Allwrights Mechanical Producions

Allwrights Mechanical Producions Construction Sets

Allwrights Mechanical Producions was a simple Meccano-like construction system. It is thought to have been made prior to World War Two

Manufacturer / Distributor

An unknown company from United Kingdom

Info from the Metal Constructional Systems Database for ALLWRIGHTS MECHANICAL PRODUCTIONS

Maker

System Type
Hole pitch <12.7mm

Country
United Kingdom

Dates
before World War Two (some significant doubt)

Material
Aluminium (Alloy)

Thread
6BA (probably)

Boss Type
no boss

Boss Thread
----

Diametrical Pitch of Gears
--

No. of Parts in System
10

Hole Pitch (Spacing) (mm)
9.5 (see comment *¹)

Diameter of holes in Strips(mm)
3.1

Diameter of the Bore in Bosses(mm)
---

Diameter of Axle Rods(mm)
2.7 (see comment *²) (Screwed Rods or Bolts are used as axles.)

Types of Nuts and Bolts
Nuts: hexagonal
Bolts: cheese (slotted)

Material/Finish of Nuts and Bolts
Steel with a Nickel plated finish

Size of the Nuts across Flats (mm)
4.9

Bolt diameter (mm)
4.8

Comments
Unit sets with parts identical to CONSTRUCT but smaller range. Axle & N&B data from CONSTRUCT. *¹ 3/8" exactly. *² Crank Handle, no Axles.

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

An Allwrights Mechanical Producions instruction leaflet.