Dynamics of Suspenders

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Hopefully that was an eye catching title :)

Now since I I have your attention; I am going to be suspending a large filtration (4' x 3' x 3') unit from a ceiling with 4 chains.

If the chains were splayed outwards instead of being vertical would it reduce the amount the unit swing about?
 
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Yes - but also increases the load on the fixings, as they will now also be pulled sideways.
 
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The extra tension apart. Anyone know if there are any guidelines (pun intended) to what is a reasonable compromise between aesthetics tension and movement. I was just thinking something like 10° off the vertical., but would that make any difference at all?
 
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Top of head - I think 45deg would be optimum point. But also a lot of side load.
10deg feels too small.
I would have gone for 20deg. (but this is gut feel).

But what is the drop (height from ceiling to top of filtration)?
As this is relevant, because if drop is too large then ceiling fixings get too close to each other and it starts to have spin instability.

And how secure are your ceiling fixings?
 
I'm thinking about 4 foot

2 foot above ceiling tiles to foot below. So it will be likely I can get some stabilising ties to the chains above the tiles.

I don't imaging it is going to be a major problem but just curious into how these problems are dealt with
 
The chains can also be sloped inwards. Advantage is the fixings to the ceiling are closer together and a rigid plate can be used to absorb the horizontal forces

no swing on chains.jpg
 
Use 4 vertical chains.

Then 4 diagonal chains, even 8 for both directions
 

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