Forums: Skydiving: Gear and Rigging:
Slider size, longer chord

 


Hellis

Aug 29, 2015, 4:34 AM
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Slider size, longer chord Can't Post

What would that do to the opening?
I know larger span means faster opening, but chord?


Quagmirian  (C 110392)

Aug 29, 2015, 5:50 AM
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Re: [Hellis] Slider size, longer chord [In reply to] Can't Post

Interesting you should mention this. If you look at the trim charts for a PD 9-cell it has been revised with a larger slider chord. Some 20% bigger for the 210. I think it slows down the openings, quite a lot. I will come back to you with an exact figure.

Have you read Gary Peek's study?

http://www.pcprg.com/hardop.htm


Hellis

Aug 29, 2015, 6:05 AM
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Re: [Quagmirian] Slider size, longer chord [In reply to] Can't Post

Quagmirian wrote:
Interesting you should mention this. If you look at the trim charts for a PD 9-cell it has been revised with a larger slider chord. Some 20% bigger for the 210. I think it slows down the openings, quite a lot. I will come back to you with an exact figure.

Have you read Gary Peek's study?

http://www.pcprg.com/hardop.htm

I don't think I have read it. Will look at it later. Thanks.

The reason I ask is I'm planning on switching slider from normal without collapse to mesh smaler span and larger chord.


Premier skydiverek  (C License)

Aug 29, 2015, 6:43 AM
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Re: [Hellis] Slider size, longer chord [In reply to] Can't Post

Larger chord will slow down the openings.


Hellis

Aug 30, 2015, 9:54 PM
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Re: Slider size, longer chord [In reply to] Can't Post

Thanks everyone.
I didn't get a chance to try it this weekend.



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