Forums > Kitesurfing General

More bar pressure...who likes it?

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Created by Greenarrowz > 9 months ago, 30 Apr 2016
sir ROWDY
WA, 5353 posts
5 May 2016 3:59AM
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Kamikuza said..

sir ROWDY said..
My tips for anyone with problems is to 1; make sure your CL is tuned to a length just shorter than your arms extended, and, 2; When you ride make sure you keep your shoulders back, your back straight and your arms almost straight. Use your waist and shoulders to pivot and pull your arms in and out whilst only pulling in with your elbows if absolutely necessary.

If you follow these tips I doubt you will ever have Tennis elbow from flying your kite.



That's not it. It's the tendons in the forearm involved in gripping the bar that make the tennis elbow.


Maybe so, but I don't grip the bar any lighter than I used to and with these small adjustments mentioned above I never get sore elbows anymore. Whether it's really "Tennis Elbow" or not is another debate entirely I guess. For the sake of the pedantics out there lets just call it "sore elbow" .

kitebored
NSW, 561 posts
5 May 2016 8:14AM
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Try a 10 year old kite and see if you like bar pressure!

Kamikuza
QLD, 6493 posts
5 May 2016 10:42AM
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sir ROWDY said..

Kamikuza said..


sir ROWDY said..
My tips for anyone with problems is to 1; make sure your CL is tuned to a length just shorter than your arms extended, and, 2; When you ride make sure you keep your shoulders back, your back straight and your arms almost straight. Use your waist and shoulders to pivot and pull your arms in and out whilst only pulling in with your elbows if absolutely necessary.

If you follow these tips I doubt you will ever have Tennis elbow from flying your kite.




That's not it. It's the tendons in the forearm involved in gripping the bar that make the tennis elbow.



Maybe so, but I don't grip the bar any lighter than I used to and with these small adjustments mentioned above I never get sore elbows anymore. Whether it's really "Tennis Elbow" or not is another debate entirely I guess. For the sake of the pedantics out there lets just call it "sore elbow" .


It's not how you grip it, it's how much you have to hold. There may be a correlation with your changes, but other factors likely improved your sore elbow(s?).

For me, it was not sleeping with my arm hanging over the side of the bed and hyperextending my elbow all night. So now, high bar pressure is just bloody tiresome rather than painful.

holgs
WA, 297 posts
5 May 2016 10:40AM
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sir ROWDY said..

If you want to progress (especially un-hooked), bar pressure is your best friend.


I don't do unhooked so I don't really understand. Do you need the bar pressure just before you unhook? Because once you unhook you have the full force of the kite on the bar anyway.

holgs
WA, 297 posts
5 May 2016 3:28PM
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Actually, having thought about it a bit more I think I understand why bar pressure is even more important for unhooked.

Is this right:?

When unhooked a low bar pressure kite has the same total force on the bar as a high bar pressure kite. But the low bar pressure kite has most of the force going to the middle of the bar via the centre lines. Hence the pull of the steering lines is "drowned out" by the pull of the centre lines on the bar.

When hooked in however, the force from the centre lines is on the harness not on the bar. The only forces on the bar are from the steering lines. Hence one can still notice the steering forces ok even though they are light on a low bar pressure kite.

kungfupete
VIC, 149 posts
5 May 2016 6:07PM
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holgs said..
Actually, having thought about it a bit more I think I understand why bar pressure is even more important for unhooked.

Is this right:?

When unhooked a low bar pressure kite has the same total force on the bar as a high bar pressure kite. But the low bar pressure kite has most of the force going to the middle of the bar via the centre lines. Hence the pull of the steering lines is "drowned out" by the pull of the centre lines on the bar.

When hooked in however, the force from the centre lines is on the harness not on the bar. The only forces on the bar are from the steering lines. Hence one can still notice the steering forces ok even though they are light on a low bar pressure kite.


I'm not total sure if this is how it works, but it sound logically.

What I know is how it feels. The kite locks into a flight path and doesn't stray, you know where the kite is sitting so all you're concentrating on is your trick i.e. slim chance: unhook, load, release edge, tuck into front roll, as I'm inverted, give the bar a sharp pull to create slack, let go with my front hand, drop the front shoulder, make the past, land and ride away.

Sounds complicated, and maybe it is. But as long as the kite stays put, and I'm in control and know where it is, how its going to behave, then kiting is a little easier. Haven't said all this, I ride North Vegas 2016. Even the 14.5m on heaviest bar pressure, isn't too much bar pressure where my forearms are pumped. But I'm sure other kites would be. Especially if they aren't designed with unhooked riding as the focus.

Very interested to hear what other unhooked kiters think, agree? disagree?

Swavek
WA, 393 posts
5 May 2016 4:39PM
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I think the high bar pressure depends on how deep the kite sits in the window. If the kite is close to your direction of travel, one does not have to edge too hard to stay upwind and not much bar pressure is felt going upwind.

if the angle between the kite lines and your direction of travel (in plan view, i.e. looking from top) is larger (kite sitting deep in the wind window) the bar pressure is high.

Therefore the kite bar pressure depends on the kite, but for each kite with number of wing tip connection points you can achieve a bit lighter or heavier bar pressure depending where you connect the tip lines (less pressure when lines are connected closer to the wing tips).

I don't like heavy bar pressure as it limits my time on the water (arms get sore quicker). I can imagine person doing wakeboarding type tricks might like heavy bar pressure (load and pop will produce more agressive pop as the kite sitting deep in the window 'catches more wind'). Such kites might also drift better.

don' know for sure, but this is my logic

gcdave
534 posts
5 May 2016 4:43PM
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^^

Id red thumb u if i could

sir ROWDY
WA, 5353 posts
5 May 2016 6:34PM
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Kamikuza said..

It's not how you grip it, it's how much you have to hold. There may be a correlation with your changes, but other factors likely improved your sore elbow(s?).



Nope, all variables remained the same. I've been riding similar gear for years. Working a kite all day with bent arms will most certainly give you sore elbows (it did in my case).

Whatever you think the cause of it is really isn't important anyway. If someone's got sore elbows they can try what I said and if it doesn't fix the problem they haven't lost a thing by doing it.

Another tip I might add is to ride the right sized kite, under-powered riding requires a lot more swooping which is bad for your elbows and your trick technique.

jackforbes
WA, 530 posts
5 May 2016 6:38PM
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pearl said..
At one stage years ago I couldn't hold a fork or squeeze toothpaste because of tendinitis from bar pressure.


I'd be more worried about your dental plan mate. Try a toothbrush instead of a fork.

sir ROWDY
WA, 5353 posts
5 May 2016 6:42PM
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@Holgs, you're kinda onto it.

More bar pressure = more rear line tension.

More rear line tension = more feel of where the kite is pulling from as the bar will naturally try to stay parallel to the kite in any position.

Unhooked Vs Hooked makes zero difference on bar pressure that people are talking about in this thread. You will naturally have more pull on your arms unhooked but this isn't "bar pressure" per se. Bar pressure is the force required to turn the kite by pulling in one side of the bar.

The reason it matters more for un-hooked riding is usually because you're doing more advanced tricks where your kite will move to the wrong spot easier whilst you're unable to keep an eye on it, in this case BP (feedback) helps a lot.

Personally I prefer kites with a bit more bar pressure even when riding hooked-in, as it still gives you more feedback whilst you're not looking at the kite.

Kamikuza
QLD, 6493 posts
5 May 2016 10:19PM
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sir ROWDY said..
Bar pressure is the force required to turn the kite by pulling in one side of the bar.

Personally I prefer kites with a bit more bar pressure even when riding hooked-in, as it still gives you more feedback whilst you're not looking at the kite.


No, bar pressure is the force you feel holding onto the bar, not just when you turn it. At least, that's what I'm moaning about Kites like the 18m Rebel, the 17m Draft are just retarded--you (I) can barely hold the bar one-handed there's so much pressure. Tells you nothing except your session is going to be short and tiring.

You need SOME pressure for feedback, but not a lot. When you're hooked in, it comes through the spreader bar . . .

sir ROWDY
WA, 5353 posts
5 May 2016 9:13PM
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Kamikuza said..

sir ROWDY said..
Bar pressure is the force required to turn the kite by pulling in one side of the bar.

Personally I prefer kites with a bit more bar pressure even when riding hooked-in, as it still gives you more feedback whilst you're not looking at the kite.



No, bar pressure is the force you feel holding onto the bar, not just when you turn it.


It's the same thing, you can't have one without the other.

Gfly
165 posts
5 May 2016 10:28PM
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I agree with Pearl in bar pressure isnt an indication of how easy it is to judge where the kite is.

I've ridden heavy bar pressure kites where it was hard to judge where the kite was because it pulled and pulled with no difference on either side, and I've ridden light bar pressure kites where you could tell where the kite was because their was fingertip feedback on the bar. Bar pressure and feedback depends on how the bridles and back line are set up to take the load.

Kites with more bar pressure have more grunt and low end but if you are doing anything other than mowing the lawn your elbows will feel it.

TomW059
183 posts
5 May 2016 10:30PM
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Two kinds of pressure. One is to sheet in the kite, pulling parallel. The other is turning force, pulling on one side. They tend to correlate, but not always.
I prefer light on both.

sir ROWDY
WA, 5353 posts
5 May 2016 11:17PM
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TomW059 said..
Two kinds of pressure. One is to sheet in the kite, pulling parallel. The other is turning force, pulling on one side. They tend to correlate, but not always.
I prefer light on both.



They most certainly correlate.

Turning the kite you are shortening one back line, powering the kite up you are shortening both, it's the exact same principle... pulling in the back lines. It's the imbalance between the rear line tension that ultimately turns your kite.

sir ROWDY
WA, 5353 posts
5 May 2016 11:20PM
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Gfly said..
I agree with Pearl in bar pressure isnt an indication of how easy it is to judge where the kite is.



Not sure that's what Pearl meant. What I got from what he was saying is that he doesn't need heavy bar pressure as he's fine with the feel he gets from a kite with lighter bar pressure.

Bar pressure is most certainly an indication of how easy it is to judge where the kite is. Take it to the extreme, imagine a kite with the lightest bar pressure imaginable (or none), you wouldn't be able to fly it without looking, it would be like using a playstation controller to control a character in a video game.

pearl
NSW, 984 posts
6 May 2016 6:16AM
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jackforbes said...
pearl said..
At one stage years ago I couldn't hold a fork or squeeze toothpaste because of tendinitis from bar pressure.


I'd be more worried about your dental plan mate. Try a toothbrush instead of a fork.






Kamikuza
QLD, 6493 posts
6 May 2016 7:57PM
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sir ROWDY said..

Kamikuza said..


sir ROWDY said..
Bar pressure is the force required to turn the kite by pulling in one side of the bar.

Personally I prefer kites with a bit more bar pressure even when riding hooked-in, as it still gives you more feedback whilst you're not looking at the kite.




No, bar pressure is the force you feel holding onto the bar, not just when you turn it.



It's the same thing, you can't have one without the other.


Dunno, eh. Some kites have massive pressure holding the bar in on a tack but once you pull on one side they're light . . . and vice versa.

IIRC the Draft was like the former and the old SB the latter. Either way, I hate it

sir ROWDY
WA, 5353 posts
6 May 2016 7:10PM
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Can't say I've ever experienced that. Naturally pulling in one side you will feel less pressure than pulling in two at once. One thing that may make a kite feel as you described is a wrongly tuned, over-sheeted setup.

But the fact remains, sheeting in the bar or turning the kite relies on the exact same thing to make it happen (shortening a back line, or both) so I'd say bar pressure between the two is highly correlated.



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"More bar pressure...who likes it?" started by Greenarrowz