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Ledom Construction Sets
and
Model Engineering Construction sets

Ledom and Model Engineering were alternative names for the same construction system using rods pushed into clips. It was made in New Zealand, from 1945 to 1949.


Manufacturer / Distributor

Frederick Coats, 24 Olivier Road, Linwood, Christchurch, New Zealand


Info from the Metal Constructional Systems Database for LEDOM

Maker
 
System Type
Mainly Rods/Tubes
Country
New Zealand
Dates
1945 to 1949
Material
Steel / Brass
Thread
5/32W
Boss Type
double-tapped
Boss Thread
5/32W
Diametrical Pitch of Gears
--
No. of Parts in System
21 (see comment *1)
Hole Pitch (Spacing) (mm)
6.35 (see comment *2)
Diameter of holes in Strips(mm)
4.0 (see comment *3)
Diameter of the Bore in Bosses(mm)
3.3 (see comment *4)
Diameter of Axle Rods(mm)
3.3
Types of Nuts and Bolts
Nuts:
Bolts:
Material/Finish of Nuts and Bolts
 
Size of the Nuts across Flats (mm)
Bolt diameter (mm)
 

Comments
Also called MODEL ENGINEERING. Couplings/Clamping Brackets join Rods. *1 Set 0, Set 2 exists. *2 In Couplings. *3 In Brackets. *4 In Couplings.

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



Manufacturer / Distributor

Frederick Coats, 24 Olivier Road, Linwood, Christchurch, New Zealand


Info from the Metal Constructional Systems Database for MODEL ENGINEERING

Maker
 
System Type
Mainly Rods/Tubes
Country
New Zealand
Dates
1945 to 1949
Material
Steel / Brass
Thread
5/32W
Boss Type
double-tapped
Boss Thread
5/32W
Diametrical Pitch of Gears
--
No. of Parts in System
21 (see comment *1)
Hole Pitch (Spacing) (mm)
6.35 (see comment *2)
Diameter of holes in Strips(mm)
4.0 (see comment *3)
Diameter of the Bore in Bosses(mm)
3.3 (see comment *4)
Diameter of Axle Rods(mm)
3.3
Types of Nuts and Bolts
Nuts:
Bolts:
Material/Finish of Nuts and Bolts
 
Size of the Nuts across Flats (mm)
Bolt diameter (mm)
 

Comments
Similar or identical to LEDOM. Couplings/Clamping Brackets join Rods. *1 In Set 00, Set 2 exists. *2 In Couplings. *3 In Brackets. *4 In Couplings.

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


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