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Boycoy Sets

Boycoy was a construction system which used rods held together by clamps It was made in the UK, in the late 1940s.

Manufacturer / Distributor

Boycoy Ltd., 95/97 Queensway, Bayswater, London, W2, UK

Info from the Metal Constructional Systems Database for BOYCOY (Ref:BCY)

Maker
 
System Type
Mainly Rods/Tubes
Country
United Kingdom
Dates
circa 1946 to 1949
Material
Steel
Thread
4BA
Boss Type
no boss
Boss Thread
----
Diametrical Pitch of Gears
--
No. of Parts in System
30
Hole Pitch (Spacing) (mm)
---
Diameter of holes in Strips(mm)
---
Diameter of the Bore in Bosses(mm)
6.5
Diameter of Axle Rods(mm)
6.35
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)
6.3
Bolt diameter (mm)
6.3

Comments
1/4" Tubes joined by J Clips, with U Clips for Axles etc.

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

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Pages from the 'Other Systems Newsletter' which contain information on this system are shown below. They 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/leaflets which can be downloaded by clicking on the appropriate image.


Instructions for a Boycoy set
Added 28/10/23

A drawing of Boycoy models
Added 28/10/23

Photos of a Boycoy set
Added 28/10/23

Page content last updated - 28th October 2023