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Pontifex

Pontifex was a construction system where on many of the shallow channel Girders, strips and plates the holes were in groups of three. It was made in Germany after World War Two.

Manufacturer / Distributor

An unknown company from Germany

Info from the Metal Constructional Systems Database for PONTIFEX (Ref:PFX)

Maker
 
System Type
Hole pitch <12.7mm
Country
Germany
Dates
after World War Two
Material
Steel / Aluminium (Alloy)
Thread
M4
Boss Type
no boss
Boss Thread
----
Diametrical Pitch of Gears
--
No. of Parts in System
24
Hole Pitch (Spacing) (mm)
10.0 (multiples of value shown, including half.)
Diameter of holes in Strips(mm)
4.3
Diameter of the Bore in Bosses(mm)
---
Diameter of Axle Rods(mm)
4.0
Types of Nuts and Bolts
Nuts: square
Bolts: hexagonal (slotted)
(see comment *1)
Material/Finish of Nuts and Bolts
Steel with a Dull plated finish
(see comment *2)
Size of the Nuts across Flats (mm)
7.3(mean)
Bolt diameter (mm)
6.8

Comments
Bridges & other models from shallow Channel Girders, Strips, Plates. Holes often in groups of 3. *1 Hex Nuts also reported. Some Bolts slotted cheesehead. *2 Some may have brass finish.

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

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Pages from the 'Other Systems Newsletter' which contain information on this system are shown below. They can also be downloaded to your computer if desired here

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

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


Instruction manual for a Pontifex set
Added 28/10/23

An example model from the Pontifex instructions
Added 23/03/21

A photo of some Pontifex parts
Added 23/03/21

Page content last updated - 28th October 2023