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Mountjoy Construction Sets

Mountjoy was a system very like Meccano. It was made in South Africa, in the 1970s and 1980s.

Manufacturer / Distributor

Mountjoy Products, Cape, South Africa

Info from the Metal Constructional Systems Database for MOUNTJOY

System Type
Very like Meccano
South Africa
1970s to 1980s
Boss Type
Boss Thread
Diametrical Pitch of Gears
No. of Parts in System
40 (see comment *1)
Hole Pitch (Spacing) (mm)
12.7 (probably)
Diameter of holes in Strips(mm)
Diameter of the Bore in Bosses(mm)
Diameter of Axle Rods(mm)
Types of Nuts and Bolts
Nuts: square
Material/Finish of Nuts and Bolts
Size of the Nuts across Flats (mm)
Bolt diameter (mm)

Unusual parts are 7 holes Trunnions, & fully perforated Flex (?) Plates: 3x11, 3x5, 5x5, 5x9h. Other parts include 7 holes Angle Girder, Formed Slotted Strip, 1st M187 Road Wheel. *1 At least.

The MCS document for this system is shown below. It 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

There are currently no manuals, leaflets or photos etc. available for downloading. If you can supply any, please get in contact with me.