'Other' Construction and Allied Systems Info & Downloads

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


Info from the Metal Constructional Systems Database

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.