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Unread 04-26-2013, 01:39 AM   #1
Jei-Cos
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Kyoko Sakura's Spear (Mega-Collapse)

http://i88.photobucket.com/albums/k1...psd5ab81c7.png
Thought I would start with a ref lol

Anyway, her spear is freaking tall..Like almost 8 freaking feet tall..I want to make the staff part 6 feet tall, and separate every untill the last one that will be connected to the blade..So like this:
http://i88.photobucket.com/albums/k1...ps0a376cd5.jpg

Now, looks easy right? Nah-uh..Nothing can be that simple lol
So my question is, Anyone know how the heck to make it so I can connect them, as well as take them apart, but without using any kind of connecter? Btw, I'm using PVC pipe for the staff. So yea, any ideas? I want it to look pretty flush. If it's not possible, I will just use a dowel, but I would like it to be way awesome like that.

Thanks
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Unread 04-26-2013, 01:54 AM   #2
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Without a connector, I see no other way.

But there should exist connectors that connect two pipes internally. Did you check those out?
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Unread 04-26-2013, 02:44 AM   #3
Jei-Cos
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Do they make internal ones that don't have to be screwed on? Those are all I have ever seen, and obviously without having the pipe threaded on the inside, they wouldn't fit right.
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Unread 04-26-2013, 04:52 AM   #4
Midnight Dawn
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This is the part I had in mind.
http://www.homedepot.com/p/t/100191687?storeId=10051&langId=-1&catalogId=10053&productId=100191687&R=100191687# .UXo_qkqAAvs

It's generally used to connect two hoses. But for the purpose of connecting PVC pipes, it should be sufficient.
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Unread 04-26-2013, 04:34 PM   #5
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Oh nice. So I take it those go inside the pipe then..Awesome thanks
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Unread 04-26-2013, 08:39 PM   #6
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Magnets.
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Unread 04-26-2013, 09:31 PM   #7
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Quote:
Originally Posted by Trooper715 View Post
Magnets.
Not sure that would work..The weight of PVC pipe would make it impossible for the parts to stay closed. Plus, I would need them small enough to fit in the 1/4" thickness the pipe is. It would litterally be impossible
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Unread 04-26-2013, 09:54 PM   #8
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Maybe threaded connectors for the ends of each length so they go into the next link and then build up every pipe piece with some heat moldable plastic and sand down the edges of the connectors so it looks like it's all the same diameter? Only parts that would be visible would be the threaded things when you disassemble it, but you may be able to cut them down a bit and fill in the threads with more plastic.
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Unread 04-26-2013, 10:03 PM   #9
Jei-Cos
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Honestly, it seems like the things that were linked to earlier should work just fine. I just need to make sure they are stiff and not bendy
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Unread 04-27-2013, 03:22 AM   #10
Trooper715
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Quote:
Originally Posted by JasonTerror View Post
Not sure that would work..The weight of PVC pipe would make it impossible for the parts to stay closed. Plus, I would need them small enough to fit in the 1/4" thickness the pipe is. It would litterally be impossible
Not impossible. Try neodymium magnets. They are strong enough to hold. They are VERY powerful. A lot of Halo costumers use them to hold prop weapons on their backs. They can easily handle PVC pipe and as long as the spear head isn't made out of plaster or anything ridiculous, it can manage. And they are ridiculously small as well.

http://www.kjmagnetics.com/products.asp?cat=16

1/4" ones can take 2-3lbs on average depending on the hole size. If you're willing to take the time to epoxy them to the end of the segments and blend them into the spear you're talking 4-15lbs hold strength.

The reducers will be a lot cheaper though unless you're trying to do something super fancy like having them snap in place.
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Last edited by Trooper715 : 04-27-2013 at 03:50 AM.
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Unread 04-27-2013, 01:27 PM   #11
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ppl so you all know 5.in dowel will hold the sections of pipe together
simple enough
"how do we get the chain attached on the inside?"
im thinking connect the chain in side the pipe with .5 dowel
ya ive seen the connectors not bad idea
but does the same, job costs more, is weaker than
heating PVC pipe and inserting a solid wood dowel
and doesnt hide the joint any better
though is is a much cleaner look

ths basic plan
dowel chain, dowel, chain, dowel and so on inside the pipe
the sections of pipe are IDK 12" long so 18" of chain and 2" sections of dowel

drill and mount the length of chain into the dowel and glue
heat the pipe and insert dowel 1" into dowel and glue

now you have a pipe with a ~18" chain handing from it
string the chain through the next section of pipe and add the dowel to the chain
then the dowel to the new pipe and glue
so on of each section

at this point you should have sections of pipe linked together with chain

heat and slide the open ended pipe with the chian strong through it
to fit over the exposed 1" dowel left from gluing to other pipe hiding the 6" of extra chain inside and making it one completed staff

you can make it harder to see the dowel by shortening the exposed bit if ya like
but not as useful as staff

i see magnets
good stuff
in light armor it a grate way to quickly and simply get in and out
this is because the forces acting per square inch is relatively small
and the surface area large

however in this case the area is small and torque can be vary high
while a prop mounted your back may be 6" from the center of rotation
though the staff can be light id be vary surprised to magnets work
and not have to need be put together for every pic even at 4-15lbs hold

what i think would be cool is magnetic rings around the dowel and other end of pipe
the dowel provide the torsional support while the magnets make it work more smoothly

well that was far to much typing for one day
though i hope it helped

good times to all
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Unread 04-27-2013, 01:51 PM   #12
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Oh my god. I have been trying to reply to this thread for about 4 days now. cosplay.com first would give me errors whenever i tried posting or PMing anything and then the whole site just would not load.
It's finally working!

Since we are both doing the same costume I wanted to share with you what I've been doing with mine to give you some ideas about how to construct it. I'm still not done(due to almost cutting my finger off) however this is what i have so far:
http://emileighsartcorner.tumblr.com...-madoka-magica
Along with an explanation of my steps and what I'm planning
http://emileighsartcorner.tumblr.com...yoko-sakura-as

I hope this helps you a bit!
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Unread 04-27-2013, 02:33 PM   #13
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HOLY CRAP!! That's amazing thanks!!
I will be doing basically that same thing, except I wasn't gonna use the threaded ends..Anyway, I like that idea of putting the small dowel inside the pipe to keep the sections in place. I hadn't even thought of that happening lol
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Unread 04-27-2013, 02:46 PM   #14
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You're very welcome! I'm glad I could help! The way to secure the pipe sections on the chain was the main reason i wanted to post here after I saw that you sorted out the connection issue. I'm actually a little jealous, I was looking for that kind of a method of connecting them but couldn't find anything! I have to modify pretty much all of my connectors so they work just how I want them to. I already have them though so I might as well continue doing what I'm doing.
I'm excited to see how yours turns out!
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Unread 04-27-2013, 02:59 PM   #15
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Yea the only problem I would have with those connectors are: 1, they are threaded where the pipe is not, meaning I have no idea how well they will even fit..and 2, the person never finished their blog on it so no one even knows if their idea worked out..

At least with the flush ones, you can get the glue for PVC pipes and just glue them into the one and not the other. Also, I don't like that the pipe is perfectly round where the threaded connecters have that more polygonic (much like a hexigon or octogon) shape to them so it doesn't math up at all
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