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4 line bar

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Created by Richoa > 9 months ago, 20 May 2017
Richoa
NSW, 478 posts
20 May 2017 9:22PM
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hoping I can get a bit clarity on the difference between a 4line bar with a low V. Vs 4 line bar with a high V.

I see selling adds stating flys with any 4 line bar, is this statement entirely true? Looking at high v and low v my thoughts are it would pull bridles at a different angle is this not a change in performance?

thanks

toppleover
QLD, 2033 posts
20 May 2017 9:43PM
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Do some research on the kite your interested in & see how it's recommended line set is configured.
Most kites are low v these days & also my preferred set up.

Richoa
NSW, 478 posts
20 May 2017 9:53PM
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Select to expand quote
toppleover said..
Do some research on the kite your interested in & see how it's recommended line set is configured.
Most kites are low v these days & also my preferred set up.



Hey thanks, not keen to share y you prefer low v?
ps. This is part of my research!

toppleover
QLD, 2033 posts
20 May 2017 10:34PM
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It's just the setup I've grown accustomed to over the years, also imo easier to grab a front line to self land.
The older setups with dual front line flag had the high V, back in the day.
Most now are low v, single flag.

Richoa
NSW, 478 posts
20 May 2017 10:45PM
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Yeah ta, good points.

my current bars are all low v, just don't want to get caught buying a kite only that won't fly right with low v.

cant say that I've seen it obvious in specs that it suits one or the other, I'll have to look harder.

yendor
NSW, 260 posts
21 May 2017 8:17AM
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Select to expand quote
Richoa said..
hoping I can get a bit clarity on the difference between a 4line bar with a low V. Vs 4 line bar with a high V.

I see selling adds stating flys with any 4 line bar, is this statement entirely true? Looking at high v and low v my thoughts are it would pull bridles at a different angle is this not a change in performance?

thanks



My 12 dice on a low v is very different.
More low end and quicker turning and this was very noticeable.
I found it flew better to my liking.
May not be the same for other kites.

weebitbreezy
617 posts
22 May 2017 7:18PM
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The main difference is the effective front line length and the turning pivot point.

Turning pivot point - think of the split point as being the pivot point. The further from the kite, the pivot point, the more leverage you get when turning the bar. Hence why people say they notice a kite turn a bit quicker on a low V bar.

Effective line length - The difference between the front an back line effective lengths - think of this as an obtuse scalene triangle. The hypotenuse is smaller than the sum of the adjacent and opposite sides. The difference is normally pretty small (1-3 cm) depending on split height. Adding a bit of trim will stop stalling. As an idea of scale, the difference between the North 4 and 5 line split points is about 8m and the difference in the attachment points on the kite is about an inch.

For me, I prefer to fly my low V 4 line kites on the North quad bar because it 'feels' like the kite flies more evenly between the front and rear lines. YMMV.



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"4 line bar" started by Richoa