

A leaflet for Hoha
(Scans from Urs Flammer)

A leaflet for Hoha
(Scans from Urs Flammer)

A parts list for Hoha sets
(Scans from Urs Flammer)

The German patent for Hoha
(Scans from Urs Flammer)

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