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Alpha(1) Construction Sets

Alpha(1) was a Meccano like construction system with many parts very similar to 1950s Meccano and a 12.7mm hole spacing. It was produced in China from around 1954 to (probably) the 1960s.


Manufacturer / Distributor

Alpha Construction Toys, Shanghai, China


Info from the Metal Constructional Systems Database for ALPHA [1]

Maker
 
System Type
Certain Chinese
Country
China
Dates
after 1954 (see comment *1)
Material
Steel
Thread
5/32W
Boss Type
double-tapped
Boss Thread
5/32W
Diametrical Pitch of Gears
--
No. of Parts in System
53
Hole Pitch (Spacing) (mm)
12.7
Diameter of holes in Strips(mm)
4.3
Diameter of the Bore in Bosses(mm)
4.2
Diameter of Axle Rods(mm)
4.0
Types of Nuts and Bolts
Nuts: square
Bolts: round (slotted)
Material/Finish of Nuts and Bolts
Steel with a Brass finish
Size of the Nuts across Flats (mm)
6.5
Bolt diameter (mm)
6.8

Comments
Parts like 50's MECCANO except Flanged Sector Plate 7 holes long, 7 holes 126,a & MÄRKLIN type Hook. *1 Some manual models from MECCANO 1954-61 period.

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


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


A manual for an Alpha(1) No.1 set (of 1 to 7), in English and Chinese
(Added 21/02/2021)

A photo of an Alpha(1) No.1 set
(Added 21/02/2021)