Yunyi Umlets

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Yunyi Umlets (Юный умелец)

Yunyi Umlets (Young Craftsman) is a construction system similar to Merkur. It was made in Russia by the Leningrad Engineering Association Karl Marx. Volcano Plant (Ленинградское машиностроительное объединение им. Карла Маркса. Завод ВУЛКАН.).

Manufacturer / Distributor

Leningrad Engineering Association Karl Marx. Volcano Plant, Leningrad, Russia
(Ленинградское машиностроительное объединение им. Карла Маркса. Завод ВУЛКАН.)

Info from the Metal Constructional Systems Database for YUNYI UMELETS (Ref:Y U)

Maker

System Type
MERKUR type

Country
Russia

Dates
known in 1982

Material

Thread
M3

Boss Type

Boss Thread
(see comment *¹)

Diametrical Pitch of Gears

No. of Parts in System
47 (see comment *²)

Hole Pitch (Spacing) (mm)
10.1 (see comment *³)

Diameter of holes in Strips(mm)
4.3 (see comment *⁴)

Diameter of the Bore in Bosses(mm)

Diameter of Axle Rods(mm)

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

Material/Finish of Nuts and Bolts

Size of the Nuts across Flats (mm)
`

Bolt diameter (mm)

Comments
MCS YMEAEU. *¹ May not be as N&B. *² May be +14 not illustrated in MCS. *³*⁴ MCS, but the drawings of the parts look exactly like MERKUR.

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