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(The) Iron Constructer
(The Practical) Iron Constructer and Demonstrator

(The) Iron Constructer was a very early system to make braced structures like bridges etc. using wooden plates and brass structural elements. It was made in the USA in around 1984. It was invented by Von Leistner and its patent was in 1895.

(The Practical) Iron Constructer and Demonstrator replaced (The) Iron Constructor in around 1985. It was very similar to the previous system. It was made by F. Wm. Rumpf, Architect & Engineer

(The) Iron Constructer

Manufacturer / Distributor

Rumpf and Von Leistner

Info from the Metal Constructional Systems Database for IRON CONSTRUCTER, THE (Ref:I C)

Maker
 
System Type
Non-Meccano type
Country
USA
Dates
1894 (see comment *1)
Material
Brass / Wood
Thread
 
Boss Type
no boss
Boss Thread
----
Diametrical Pitch of Gears
--
No. of Parts in System
10 (approximately)
Hole Pitch (Spacing) (mm)
Variable
Diameter of holes in Strips(mm)
1.8
Diameter of the Bore in Bosses(mm)
---
Diameter of Axle Rods(mm)
---
Types of Nuts and Bolts
Nuts: hexagonal
Bolts: See comment *2
Material/Finish of Nuts and Bolts
Brass with a Brass finish
Size of the Nuts across Flats (mm)
` 
Bolt diameter (mm)
(see comment *3)

Comments
Strips, etc with holes to allow braced frameworks to be made with Tie Rods, etc. *1 Also patented in 1894. *2*3 tappered cheese Bolt with thread on sides of leg only, to allow finger tightening.

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

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(The Practical) Iron Constructer and Demonstrator

Manufacturer / Distributor

F. Wm. Rumpf, Architect & Engineer, Paterson, New Jersey

Info from the Metal Constructional Systems Database for IRON CONSTRUCTER AND DEMONSTRATOR, (THE PRACTICAL) (Ref:ICD)

Maker
 
System Type
Non-Meccano type
Country
USA
Dates
1995
Material
Brass / Wood
Thread
2x
Boss Type
no boss
Boss Thread
----
Diametrical Pitch of Gears
--
No. of Parts in System
12
Hole Pitch (Spacing) (mm)
Variable
Diameter of holes in Strips(mm)
1.8
Diameter of the Bore in Bosses(mm)
---
Diameter of Axle Rods(mm)
---
Types of Nuts and Bolts
Nuts: round
Bolts: See comment *1
Material/Finish of Nuts and Bolts
Brass with a Brass finish
Size of the Nuts across Flats (mm)
` 
Bolt diameter (mm)
(see comment *2)

Comments
Development of THE IRON CONSTRUCTER with simplified parts. *1*2 tappered cheese Bolt with thread on sides of leg only.

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 IRON CONSTRUCTER AND DEMONSTRATOR, (THE PRACTICAL) 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.

Page content last updated - 23rd July 2022