Metallica

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Metallica Construction Sets

Metallica was a construction system very similar to Eitech Construction. It was made in China by an unknown manufacturer and is therefore classified as a 'Polylong(1a)' type system. It was distributed in the UK by the Ackerman Group plc, London E4 9JB in 2002 and maybe for a few years afterwards.

Manufacturer / Distributor

Made in China
Distributed in the UK by - Ackerman Group plc, London

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Info from the Metal Constructional Systems Database for POLYLONG [1a] (Ref:PLY1a)

Maker

System Type
as EITECH/CONSTRUCTION

Country
China

Dates
2004 to in production in 2022 and continuing

Material
Steel

Thread
M4

Boss Type
push fit

Boss Thread
----

Diametrical Pitch of Gears
25 (see comment *¹)

No. of Parts in System
50 (approximately)

Hole Pitch (Spacing) (mm)
10.0

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

Diameter of the Bore in Bosses(mm)
---

Diameter of Axle Rods(mm)
4.0

Types of Nuts and Bolts
Nuts: hexagonal
Bolts: pan (crosshead)

Material/Finish of Nuts and Bolts
Steel with a Bright Zinc plated finish

Size of the Nuts across Flats (mm)
6.9

Bolt diameter (mm)
6.5(see comment *³)

Comments
Various Sets (see separate list) from one or more unknown Chinese makers. Most parts as Eitech/Construction but some others. *¹ Mod.1 & finer for Motor/Gear Unit.. *² Square holes in some RCEE sets. *³ 6.1 & 7.4 also reported.

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

NOTE : If the 'Other Systems Newsletter' pages for POLYLONG [1a] do not appear in the window below, then refresh the page.

The report can be zoomed into, made full screen or downloaded as a pdf document by using the controls provided

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