'Other' Construction and Allied Systems 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.

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)