Streetrider56
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Upwind vs Downwind
Hey all
I have been fortunate by way of having the wind to fly almost every day. Lately working on transitions and static jumps.
What I had noticed and find a bit confusing is upwind vs downwind.
I fly at a local.park on the soccer field. In my mind, there should not be a difference. Wind that that comes off the lake is fairly smooth.
I can understand this at the beach when wind direction is not dead onshore. At the park I am able to fly in any direction.
I'm sure there is some logical explanation for this.
Also, seems upwind is always to my left.
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Suds after thuds
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Wind has to come from somewhere, and good luck with it, if it's shifting around in every direction. I had a swirling situation once where a flag was
flapping towards my face and I was holding the kite at about 45º dead in front of me. In a wind like that I was confused where upwind was too. I find
that a big wind shift of say—90º is enough to collapse my kite.
But that don't make no never mind; just saying wind blowing in every direction does not help me get to where I'm heading.
You can't sail into the wind, you must tack to get there. I feel like I'm doing well, if I'm holding a line ca. 50º off the wind on a KLB. The faster
you go the higher you can point. The higher upwind or turned up into the oncoming wind the slower you go. Falling off the wind can increase your
speed, but if you have speed and head directly down wind you will luff up your kite.
I have heard that we all have a preferred tack, which would keep the wind on a dominant side.
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BeamerBob
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If you stand with the wind directly to your back with arms pointed straight out to each side, your arms are perpendicular to the wind. If you imagine
a line on the ground aligned with your arms, extending across your riding space, it is what you would measure upwind vs downwind for your forward
progress. If you are getting blown away from the line, you are drifting "downwind". If you are edging back and getting closer to or getting behind
that imaginary line, then you are working "upwind".
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DAKITEZ
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I like that explanation BB
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3shot
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+1 Bmrbob!
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Streetrider56
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I get that BB. Good explanation. What Im experiencing is with the wind at my back, from the west, riding to the right or south, is downwind and have
to keep the kite high. When riding to my left or north, kite is lower and I'm edging hard to get upfield. Strangely it takes more effort to go one way
than the other. Even though the wind is fairly smooth.
One would think riding in either direction would be the same.
I have no issues tacking.
Edit
I guess now that Im paying more attention to stuff like that.
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Bladerunner
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I think I understand what you are saying. I have often felt that I can cruise upwind effortlessly on one side and have to work harder on the other ? I
have just sort of written it up to strong side vs weak side ?
We all learn things better on one side than the other . I always say when you have learned it right. Learn it left right away ! If you don't do that
early it makes for bad habits down the road.
BB's explanation is great. I tend to look for something a bit upwind to aim for. You go where you look.
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soliver
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I used to be in the same headspace as far as understanding why it was more difficult in one direction than the other. So what I had to come to
understand is that in the "easy" direction I'm moving ever so slightly downwind. That harder trip back to where I started is back upwind. Angus taught
me the method of getting back upwind easier by moving in a pattern kind of like the teeth on a saw. This is done by changing your upwind travel
slightly more downwind, then making a turn around at almost 90 deg to your original downwind tack, then back upwind,... This is REALLY hard to
explain, but in the end you end up making a sawtooth kind of pattern.
A diagram would help.
Btw... REALLY loved BB's explanation
I'm going to take a nap now
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MeatÐriver
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Not entirely sure that I'm following you correctly, but that's ok...one thing does come to mind though. Is it possible that there is even a slight
elevation change between the north(being the high side) and south sides of your park? May not even be too discernible by eye. Just a thought.
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BeamerBob
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This does sound exactly like a good side, bad side scenario. Most anyone on a board has this to some extent. Really good and experienced riders have
been able to diminish the difference but even they have a favorite side and direction.
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RedSky
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If the wind is coming from the west then directly downwind is east.
To qualify as riding downwind there must be at least an element of easterly travel. Assuming the wind is blowing from the west then riding directly
north or south is called crosswind and should as you say be ridden in either direction with the same ease unless you're on a hill.
It can be easy to confuse the layout of your field or beach with wind direction. Most beaches are just narrow strips of sand and you are confined to
going just up and down the beach. If the wind is not directly on-shore (which it rarely is) then one direction is going to be easier to ride than the
other, unlike a field where you can pretty much go where you like.
(updated to make sense)
now going to bed because it's very late, I'm tired and I shouldn't be let loose on a keyboard. :frog:
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carltb
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you could also be moving in and out of a wind shadow. as you travel to your right you are going deeper into the shadow, therefore making it harder
work but as you transition and travel to the left you move out of it and progressively get cleaner winds
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soliver
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Quote: Originally posted by soliver | I used to be in the same headspace as far as understanding why it was more difficult in one direction than the other. So what I had to come to
understand is that in the "easy" direction I'm moving ever so slightly downwind. That harder trip back to where I started is back upwind. Angus taught
me the method of getting back upwind easier by moving in a pattern kind of like the teeth on a saw. This is done by changing your upwind travel
slightly more downwind, then making a turn around at almost 90 deg to your original downwind tack, then back upwind,... This is REALLY hard to
explain, but in the end you end up making a sawtooth kind of pattern.
A diagram would help.
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This is what I mean if its at all decipherable:
Grey is wind direction
Green is the downwind tack
Red is the upwind "sawtooth" maneuver
I'm going to take a nap now
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Streetrider56
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The field is relatively level. @ Redsky, (riding crosswind), That is what I was thinking. Having the room to alter direction in relation to the wind
should be of little difference. Riding style as Bladerunner stated seems to be what I'm seeing. Also explains getting low mileage from the right shoe.
Thanks to all. Be safe
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3shot
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Quote: Originally posted by soliver | Quote: Originally posted by soliver | I used to be in the same headspace as far as understanding why it was more difficult in one direction than the other. So what I had to come to
understand is that in the "easy" direction I'm moving ever so slightly downwind. That harder trip back to where I started is back upwind. Angus taught
me the method of getting back upwind easier by moving in a pattern kind of like the teeth on a saw. This is done by changing your upwind travel
slightly more downwind, then making a turn around at almost 90 deg to your original downwind tack, then back upwind,... This is REALLY hard to
explain, but in the end you end up making a sawtooth kind of pattern.
A diagram would help.
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This is what I mean if its at all decipherable:
Grey is wind direction
Green is the downwind tack
Red is the upwind "sawtooth" maneuver
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Great example!!
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http://hint.fm/wind/
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snowspider
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Two words: CORIOLIS EFFECT !
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RedSky
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Double take. I thought it said something else.
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snowspider
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The rotational direction of "something else" in the northern hemisphere is optional and will not affect kite flying.
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5 , 7.5 HQ Apex II
14m HQ Montana VII
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