Buco

'Other' Construction and Allied Systems Downloads

Buco Ingenieur (Engineer) Construction Sets

The Buco Ingenieur construction system used wooden strips and plates held by steel brackets. It was made in Switzerland from around 1943 to 1950.

Info from the Metal Constructional Systems Database

Maker

System Type
Hole pitch >12.7mm

Country
Switzerland

Dates
circa 1943 to circa 1950

Material
Wood / Steel

Thread
5/32W

Boss Type
double-tapped

Boss Thread
5/32W

Diametrical Pitch of Gears
--

No. of Parts in System
41

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

Diameter of holes in Strips(mm)
4.1 (see comment *²)

Diameter of the Bore in Bosses(mm)
4.1

Diameter of Axle Rods(mm)
4.0

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

Material/Finish of Nuts and Bolts
Brass with a Brass finish

Size of the Nuts across Flats (mm)
7.0

Bolt diameter (mm)
6.0

Comments
English name used in multi-lingual Manual. Wooden Strips & Plates held by steel Brackets. *¹ In wood parts; varies in metal, often 8.75. *² 4.2 in metal Brackets.

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

A leaflet showing the parts that make up the Buco Ingenieur construction system (multi language)
(Scans from Urs Flammer)

A manual for Buco set 1-3 (in German and French)
(Scans from Urs Flammer)

The Swiss patent for the Buco Ingenieur construction system
(Scans from Urs Flammer)

Various photos of the Buco construction system
(Scans from Urs Flammer)