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Buildo(1) Construction Sets

Buildo(1) was a Meccano-like construction system. It was made in the late 1940s in the USA. It can be split into two sub-periods. Buildo(1b) in 1945/6 using steel parts and Buildo(1a) from 1946 to after 1947 using aluminium parts.

Buildo(1b)


Manufacturer / Distributor

The Buildo Co., Minneapolis, USA


Info from the Metal Constructional Systems Database for BUILDO [1a]

Maker
 
System Type
Meccano principle but sig. differences
Country
USA
Dates
1946 to after 1947 (see comment *1)
Material
Aluminium (Alloy)
Thread
6-32
Boss Type
separate threaded boss (see comment *2)
Boss Thread
6-32
Diametrical Pitch of Gears
 
No. of Parts in System
40
Hole Pitch (Spacing) (mm)
12.7
Diameter of holes in Strips(mm)
3.7
Diameter of the Bore in Bosses(mm)
3.7
Diameter of Axle Rods(mm)
3.3 (see comment *3)
Types of Nuts and Bolts
Nuts: hexagonal
Bolts: pan (slotted)
(see comment *4)
Material/Finish of Nuts and Bolts
Brass with a Brass finish
(see comment *5)
Size of the Nuts across Flats (mm)
7.9
Bolt diameter (mm)
7.1

Comments
As BDO1b but aluminium parts. Also motor parts.*1Different maker post '47. *2 ¼"x20 single tapped threaded Hubs join Wheel/Pulley halves. *3 3.2, 3.6 also reported. *4 steel head on long Bolts. *5 Also: steel Nuts; dull plated steel mushroom head(s) Bolts, Bolt Head Diameter 5.5.

The MCS document for this system is shown below. It can also be downloaded to your computer if desired here

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


Buildo(1a)


Manufacturer / Distributor

An unknown company from


Info from the Metal Constructional Systems Database for BUILDO [1b]

Maker
 
System Type
Meccano principle but sig. differences
Country
USA
Dates
1945 to 1946
Material
Steel
Thread
6-32
Boss Type
separate threaded boss (see comment *1)
Boss Thread
6-32
Diametrical Pitch of Gears
 
No. of Parts in System
32
Hole Pitch (Spacing) (mm)
12.7
Diameter of holes in Strips(mm)
3.6
Diameter of the Bore in Bosses(mm)
 
Diameter of Axle Rods(mm)
3.4
Types of Nuts and Bolts
Nuts:
Bolts:
Material/Finish of Nuts and Bolts
 
Size of the Nuts across Flats (mm)
Bolt diameter (mm)
 

Comments
Steel parts, including 6 holes long Flanged Sector Plate, 5 holes diameter Flanged Disc, Eccentric, T-Brackets, Half Pulleys with special Hubs to fit in 6.35mm holes. Other details above may apply, *1 for example.

NOTE - This system is covered in the MCS document above, so it is not repeated.

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