'Other' Constructional and Allied Systems Info & Downloads

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Struct-O-Set
and
Triangle

Struct-O-Set and Triangle were very similar sets by the same manufacturer. It was an unusual construction system utilising triangular frames as the main constructional element along with plates and other parts. They were made in the USA in (probably) the late 1940s.


Struct-O-Set


Manufacturer / Distributor

Essington Metal Works, 209 Saude Avenue, Essington, PA, USA
Selling Agent: J.F. Sales Co., Mdeia, PA, USA


Info from the Metal Constructional Systems Database for STRUCT-O-SET

Maker
 
System Type
Non-Meccano type
Country
USA
Dates
late 1940s (some significant doubt)
Material
Steel
Thread
4-40
Boss Type
single-tapped
Boss Thread
4-40
Diametrical Pitch of Gears
--
No. of Parts in System
15 (approximately)
Hole Pitch (Spacing) (mm)
Variable
Diameter of holes in Strips(mm)
3.0 (see comment *1)
Diameter of the Bore in Bosses(mm)
3.2
Diameter of Axle Rods(mm)
3.2
Types of Nuts and Bolts
Nuts: hexagonal
Bolts: round (slotted)
Material/Finish of Nuts and Bolts
Steel with a Steel finish
Size of the Nuts across Flats (mm)
6.2
Bolt diameter (mm)
5.2

Comments
Similar to TRIANGLE, by same maker. Frame sides from Flanged Triangular Frames bolted together, spaced across by narrow Plates. *1 Also 3.2 for Axles.

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. of Struct-O-Set available for downloading. If you can supply any, please get in contact with me.


Triangle


Manufacturer / Distributor

The Triangle Co., Media, PA, USA
Later: Essington Metal Works, 209 Saude Avenue, Essington, PA, USA


Info from the Metal Constructional Systems Database for TRIANGLE

Maker
 
System Type
Non-Meccano type
Country
USA
Dates
1947 (see comment *1)
Material
Steel
Thread
4-40
Boss Type
single-tapped
Boss Thread
4-40
Diametrical Pitch of Gears
--
No. of Parts in System
20 (approximately)
Hole Pitch (Spacing) (mm)
Variable
Diameter of holes in Strips(mm)
3.0 (see comment *2)
Diameter of the Bore in Bosses(mm)
3.2 (mean)
Diameter of Axle Rods(mm)
3.1
Types of Nuts and Bolts
Nuts: hexagonal
Bolts: round (slotted)
(see comment *3)
Material/Finish of Nuts and Bolts
Steel with a Steel finish
Size of the Nuts across Flats (mm)
6.1
Bolt diameter (mm)
5.4

Comments
Frame sides from Flanged Triangular Frames bolted together, spaced across by narrow Plates. Similar to STRUCT-O-SET. *1 Copyright date. *2 Also 3.2 for Axles. *3 Square Nuts in Model Leaflet.

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. of Triangle available for downloading. If you can supply any, please get in contact with me.