Konstruktor(3-27)

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Konstruktor(3)(Constructor(5)) / Konstruktor(27)

and other similar systems

Konstruktor(3) and some other Ukrainian systems together with Konstruktor(27) from Belarus were virtually identical metric constructional systems. Both the parts (made from aluminium) and the manual models were very similar and in many cases identical. The Constructor(5) system is the same as Konstruktor(3). For some reason some Konstruktor(3) sets were given the English name of Constructor instead of the Russian Конструктор (Konstruktor) - maybe for export after the split up of the old USSR. The manuals always had Конструктор on them.

Konstruktor(3) was made in Kharkov (Ukraine) from at least 1956 to (probably) the present day. In 1956 it was made by the Kharkov Tractor Plant (Харьковский тракторный завод). By 1969 it was made by the 8th State Bearing Plant, Kharkov (8-й Государственный подшипниковый завод, Харьковский). By 1991 it was made by the Kharkov Instrument-Making Plant named after Shevchenko (Харьковский приборостроительный завод имени Шевченко). After that manufacture changed yet again and the later manuals which have been seen have no indication of manufacturer. Note the text on some of the recent sets 'Купуй українське' (Buy Ukrainian). This will refer to recent conflict and tension between the Ukraine and Russia.

Note that in the name of some of the sets below Октябренок (Oktyabrenok) was the name given to a Russian Communist youth organization with members between the ages of 8 and 10 and Пионер (Pioneer) was the name given to a Russian Communist youth organization with members between the ages of 10 and 15.

A virtually identical system was also made by the Oleksandriya Electromechanical Plant in the Ukraine (Александрийский электромеханический завод). Its date is currently unknown. For simplicity I am including this under Konstruktor(3).

In addition more sets from the same unknown manufacture dated 1975 and 1985 has been found. The only indication is that the printer was from Bila Tserkva in the Ukraine. For simplicity I am also including this under Konstruktor(3).

Konstruktor(27) was made in the Minsk factory "Caliber" in Belarus (Минский завод “Калибр”) from at least the late 1970s to the late 1980s. As this is from a different country I have given it a system name.

Konstruktor(3)(Constructor(5))

Manufacturer / Distributor

Kharkov Tractor Plant
By 1969: 8th State Bearing Plant, Kharko, Ukraine
By 1991: Kharkov Instrument-Making Plant named after Shevchenko
Very similar sets from Oleksandriya Electromechanical Plant, Ukraine and from Bila Tserkva (Белая церковь), Ukraine

Info from the Metal Constructional Systems Database for KONSTRUKTOR [3] (Ref:KNR3)

Maker

System Type
Hole pitch <12.7mm

Country
Russia

Dates
1975 to known in 1989

Material
Aluminium (Alloy)

Thread
M4

Boss Type
double-tapped

Boss Thread
M3 (see comment *¹)

Diametrical Pitch of Gears
--

No. of Parts in System
48

Hole Pitch (Spacing) (mm)
10.0

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

Diameter of the Bore in Bosses(mm)

Diameter of Axle Rods(mm)
3.9

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

Material/Finish of Nuts and Bolts
Steel

Size of the Nuts across Flats (mm)
6

Bolt diameter (mm)

Comments
Compare with SONNEBERGER. Later sets called CONSTRUCTOR, *¹ May be M4 in some sets. *² 4.5 also reported & some holes 5.3.

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

NOTE : If the MCS document does 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

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 KONSTRUKTOR [3] 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

Manufacturer / Distributor

Info from the Metal Constructional Systems Database for CONSTRUCTOR [5] (Ref:CNR5)

Maker

System Type
Hole pitch <12.7mm

Country
Ukraine

Dates
1992 to known in 1999

Material
Aluminium (Alloy) (see comment *¹)

Thread
M4

Boss Type
double-tapped

Boss Thread
M3

Diametrical Pitch of Gears
--

No. of Parts in System
48

Hole Pitch (Spacing) (mm)
10.0

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

Diameter of the Bore in Bosses(mm)
4.1

Diameter of Axle Rods(mm)
3.9

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

Material/Finish of Nuts and Bolts
Steel with a Black metallic finish

Size of the Nuts across Flats (mm)
6.9

Bolt diameter (mm)
6.8

Comments
Lid has 2 models working with 2 trucks. Probably followed KONSTRUKTOR [3]. *¹ some of main parts in some sets steel. *² some holes 5.3.

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 CONSTRUCTOR [5] 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

Below there are manuals/leaflets for Konstruktor(3) which can be downloaded by clicking on the appropriate image.

A Konstruktor(3) set manual from 1956.

Photos of a Konstruktor(3) set from 1956.

Photos of a Konstruktor(3) Октябренок (Oktyabrenok) set from 1973.

Photos of a Konstruktor(3) Октябренок (Oktyabrenok) set from 1979.

Photos of a Konstruktor(3) Октябренок (Oktyabrenok) set from 1984.

A Konstruktor(3) Октябренок (Oktyabrenok) set manual from 1989.
(Replaced 20/02/2021)

Photos of a Konstruktor(3) Октябренок (Oktyabrenok) set and its parts from 1989.

A Konstruktor(3) Пионер (Pioneer) set manual from 1969.

Photos of a Konstruktor(3) Пионер (Pioneer) set.
(Added 20/02/2021)

A Konstruktor(3) Пионер (Pioneer) set manual from 1989.
(Added 20/02/2021)

A photocopy of a Konstruktor(3) Пионер (Pioneer) set manual from 1995.

A Konstruktor(3) set manual from 1970.

Photos of a Konstruktor(3) set from 1970.

A Konstruktor(3) set manual from 1981.

Photos of a Konstruktor(3) set from 1981.

A Konstruktor(3) set manual from 1991.
(Replaced 20/02/2021)

Photos of a Konstruktor(3) set
(More added 20/02/2021)

A Konstruktor(3) set manual. No indication of date or manufacturer, but probably in the last ten years of so. This manual has some an interesting anomaly. It shows some models built from flanged plates with two flanges, whereas the parts contents list and all the other models show flanged plates with four plates. Is this a transition set or merely an error in copying models from other manuals belonging to other systems as these models have been seen in other systems?

Photos of a Konstruktor(3) set 1 dating to the mid to late 2010s .

Photos of a Konstruktor(3) set 2 dating to the mid to late 2010s .

Photos of a Konstruktor(3) set 4 dating to the mid to late 2010s .

Photos of a Konstruktor(3) set 5 dating to the mid to late 2010s .

A manual for a Konstruktor(3) set manufactured in the Oleksandriya Electromechanical Plant in the Ukraine (Александрийский электромеханический завод). Its date is currently unknown.

Photos of a Konstruktor(3) set manufactured in the Oleksandriya Electromechanical Plant in the Ukraine (Александрийский электромеханический завод). Its date is currently unknown.

Photos of a Konstruktor(3) set dated 1978 manufactured in Bila Tserkva, Ukraine.

A manual for a Konstruktor(3) set dated 1985 manufactured in Bila Tserkva, Ukraine. Note that this is the manual shown in the Konstruktor(3) MCS document above.