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Products | Theory of Machines and Properties of Materials | Statics | FL 111

FL 111

Basic Roof Truss

Technical Description

Using this table-top unit, the resolution of forces and analysis of the distribution of forces in simple frameworks can be demonstrated. The unit comprises three members that are joined together using discs such that the joints are free to move. One of the members is available in three different lengths so that the angle between the members can be adjusted. The members engage in the discs using snap action connections. Two of the discs also form the bearings and are clamped to the strong base frame made of aluminium section. One of the discs is designed as a self-aligning support. A weight carrier is hung on the framework to provide a defined load. The forces are measured using mechanical displacement gauges connected to leaf springs, these are fitted in the middle of the members.

Learning Objectives / Experiments

· Determination and calculation of the member forces at varying angles be-tween the members:
- 60° - 60° - 60°
- 45° - 90° - 45°
- 30° - 120° - 30°
- 30° - 30° - 120°

Features

· Demonstration of simple resolution of forces and analysis of the distribution of forces in simple frameworks

Alternative products

SE 110.21 -- Experimental Set Forces in a Truss

Specification

[1] Table-top experiment for resolving forces and analysing their distribution in simple frameworks
[2] Number of nodes and members: 3
[3] Length of members: 440, 622, 762mm
[4] Node angle: 30°, 45°, 60°, 90°, 120°
[5] Dial gauge: 0...10mm
[6] Set of weights: 10...50N
[7] l x w x h 900x200x600mm

Technical Data

Number of nodes and members: 3
Length of members: 440, 622, 762mm
Node angle: 30°, 45°, 60°, 90°, 120°
Dial gauge: 0...10mm
Set of weights: 10...50N

Dimensions and Weight

l x w x h : 900 x 200 x 600 mm
Weight : approx. 15 kg

Scope of Delivery

1 frame, 3 members, 3 node discs, 3 dial gauges, 1 set of weights, 1 instruction manual

Order Details

021.11100 FL 111 Basic Roof Truss