120 Rolls Slipping in Jobo Reels

[mercurye]

Hi all,

I usually develop 2 rolls per reel in the Jobo reels in a Multitank 5 with ATL-1000, using the red clip to separate them. Usually after developing the reels and taking the film out, I will find them over-lapped, (but both developed properly), ostensibly from the constant cyclical motion of the tank. However, I believe due to the new Kodak film base--which is thinner--I've just now had a roll overlap and stick together when dry, preventing the entire roll from developing properly. I was wondering if anyone else has had this problem, and if there is a way to prevent it.

 

[ic-racer]

Are you sure the first roll of film is pushed all the way to the center and stops before engaging the red clip?

 

[pentaxuser]

How much thinner is it? I'd be surprised if it is enough to give you the loading problem you seem to have. ic-racer may have made a valuable suggestion in terms of where to check first

pentaxuser

 

[Peter1111]

Loading reels is a talent. Best of luck!

 

[Neal]

I have had times where the spiral part of the Jobo reel became misaligned with the hub and can imagine where such a situation would allow film to slip past the pin. Since I started ensuring proper alignment before loading the problem has not recurred. (Of course, this might have nothing to do with your issue.)

 

[MattKing]

I expect that the change in substrate would result in a change in how "slippery" the wet film is - in my experience with non-JOBO reels that is the factor that creates most of the difficulties.

 

[pentaxuser]

I expect that the change in substrate would result in a change in how "slippery" the wet film is - in my experience with non-JOBO reels that is the factor that creates most of the difficulties.

Assuming the OP loads the film "dry" so no wet film on loading, does the above mean that once processed and thus wet, the substrate will allow the film to do what it has done with non Jobo reels only? However as he has Jobo reels can he exclude this as the answer? If so, I don't understand the significance of your post to the OP's problem

pentaxuser

 

[MattKing]

As I understand it, the OP was doing this successfully before with film on an acetate base, but is having problems with the new films on a polyester/Estar substrate.
So I expect that the change in substrate is causing the film to behave differently in the reels.
I doubt that the reels were designed with the new substrate in mind - it basically wasn't used for any roll films back then.