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Randy
Posts: 1888
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alf, I just used fiberglass spars about .157 inch (4mm) spars I got from a kitemaking supply shot, but this is a very small kite (1.8 M). I plan to
use .19 to .25 inch spars (6 to 8mm) for bigger kites. It takes 4 or 5 depending on the kite size. They are held together with a ferrule. I guess
that one could change spars depending on wind strength. I haven't tested the depower capability yet so don't know effective it will be. On short
lines I don't think it is needed.
Also, check your u2u.
NPW Test Pilot -US99
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skimtwashington
Posts: 1758
Registered: 3-22-2011
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How is the packing/breakdown...? removeable spars..or it's it's pieces jammed together and sleeve sewn close?
nice work
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Randy
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On the prototype I just put in 3.5 spars held together with ferrules and hot glue, sleeve open on one end but it fits into a closed pocket. Spar can
slide in an out, but it is easier to curl it up into a reasonably sized package though. For the 4-5 M I plan to use a better system which will
break down into a nice package.
NPW Test Pilot -US99
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skimtwashington
Posts: 1758
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This must be one of the easiest to construct kites...?
As a contrast I would think sewing in bridals throughout interior points/seams -either on a FOIL or SS would require much more finesse in the sewing
and more bridaing...I would say.
You could probably loop bridal line around the spar and use the spar to take the load instead of just the SLEEVE's fabric that spar sits in...making
it easier sewing and more sturdy( or did you) ?
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alf
Posts: 165
Registered: 12-30-2006
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that s what i thought too
for me 7 sqm would be fine it s very powerful and adding a boom i can kitewing it
also i would double skin it like the tent wing the biggest problem it the shape , you hav to cut the tarp and sew ?
simplier a bigger tent but for kw use only , i wouldn t make holes in the double roof
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Randy
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Mine was made into pieces but I think a bigger kite would require more
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alf
Posts: 165
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https://www.opapashop.xyz/index.php?main_page=product_info&a...
https://i.ebayimg.com/images/g/uQcAAOSw5EBa6xhS/s-l1600.jpg
much bigger maybe worth a fly
this one is expensive but you can kite is so easely
https://www.outdoorxl.fr/eureka-mosquito-tent-2-persoons.htm...
https://www.amazon.fr/Easy-Camp-Auvent-tente-Orange/dp/B00B8...
https://fr.dhgate.com/product/wholesale-uv-protection-tent-l...
https://fr.eurekaeurope.com/media/catalog/product/cache/13/t...
a strange kitewing....
https://www.youtube.com/watch?v=pcmyYOqzYUI
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Randy
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Trying a couple more versions of the flex kite at my asphalt beach over the weekend. These are a bit less than 3.0 M. Already starting on 4.2M This
setup with short lines is sort of the thrift store version of a land sailor.
https://vimeo.com/311243091
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skimtwashington
Posts: 1758
Registered: 3-22-2011
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Good stuff
One hand control and works well for small area( parking lot strip). These seem to work as good (or better) than the Paraski Flex you modeled it
after...!
Keep the quiver coming.
How long to make that kite?
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Randy
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Thanks!
The smaller kites are quite easy to fly one handed, esp. on a low friction surface. I figure they will work quite well on the beach too. The big
ones of course provide more power, and are necessary for a grass field. The wind at the lake where I was flying is much smoother than the
fairgrounds which probably makes for easier flying as well.
These are very simple kites. Build time for any of these kites is about the same as an NPW. The round kite is maybe only about 2/3 the build time
of an NPW because the bridling is so limited. The only complicated part of the build is making the sleeve for the spar.
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B-Roc
Posts: 3159
Registered: 3-9-2006
Location: Massachusetts
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Quote: Originally posted by Randy  | Thanks!
These are very simple kites. Build time for any of these kites is about the same as an NPW. The round kite is maybe only about 2/3 the build time
of an NPW because the bridling is so limited. The only complicated part of the build is making the sleeve for the spar. |
I'm impressed 
Pretty cool concept.
I can't even hem a pant leg 
Depower Quiver: 14m Gin Eskimo, 10m Gin Eskimo III, 6m Gin Yeti, 4.5m Gin Yeti (custom bridle and mixer)
Fixed Bridle Quiver: MAC Bego 400, JOJO ET Instinct 2.5 & 5.5, Lil Devil 1.5, Sting 1.2
Rides: Ground Industries
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Randy
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I've hemmed pant legs a number of times at my wife's insistence - it's harder than anything you do making a kite. 
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alf
Posts: 165
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fantastic
can you boom it for kitewing video ? I use two poles with bungee at both ends
https://www.facebook.com/windwingsports/photos/a.10152512384...
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Randy
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Seems like you could do that, though I don't know how well it would work.
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Randy
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My latest instalment came a few days ago. I used my 3 M first because I thought it was too windy for my now completed "Half Round" 4 M. After the
wind dropped I used the 4 but by then it dropped a bit more than I would have liked. Anyway, I'm feeling like the simplified version works well. I
got rid of the tension line and instead used seam shaping to put a little curve into the leading edge.
Around the 2:30 mark I completed my first upwind tack (call it a bounce tack - it was no worse than some of my jibes I guess). The only problem is
asphalt is really tough on kites. Going to have to figure our what material to use on the leading edge. Until then I need to make sure the kite
stays high all the time......
Did I mention it was cold there was ice on the parking lot early in the day.
https://vimeo.com/313079318
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alf
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no more backstall mayebe due to stronger winds ?
why do you have those sins on leading edge ?
upwind tack is more lossing wing shape with nasawing in low winds
is it possible to do a paraskiflex with no sewing ? with 2 tarps with predrilled holes for example
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Randy
Posts: 1888
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| Quote: Originally posted by alf | no more backstall mayebe due to stronger winds ?
why do you have those sins on leading edge ?
upwind tack is more lossing wing shape with nasawing in low winds
is it possible to do a paraskiflex with no sewing ? with 2 tarps with predrilled holes for example |
Backstall doesn't seem to be a problem with this kite once there is enough wind to fly and start creating apparent wind.
Not sure what you mean "sins on leading edge" - I reinforced the leading edge with extra fabric because of damage that could happen on asphalt.
No sewing - My first NPW was made with tarp and duct tape instead of sewing. It flew pretty well. It might be possible to make a flex kite, but it
would be heavy. You need to use very light tarp. I usually just use tarp for prototypes because it is not very durable. It is very cheap and easy
to sew. If the kite flies well, I make a proper version with fabric. Here is a picture of my first prototype - lots of wear on the leading edge.
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alf
Posts: 165
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i meant the leading edge has some curves on the 4m wing
maybe on grass the tarp will suffer less
i bought a 2nd hand peak 3 9 m i will street kite it
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Randy
Posts: 1888
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| Quote: Originally posted by alf | i meant the leading edge has some curves on the 4m wing
maybe on grass the tarp will suffer less
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I think the curves are because the spars I was using were a bit too thin so the leading edge will pop out some between the bridles. I am getting some
thicker spars. I expect the size of the spar will depend on wind strength. I can quickly change spars on this kite.
I think grass is softer, but takes a lot more power so I would probably use the Paraski Flex f10-60 when conditions are right.
NPW Test Pilot -US99
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