Re: [Cameramakers] Bellows Material Cordura
On Tue, 15 Oct 2002, John Cremati wrote: Do you remember what type of Cordura that you used? Not specifically. It was a rubberized cordura that I purchased at Denver Fabrics. I had been looking for a good, thin, reasonably light tight fabric, and this was the closest thing I found that met my criteria. Did you use it for both inside and outside No, I only used the cordura on the outside. I used the Edmund Scientific flocking paper as a liner. The flocking paper wasn't the best idea. .Is your bellows very stiff? Not particularly. It is stiffer than I'd like, but this is due to the flocking paper and glue I used. The cordura is very thin, light, and flexible. how deep were the folds ? It has been a few years since I made this thing. I seem to remember 1/2 inch troughs. How does it collapse Well you push it together and the folds all compress wink. It collapses fine. You can always get a feel for just how much compression you can expect by summing up the thicknesses of the layers used in the bellows wall and then multiplying it by the number of overlapping folds. This is the absolute minimum compression. It will be somewhat less than this due to the thickness of the glue layer and the radius of the bends in the folds. and what did you use for stiffners... Cut up strips of manila file folders. - Wayde ([EMAIL PROTECTED]) ___ Cameramakers mailing list [EMAIL PROTECTED] http://rmp.opusis.com/mailman/listinfo/cameramakers
Re: [Cameramakers] Bellows Material Cordura
On Sun, 13 Oct 2002, John Cremati wrote: Has anyone tried using Cordura Nylon as the outer layer in bellows fabrication ? It is supposedly the toughest fabric on earth and is water proof...( they are using it to make Fishing Waders...) The deener 160 blend seems to be there thinnest material as they are using it for clothing. http://www.cordura.com/ Any suggestions? Yes, works like a charm http://rmp.opusis.com/cameras/my4x5_2.jpg! - Wayde ([EMAIL PROTECTED]) ___ Cameramakers mailing list [EMAIL PROTECTED] http://rmp.opusis.com/mailman/listinfo/cameramakers
Re: [Cameramakers] Bellows Material Cordura
Hi Wayde, I had a couple of questions on the camera that you built... Do you remember what type of Cordura that you used? Did you use it for both inside and outside .Is your bellows very stiff? how deep were the folds ?/How does it collapse and what did you use for stiffners... Below is a list from the Cordura web site. I would imagine that some of the cordura is a little to bulky for camera use... the CORDURA® Plus 160-68-T440 looks like their lightest , but it is a blend . You can see all the descriptions on their web site... Evidently you can get samples... Thanks, John Cremati. This section provides the fiber and fabric options in the CORDURA® product line, including our three latest products-CORDURA® Plus NaturalT, CORDURA® Plus ColorLockT and CORDURA® Plus CatT. No matter what products you're creating, you can count on CORDURA® to make them durable and keep your customers satisfied. For fabric samples, see the suppliers list. Fiber Options-North America CORDURA® 1000-140-T440 CORDURA® Plus 1000-280-T440 CORDURA® Plus 500-140-T440 CORDURA® Plus 330-122-T440 CORDURA® Plus 160-68-T440 CORDURA® Plus 2000-560-T440 CORDURA® Plus 1350-560-T440 CORDURA® Plus NaturalTM (1000- and 500-deniers) CORDURA® Plus CatTM (1000- and 500-deniers) CORDURA® Plus ColorLockTM (1000- and 500-deniers) Blends (all with 330-denier CORDURA® Plus): CORDURA® Plus/acrylic CORDURA® Plus/Lycra® brand spandex CORDURA® Plus/Supplex® nylon CORDURA® Plus/Taslan® nylon From: J. Wayde Allen [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Tuesday, October 15, 2002 1:44 PM Subject: Re: [Cameramakers] Bellows Material Cordura On Sun, 13 Oct 2002, John Cremati wrote: Has anyone tried using Cordura Nylon as the outer layer in bellows fabrication ? It is supposedly the toughest fabric on earth and is water proof...( they are using it to make Fishing Waders...) The deener 160 blend seems to be there thinnest material as they are using it for clothing. http://www.cordura.com/ Any suggestions? Yes, works like a charm http://rmp.opusis.com/cameras/my4x5_2.jpg! - Wayde ([EMAIL PROTECTED]) ___ Cameramakers mailing list [EMAIL PROTECTED] http://rmp.opusis.com/mailman/listinfo/cameramakers ___ Cameramakers mailing list [EMAIL PROTECTED] http://rmp.opusis.com/mailman/listinfo/cameramakers
Re: [Cameramakers] Bellows Material Cordura
Only three of the suppliers had websites, and one link didn't work. The other two didn't appear to sell to consumers. I was only able to find one website, http://www.rockywoods.com/, selling the material to consumers, and they only had 400 and 1000 denier thicknesses. The 400 denier was only $10 a yard, but they do not have online ordering, so will you have to call or fax them. John Below is a list from the Cordura web site. I would imagine that some of the cordura is a little to bulky for camera use... the CORDURA® Plus 160-68-T440 looks like their lightest , but it is a blend . You can see all the descriptions on their web site... Evidently you can get samples... Thanks, John Cremati. ___ Cameramakers mailing list [EMAIL PROTECTED] http://rmp.opusis.com/mailman/listinfo/cameramakers
Re: [Cameramakers] Bellows Material Cordura
John, If memory serves me right I used that kind of product when making my bellows. I used it for the outside layer of the bellows. The inside is made out of blackout cloth sold by Porters Camera in Cedar Fall. You can see my camera and bellows at http://www.philsan.com/8x10.htm Phil John Cremati wrote: Has anyone tried using Cordura Nylon as the outer layer in bellows fabrication ? It is supposedly the toughest fabric on earth and is water proof...( they are using it to make Fishing Waders...) The deener 160 blend seems to be there thinnest material as they are using it for clothing. http://www.cordura.com/ Any suggestions? John Cremati ___ Cameramakers mailing list [EMAIL PROTECTED] http://rmp.opusis.com/mailman/listinfo/cameramakers
Re: [Cameramakers] Bellows Material Cordura
--- John Cremati [EMAIL PROTECTED] wrote: Has anyone tried using Cordura Nylon as the outer layer in bellows fabrication ? It is supposedly the ..snip.. I used black cordura for the outer layer of a bellows last year; nice and durable, but it proved stiff, making for a somewhat bulky and inflexible bellows. I don't remember what weight it was, I'm afraid. Easy to work with, however: I may try to find a lighter weight cordura (with a sample of the old stuff in hand) next time I build a bellows. -- [EMAIL PROTECTED] __ Do you Yahoo!? Faith Hill - Exclusive Performances, Videos More http://faith.yahoo.com ___ Cameramakers mailing list [EMAIL PROTECTED] http://rmp.opusis.com/mailman/listinfo/cameramakers
Re: [Cameramakers] Bellows material
Michael, I had similar thoughts once that I never acted on. I wondered about winding thin piano wire around a form to make a large weak spring in the shape of a bellows, then stitching/gluing the fabric to it. Might work for some applications. I'll have to try it someday. Gene Johnson Michael King wrote: I've seen a 6x9cm view camera made using a vinyl duct material, the trick--as you rightly pointed out--is to get it light proof. Mike I would like to make a suggestion of something I have thought about but not tried. There is a material used by heating and air conditioning installers for flexible ductwork that is very similar to the "Slinky" I played with when I was a kid. It is also similar to the dryer vent hose sold in hardware stores, but is bigger and more rigid. It comes in 6" and 8" diameter (and probably more sizes). I thought that it might work as a bellows material. There are drawbacks. It is made from very reflective foil over a wire frame, but the foil could be painted or covered internally with a non-reflective or flat black material. It is not as rigid as a fabric bellows (although extra long bellows sometimes sag anyway). And it would probably not last as long. But the price is right. It was less than a dollar a foot when I bought some to play with. A foot of it would compress down to much less than an inch. And it is very light. I was going to attach it to the front and back standards with embroidery hoops. This would allow me to change bellows about as easily as changing lenses. Since I am working on another project at this time I wanted to pass the idea along in case someone else wanted to mess around with it. I enjoy the list and appreciate the many things I have learned here. __ Do You Yahoo!? Yahoo! Auctions - Buy the things you want at great prices. http://auctions.yahoo.com/ ___ Cameramakers mailing list [EMAIL PROTECTED] http://rmp.opusis.com/mailman/listinfo/cameramakers _ Get your FREE download of MSN Explorer at http://explorer.msn.com ___ Cameramakers mailing list [EMAIL PROTECTED] http://rmp.opusis.com/mailman/listinfo/cameramakers ___ Cameramakers mailing list [EMAIL PROTECTED] http://rmp.opusis.com/mailman/listinfo/cameramakers
