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Bert

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Reply with quote  #1 
I was wondering what people here thought about using either springs or spring loaded hinges to keep a screen tight such as for a zero pass collector.

Is there any advantages for using springs over a manual adjustment such as to tighten a bolt/nut attached to the screen from the ends?

zp-screen-tight-bolt2.jpg    

The springs could possible keep the screen tight over time if the screen stretches out. Of course the spring may weaken also over time.

Curious as to what you think.





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Bert K.
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gbwillson

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Reply with quote  #2 
Bert-

If your screens are being stretched so tight that you were out the springs, your screen likely will explode from the tension. [biggrin]

I think either tensioning method would work fine, although springs of some sort makes it so you likely never have to worry about the tension once installed. With manual tensioning, you have to make sure each adjustment screw has the same number of turns. You might also have visually check the screen tension by sticking your phone camera up through a manifold duct. 

How many screws or bolts would need to protrude out the end for proper side-to-side tensioning? I think you could make the protrusions watertight if you were to use a nylon lock washer or something similar.

Greg in MN
Bert

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Reply with quote  #3 
This looks interesting but may be overkill.

torq-spring.jpg    
I think that this may work better;
spring.jpg 


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Bert K.
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