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Author: Subject: nasa delta para-wing kite
lasrocas
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[*] posted on 7-1-2015 at 07:59 AM


sex pistols
that opens up a world of designs
certainly more options than water melons wouldnt you say E ?
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bigE123
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[*] posted on 7-1-2015 at 08:10 AM


Each to their own :D, why go plain when you can have something unique that means something to you and makes a statement.
Go careful tho' on the design a first build needs to be manageable to get the skills sorted out first.

I'll tell you this tho' Lasrocas - If you want another build I'm not searching the internet for water melon ideas again! The images that came up!





Blade V 4.9m & 8.5m VIP,Ozone Frenzy 11m, SS Flexifoil buggy, PL hybrid suspension buggy (PTW), MBS core 95.
homemade:
NPW 9b: 7m (Union Jack). NPW 9b HA 3m (Damien) and 10m (Jolly R). NPW21 3m, 5m (aka Zombie), 8m (Batman), 11.5m (NASA), NPW 21 HA 6.8m
The Hammers 5m, 7.2m & 12m
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Randy
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[*] posted on 7-1-2015 at 08:42 AM


Quote: Originally posted by bigE123  
How you finding the sewing Randy? Looks like you got your first seam done :D


No - they were just laid on top of each other. I'm finished cutting the fabric, but getting ready to go fly.



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sadsack
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[*] posted on 7-1-2015 at 08:50 AM


Hey Randy, that is looking good. I am going build me a nother big one. Joann had a sale on ripstop yesterday, I got 15 yards of red.
I am going make a 20 foot delta as soon as I get done with the NPW 21 I want to build. You can make the delta a 4 line kite if you want.

bigE123 is this like a Z bridle you are talking about

http://users.telenet.be/claeskites/page3.htm

I want to put something like this on the black kite.
We are having a blizzard right now wind chill is -20 to -40 below F.
A lot of snow(that is good) and wind 25 to 40 MPH. Any body want to fly!!!!:duh:

I can't see the road from the house, and it is only 80 feet away.


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sadsack
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[*] posted on 7-1-2015 at 08:52 AM


Go fly, you people that live in the south are so lucky. I want to fly too.
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bigE123
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[*] posted on 7-1-2015 at 09:13 AM


@ sadsack no that is a progressive brake, it takes a little setting up, I tried it on my HA and 9b but to be honest it doesn't improve anything apart from making the TE smoother when the brake is applied.

This is a Z-bridle:

The kite is on the right, power line is top left, brake is on the bottom left, you will see on the right I have a knotted leader so that I can adjust the brake line tension. From the picture you can see that if the brake line were to be fully released the cross piece would take over and hold some tension on the brake bridles.
If I'd taken the picture the other way round (kite on the left etc.) it would be "Z" shaped.

This is the same Z bridle when the kite is staked down, you can see now the brake line is pulling the brake bridle back to keep it on the ground.




Blade V 4.9m & 8.5m VIP,Ozone Frenzy 11m, SS Flexifoil buggy, PL hybrid suspension buggy (PTW), MBS core 95.
homemade:
NPW 9b: 7m (Union Jack). NPW 9b HA 3m (Damien) and 10m (Jolly R). NPW21 3m, 5m (aka Zombie), 8m (Batman), 11.5m (NASA), NPW 21 HA 6.8m
The Hammers 5m, 7.2m & 12m
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sadsack
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[*] posted on 7-1-2015 at 09:20 AM


Well, that look simple, I maybe able to do that.:puzzled:
Thanks

Here is what it looks out my front window.





snow.JPG - 19kB

I would like to try my 1.2M2 NPW 5 in this wind, but it is just to cold fo a old man like me.
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[*] posted on 7-1-2015 at 09:32 AM


Don't mind my lack of skills at drawing a photo. is this about hot a z bridle works



z bridles.JPG - 57kB
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bigE123
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[*] posted on 7-1-2015 at 09:46 AM


Try this one I've just knocked up, you disconnect your flying lines, add the Z bridle to where the lines were, then reconnect the flying lines to the Z bridle, power line connects to the two lined end of the Z, and the kite brake bridle to the other two lined part of the Z.


The adjustment is on the brake side, the brake tension is quite critical to find the "sweet" spot you will find that the knot will get you close but then moving it closer to the kite will cause back stall and further away will result in nose collapse. Once I'm close I move the knot it's self slightly one way or the other (@0.5cm). When tuning it fly the kite like a foil lines between top two fingers so the brakes are fully released.




Blade V 4.9m & 8.5m VIP,Ozone Frenzy 11m, SS Flexifoil buggy, PL hybrid suspension buggy (PTW), MBS core 95.
homemade:
NPW 9b: 7m (Union Jack). NPW 9b HA 3m (Damien) and 10m (Jolly R). NPW21 3m, 5m (aka Zombie), 8m (Batman), 11.5m (NASA), NPW 21 HA 6.8m
The Hammers 5m, 7.2m & 12m
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[*] posted on 7-1-2015 at 09:55 AM


Yes, that is how I had it. Good when the weather get better I will try that. It said you can use the z bridle for a 2 line hook up too. How would that look on your drawing?
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[*] posted on 7-1-2015 at 09:58 AM


Just updated it, for two line only you don't use the bottom leg, which would mean a "V" bridle if there is such a thing :D



Blade V 4.9m & 8.5m VIP,Ozone Frenzy 11m, SS Flexifoil buggy, PL hybrid suspension buggy (PTW), MBS core 95.
homemade:
NPW 9b: 7m (Union Jack). NPW 9b HA 3m (Damien) and 10m (Jolly R). NPW21 3m, 5m (aka Zombie), 8m (Batman), 11.5m (NASA), NPW 21 HA 6.8m
The Hammers 5m, 7.2m & 12m
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[*] posted on 7-1-2015 at 10:04 AM


I see, I am going to have to make one up.
Thank you so much, that helped.
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bigE123
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[*] posted on 7-1-2015 at 10:51 AM


Phew :D No problem, at least you have time to make one up with the weather you have.



Blade V 4.9m & 8.5m VIP,Ozone Frenzy 11m, SS Flexifoil buggy, PL hybrid suspension buggy (PTW), MBS core 95.
homemade:
NPW 9b: 7m (Union Jack). NPW 9b HA 3m (Damien) and 10m (Jolly R). NPW21 3m, 5m (aka Zombie), 8m (Batman), 11.5m (NASA), NPW 21 HA 6.8m
The Hammers 5m, 7.2m & 12m
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[*] posted on 7-1-2015 at 11:12 AM


This is going be around for about 3 days
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sadsack
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[*] posted on 8-1-2015 at 10:58 AM


In this photo of the z bridle it look like one of the ring the bridle is not tied. It looks like is slide back and forth. See photo




zbridle.JPG - 74kB


Is that the case
renny
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bigE123
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[*] posted on 8-1-2015 at 03:21 PM


We're getting some mileage out of this :D what it's showing is two options, the V making a two line kite and the Z option a four line kite. I've just fitted one to my 6m and tested it today. I'll split it down so you can clearly see it.
Manged to get it tuned today, field was so wet I was getting bow waves over my wellies as I studded along :D



Blade V 4.9m & 8.5m VIP,Ozone Frenzy 11m, SS Flexifoil buggy, PL hybrid suspension buggy (PTW), MBS core 95.
homemade:
NPW 9b: 7m (Union Jack). NPW 9b HA 3m (Damien) and 10m (Jolly R). NPW21 3m, 5m (aka Zombie), 8m (Batman), 11.5m (NASA), NPW 21 HA 6.8m
The Hammers 5m, 7.2m & 12m
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[*] posted on 8-1-2015 at 03:26 PM


Gutted I missed out on that!



Rev 1.5 SLE
PL Pepper 1.5m, Twister III 3m
Flysurfer Peak I 6m, Peak II 12m
Ozone Access V6 6m, 4m incoming!
Arcs Venom 13m, Synergy 15m
LEIs Slingshot Rally 7m, 9, 12m
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Nobile NHP Carbon Split
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sadsack
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[*] posted on 8-1-2015 at 03:32 PM


Thanks
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Randy
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[*] posted on 12-1-2015 at 07:17 PM


The 1.8 m single keel is ready to (try to) fly. Just need wind. Forecast doesn't look good for several days, however. If it flies I will post pictures, or a video. If it doesn't then.....



pff.jpg - 182kB photob.jpg - 93kB



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[*] posted on 12-1-2015 at 07:34 PM


Very nice I knew you could sew, I am sure it will fly. I have made many of them and they all flew. Are you going use it as a 2line or 4 line kite?
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[*] posted on 12-1-2015 at 09:13 PM


Its a 2 line, but I could add a 3rd line for a brake. Its the same plan as my earlier tarp/tape version but all fabric. That kite is a really good flyer and has a lot of pull for a 1.45 m kite.









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[*] posted on 13-1-2015 at 07:59 AM


Can't wait to see it fly:evil:
renny
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[*] posted on 16-1-2015 at 02:42 PM


The 1.8 M single keel flies! A few things to work out on brake tension, but looks good. I got a lot of footage but here are a few pictures.



Snapshot 1 (1-16-2015 4-32 PM).png - 97kB

Snapshot 1 (1-16-2015 6-03 PM).png - 145kB



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sadsack
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[*] posted on 16-1-2015 at 06:32 PM


That looks very good in the air. I got every thing here in a mess. I moving my shop to the basement. I working on my new layout and cutting table. It is 8' by 24'. It will be a while before I get to a point where I can start working again. Can't wait to see the movies.
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[*] posted on 16-1-2015 at 07:18 PM


Good work Randy!... looks good



I'm going to take a nap now
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bigE123
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[*] posted on 17-1-2015 at 02:42 AM


Nice one Randy! I've not seen many of those built, you're now a member of a very select group, well done.



Blade V 4.9m & 8.5m VIP,Ozone Frenzy 11m, SS Flexifoil buggy, PL hybrid suspension buggy (PTW), MBS core 95.
homemade:
NPW 9b: 7m (Union Jack). NPW 9b HA 3m (Damien) and 10m (Jolly R). NPW21 3m, 5m (aka Zombie), 8m (Batman), 11.5m (NASA), NPW 21 HA 6.8m
The Hammers 5m, 7.2m & 12m
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[*] posted on 17-1-2015 at 08:00 AM


Thanks for the comments. It is certainly the easiest of the NPW's to make, so I suspect its not been that popular due to lower performance compared to the conventional models. But its fun to fly. Here is my video.





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ssayre
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[*] posted on 17-1-2015 at 09:56 AM


Nice work Randy!

This thread has driven me to madness. The time has come for my daughters beginner sewing machine to come out of retirement for the last 5 years. Will this one work?

I'm going to start small. My first project will be a 10m npw

:spin:

sew machine.jpg - 39kB
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[*] posted on 17-1-2015 at 10:13 AM


Yes... That is indeed a sewing machine :lol:

They're really quite easy to use Sean. My 9 yr old started lessons at 7 and is a wiz with the thing... Constantly recreating her dolls' wardrobes in a matter of 15 minutes. The trickiest part is usually threadi the bobbin.

Youtube is your friend, utilize it for anything and everything

Hey Randy, next time we get together I'm bringing both buggies, I want to get you into buggying so I'm not the only one in ATL :D



I'm going to take a nap now
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[*] posted on 17-1-2015 at 11:02 AM


Thanks Spencer.

Are there any Mac friendly calculators? It seems all of the calculators I have found are in .exe which I can't open on a mac.
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