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How much film will a 100' daylight spool hold?


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#1 Dennis Goble

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Posted 09 May 2009 - 07:32 PM

Yes I know it's a 100' spool. I just want to know the actual amount that can be wound onto the spool when it's completely full. Seems I'm getting a lot more than 100' on it.
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#2 Tom Jensen

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Posted 09 May 2009 - 09:01 PM

110'
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#3 Jonathan Bowerbank

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Posted 10 May 2009 - 12:29 AM

110' "safely"

There's still room on the spool of course. If you have one in a mag on the take up side, I suspect it'd be just as good as using a core if you're rolling 400'. Although the daylight spool itself can be noisy sometimes.
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#4 Chris Millar

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Posted 10 May 2009 - 01:19 AM

Remember with super16 you'll fog up sooner as the image is projected closer to the edge
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#5 Simon Wyss

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Posted 10 May 2009 - 03:37 AM

220' of Gigabitfilm, thin variant
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#6 Dennis Goble

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Posted 10 May 2009 - 08:47 AM

Thanks Guys for the replys
I am winding the film on myself so I know I have to load it in total darkness(no wobble).
They should have 110 on them from the factory. There is a lot of space left.
Wow 220'? How thin in that gigabit film Simon?
I know I've got more than 110' so I guess it's not safe???
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#7 Tom Jensen

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Posted 10 May 2009 - 01:48 PM

Thanks Guys for the replys
I am winding the film on myself so I know I have to load it in total darkness(no wobble).
They should have 110 on them from the factory. There is a lot of space left.
Wow 220'? How thin in that gigabit film Simon?
I know I've got more than 110' so I guess it's not safe???


You need to wind the film all the way onto another 400' reel first so the edge numbers are correct when you wind it onto the 100' loads, otherwise they will be backwards. Don't go too fast and make certain that you haven't twisted the film so it ends up emulsion out. Don't wind too fast or you may create static sparks.
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#8 Dennis Goble

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Posted 10 May 2009 - 03:47 PM

Thanks but back to the original question. How much can I really get on there? I know it's more than 110 feet.
How much to the edge of the reel?

Guess no one really knows?
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#9 Anthony Schilling

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Posted 10 May 2009 - 04:28 PM

Thanks but back to the original question. How much can I really get on there? I know it's more than 110 feet.
How much to the edge of the reel?

Guess no one really knows?

I don't know the exact amout, but when you buy 100ft daylight spools you get a little more than 100ft (customer allowance) maybe 110? with a 400ft core you get exactly 400ft. I spooled a 400ft core onto 4 100ft daylight spools once... By the 4th spool, I was only able to fill about 2/3rds with what was left on the core.
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#10 Tom Jensen

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Posted 10 May 2009 - 05:04 PM

I don't know the exact amout, but when you buy 100ft daylight spools you get a little more than 100ft (customer allowance) maybe 110? with a 400ft core you get exactly 400ft. I spooled a 400ft core onto 4 100ft daylight spools once... By the 4th spool, I was only able to fill about 2/3rds with what was left on the core.


You probably loaded 110' each time and by the time you got to the end you had a small 4th roll. The key is to not over fill the 100' load. You can simply place your finger between the edges of the spool and feel how much film you have spooled. If you overload the spool, it may unwind a little and slip off the edge of the spool on the feed. On the take up as the film fills up the spool and it may start taking up on the outside edge of the spool causing your camera to jam. It's best to put 100-110'. Remember also that more film takes up faster as you get to the end. It takes more winds to wind the first ten feet that the last ten feet.
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#11 Jason Hinkle (RIP)

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Posted 11 May 2009 - 11:56 PM

i'm curious, what equipment is used to re-spool film?
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#12 Tom Jensen

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Posted 12 May 2009 - 12:24 AM

i'm curious, what equipment is used to re-spool film?


2 split reels, one on the left to feed and one on the right to take up. Once you've wound down the 400' you move full reel from the right on put it on your left. Place a 100' spool on the right rewind thread your spool and wind it down until it fills the spool. Don't fill the spool entirely. You should leave about an 1/8th to 1/4 inch of the spool empty. Don't rewind too fast and don't twist the film.
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#13 Jim Hyslop

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Posted 12 May 2009 - 06:06 PM

Thanks but back to the original question. How much can I really get on there? I know it's more than 110 feet.
How much to the edge of the reel?

Guess no one really knows?

Maybe a local lab would have the answer?
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#14 Simon Wyss

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Posted 14 May 2009 - 04:17 AM

Wow 220'? How thin in that gigabit film Simon?

Gigabitfilm, ISO 40, in 16mm, perforated along one edge .3000" has 0,068 mm or .0027" dry thickness.
You can have nominal portions of 100, 200, 400, and 800 feet on 2" core, emulsion in, winding A or B. The additional length is always 8 feet. Everything else by PM
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#15 Tom Jensen

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Posted 14 May 2009 - 11:49 AM

Thanks but back to the original question. How much can I really get on there? I know it's more than 110 feet.
How much to the edge of the reel?

Guess no one really knows?


OK, 115-120. DON'T LOAD TO THE END! YOU'VE BEEN WARNED! There is a reason Kodak doesn't load the spools to the edge. Just do what they do and you can't go wrong. There is no need to go to the end. Bad things happen.
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#16 Jim Hyslop

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Posted 14 May 2009 - 05:39 PM

OK, 115-120. DON'T LOAD TO THE END! YOU'VE BEEN WARNED! ... Bad things happen.

Hmmm... I'm kinda weak on this whole good/bad thing. Can you define "bad"?

--
Jim
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#17 Tom Jensen

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Posted 14 May 2009 - 06:29 PM

Hmmm... I'm kinda weak on this whole good/bad thing. Can you define "bad"?

--
Jim


I just realized there was another thread on this same topic. The film starts to unwind a little and can come off the spool and as it takes ups it can get caught on the outside edge of the spool and the camera can jam. Trust me I've done it. Kodak doesn't go to the edge for a reason and it probably has more to do with light leak if anything but hey don't do it and neither should you.
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#18 Simon Wyss

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Posted 19 May 2009 - 04:23 AM

Kodak doesn't go to the edge for a reason and it probably has more to do with light leak if anything but hey don't do it and neither should you.

Why only Kodak?
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#19 Tom Jensen

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Posted 19 May 2009 - 10:26 AM

Why only Kodak?


I didn't say only Kodak does this.
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#20 Simon Wyss

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Posted 20 May 2009 - 10:54 AM

Let's not get etchy. I'd simply have appreciated that you wrote film manufacturers. There is not only EKC on this planet but also Fuji Photo Films, Oriental, Agfa-Gevaert, Foma Bohemia, Filmotec, Bergger, Tasma, Lucky, Efke. That is all.
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