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<blockquote data-quote="Per SÃ¸vik" data-source="post: 73261" data-attributes="member: 1285">Re: Another flying issueArt, Mark &amp; all, you are arguing this case based on false assumptions from an engineering point of view.Weight is relevant, the whole structure is in compression, the ratchet strap might very well be rated (probably at 2500 to 3000 lbs) and certified (allthough I doubt it), the welds look ok as far as we can tell etc. The structure looks sound from an engineering point of view, particularly given the light load it is obviously carrying.If you argue that it is not legal based on rules and regulations that state that certain thing have to be in a certain way, that is fine and I have no problem with that.Most of us are aware that lifting equipment have to follow certain standards, welds have to be certified, damaged equipment have to be scrapped, equipment have to undergo yearly inspections. There are sometimes uncertainties and ambiguities in respect of what constitutes lifting equipment and what is sourrounding structure, and some of us are obviously clueless as to specific regulations for the music and theatre industries both in other countries and sometimes even in our own country allthough we are familiar with the laws about safe working practices, internal control etc.</blockquote>

[QUOTE="Per SÃ¸vik, post: 73261, member: 1285"] Re: Another flying issue Art, Mark & all, you are arguing this case based on false assumptions from an engineering point of view. Weight [U]is[/U] relevant, the whole structure is in compression, the ratchet strap might very well be rated (probably at 2500 to 3000 lbs) and certified (allthough I doubt it), the welds look ok as far as we can tell etc. The structure looks sound from an engineering point of view, particularly given the light load it is obviously carrying. If you argue that it is not legal based on rules and regulations that state that certain thing have to be in a certain way, that is fine and I have no problem with that. Most of us are aware that lifting equipment have to follow certain standards, welds have to be certified, damaged equipment have to be scrapped, equipment have to undergo yearly inspections. There are sometimes uncertainties and ambiguities in respect of what constitutes lifting equipment and what is sourrounding structure, and some of us are obviously clueless as to specific regulations for the music and theatre industries both in other countries and sometimes even in our own country allthough we are familiar with the laws about safe working practices, internal control etc. [/QUOTE]

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