Document Overview: This technical document appears to detail specifications and measurements related to a mechanical boom system, including various versions, weights, dimensions, and folding mechanisms.

1. Boom Versions and Weights

• Multiple boom versions are listed with corresponding weights:
• Version 18: 4500 kg (4.5 mt)
• Version 20: 5000 kg (5.0 mt)
• Version 21: 5150 kg (5.15 mt)

2. Dimensions by Version

• Dimension data is provided for each version:
• Version 18: 1780 mm
• Version 20: 1990 mm
• Version 21: 2160 mm

3. Transport and Connection Specifications

• Transport mode dimensions and connection dimensions are specified, including a connection dimension of 50 mm and a transport dimension of 1315 mm.

4. Folding Mechanisms

• Lateral intermediate closure and lateral first arm folding are mentioned, indicating mechanisms for compact storage or transport.
• Lateral outer wing folding is also referenced, suggesting additional folding features for the boom.

5. Boom Nozzles

• Different boom nozzle versions are listed with associated measurements:
• Version 16: 4644 mm
• Version 18: 4844 mm
• Version 20: 4954 mm
• Version 21: 4105 mm

6. Additional Notes

• The document includes references to specific codes or part numbers such as "MEC 18-20-21" related to boom measurements and transport.
• Angles such as 20° are mentioned, possibly relating to boom articulation or positioning.

Summary: The document provides detailed technical specifications for various versions of a boom system, focusing on weight, dimensions, folding mechanisms, and transport considerations. Key parameters include boom weights ranging from 4.5 to 5.15 metric tons, dimensions from approximately 1780 mm to 2160 mm, and specific folding features for lateral arms and wings to facilitate transport and storage.