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Dennist3
Joined: 20 Feb 2004
Posts: 564
Location: USA, Virginia, HAMPTON ROADS
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 Posted: Sat Mar 20, 2004 9:00 am Post subject: Different weight_ripstop |
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what applications should I use .50 Vs. .75 Vs. 1.5 ounce Ripstop?
I'm shopping in the seconds section (still learning dont ya know)
and I see there are a ton of 1.5 oz seconds but all I have ever used is .75/.70...
Is 1.5 too heavy for a kite?
Can you mix weights in a kite?....or is this a no/no?
all inputs are welcome and apprecated!
Dennis  |
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Gary
Kite Builder II
Joined: 26 Nov 2003
Posts: 280
Location: Rhode Island, USA
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| Posted: Sat Mar 20, 2004 10:16 am Post subject: |
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| Dennist3 wrote: | | what applications should I use .50 Vs. .75 Vs. 1.5 ounce Ripstop? |
LOL. One of my favorite topics. This is going to generate a few posts.
The numgers stand for how much the fabric weighs per square yard.
A close look at the fabric shows that half ounce is made by leaving out many of the larger Ripstop threads. It is great for ultra light and indoor kites.
3/4 ounce is the 'normal' kite fabric.
| Dennist3 wrote: | I'm shopping in the seconds section (still learning dont ya know)
and I see there are a ton of 1.5 oz seconds but all I have ever used is .75/.70...
Is 1.5 too heavy for a kite? |
Here we go: It ain't the weight. 1.5 ounce is a lighter woven (weaker) fabric (fewer threads per inch) with twice as much coating.
It might be okay for kite bags, but that would be about it.
People often make the mistake of assuming that 1.5 ounce is stronger than .75 ounce because it is obviously stiffer and heavier.
People often use 1.5 ounce for reinforcements, pockets and sleeves. Then they are genuinely surprised when it fails so quickly and easily.
The closest thing to a favorable argument that can be made for using 1.5 ounce for reinforcements is that it is available in most of the same colors as Ripstop. Becuase it is stiffer, it is easier to work in to corners and such. But it must be remembered: It is weaker than 3/4 ounce. If strength is genuinely desired or required, make reinforcements and sleeves out of 3.5 ounce dacron.
| Dennist3 wrote: | | Can you mix weights in a kite? |
Yup, it's done all the time. (see above)
_________________
good heavens;
Gary E |
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Progcraft
Kite Builder II
Joined: 29 Sep 2003
Posts: 1673
Location: Calgary, AB, Canada
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| Posted: Sat Mar 20, 2004 10:25 am Post subject: |
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| Gary wrote: |
People often make the mistake of assuming that 1.5 ounce is stronger than .75 ounce because it is obviously stiffer and heavier.
People often use 1.5 ounce for reinforcements, pockets and sleeves. Then they are genuinely surprised when it fails so quickly and easily.
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What?? Oh, I didn't know that. Thank you Gary for spelling that out.
I made the re-infocements on my mini Della Porta train from blue 1.5 because I though it was strong. Hmmm.
I went with Dacron on the Eddy Arch though (whew).
Again, thanks for that Gary!!
Cheers,
P.
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Gary
Kite Builder II
Joined: 26 Nov 2003
Posts: 280
Location: Rhode Island, USA
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| Posted: Sat Mar 20, 2004 10:42 am Post subject: |
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| Progcraft wrote: | | I made the re-infocements on my mini Della Porta train from blue 1.5 |
Take a piece of 3/4 and put it next to a piece of 1.5 and compare the weave of the fabric. You'll see what I mean.
Nancy Lockhart from Ohio was sewing sails before a lot of us were alive. If you want a treat, get her going on the, um, 'strengths' of 1.5 ounce. 
_________________
good heavens;
Gary E |
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wdrwilson
Joined: 24 Oct 2003
Posts: 699
Location: Canada, Nova Scotia, Halifax
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| Posted: Sat Mar 20, 2004 12:37 pm Post subject: |
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Wow you are right Gary this will generate a lot of posts... I was told that 1.5 was weaker than .75 by someone at OKR this year... then when I was in a local sail loft they were saying that it was much stronger... O dear.. I don't know what to think...
--Bill |
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kitepoor
Joined: 05 Sep 2003
Posts: 263
Location: USA Virginia Harrisonburg
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| Posted: Sat Mar 20, 2004 3:02 pm Post subject: |
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Mr Gary, first of all thank you so much for all you have taught me so far...
how to pick out a sewing machine. (I love my old Singer 401a)
how to bridle a rok
and a load of other things
and today I should thank you for staying home from Ft Worden to teach us over the weekend!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
To have an experienced willing to share person such as your self has been a huge help to my kite building efforts.
Some day I may build something good enough to enter where you are judging!!!!
And now back to todays lesson on kite fabric
(sorry for the interuption)
_________________
Randy
a kite a nice thing
kite in the air a beautiful thing
kites to share the coolest thing |
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CJQ
Master Kite Builder
Joined: 27 Dec 2003
Posts: 376
Location: Coopersburg, PA - USA
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| Posted: Sat Mar 20, 2004 4:25 pm Post subject: 1.5 oz fabrick |
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| I agree with our very learned mr. gary using 1.5 for its strength is a false hood. I have mixed 3/4 oz with 1.5 oz to obtain certin colors needed also I have used white 1.5 oz rather than 3/4 oz because I wanted a white white grafic color . A typical 3/4 oz fabric washes out in the sun more so than 1.5 oz . |
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Gary
Kite Builder II
Joined: 26 Nov 2003
Posts: 280
Location: Rhode Island, USA
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| Posted: Sat Mar 20, 2004 6:35 pm Post subject: |
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| wdrwilson wrote: | | when I was in a local sail loft they were saying that it was much stronger--Bill |
ROFLMAO.
I want to be in the same room when you tell that to Nancy Lockhart.
I promise to stand way back, well away. 
At our workshop in Cleveland, OH for OESEK this year, she was waxing eloquent on how a close friend of hers who ran a sail loft was reqiuired to do a bunch of repairs - on sails that used 1.5 ounce as reinforcement segments.
Nancy has been sewing professionally longer than I have been alive. When she talks, I listen.
My Mom used to have a great line: "A little powder, a little paint, she will look like what she ain't." That's 1.5 ounce in a nutshell.
| kitepoor wrote: | | Some day I may build something good enough to enter where you are judging!!!! |
Randy, you are way too kind!. Thanks for the kudos, but I am so envious of your artisitc ability. Your Roller turned me green with envy. I am a pretty good technician, but you guys who can make kites look so terrific leave me speechless. You are most welcome for anything you have found useful.
| CJQ wrote: | | I agree with our very learned mr. gary using 1.5 for its strength is a false hood. I have mixed 3/4 oz with 1.5 oz to obtain certin colors needed |
Wow. Cliff (CJQ) was judging kites at the national level before anybody knew I existed. Thank you sir! Cliff is one my kiting heroes, no exaggeration. He has been a big influence on kite judging, and has sponsored awards to recognize people who wouldn't otherwise be recognized. Thank you sir, for all your work behind the scenes.
Now, back to your regularly scheduled program . . . 
_________________
good heavens;
Gary E |
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Dennist3
Joined: 20 Feb 2004
Posts: 564
Location: USA, Virginia, HAMPTON ROADS
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| Posted: Sat Mar 20, 2004 6:42 pm Post subject: |
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WOO HOO!!!!!!....
kewl finally I ask the right question......
boy o boy this is alot of info to soak in.....thanks every body......
and to think I had alot of 1.5 oz in my shoppong cart....
Thank you Gary and Cliff and every one that has added in inputs on this....Squid will be soooo jelious when he gets back from FT.Worden that he missed out on this topic from the get go....
so in a nonstress use (like Applique) 1.5 is good if you are looking for a specific color not readily aviable in .75?
thanks again all!
Dennis |
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Gary
Kite Builder II
Joined: 26 Nov 2003
Posts: 280
Location: Rhode Island, USA
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| Posted: Sat Mar 20, 2004 7:12 pm Post subject: |
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| Dennist3 wrote: | | kewl finally I ask the right question...... |
Huh? I thought all your questions were good, or 'right'.
| Dennist3 wrote: | | Squid will be soooo jelious when he gets back from FT.Worden that he missed out on this topic from the get go.... |
<sigh> Ah, shucks, choices must be made . . .
| Dennist3 wrote: | | so in a nonstress use (like Applique) 1.5 is good if you are looking for a specific color not readily aviable in .75? |
Yuppers.
_________________
good heavens;
Gary E |
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