'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 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.