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Topic: Bolex h8 Rex 4 threading
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Luigi Castellitto
Jedi Master Film Handler
Posts: 715
From: Campobasso, Italy
Registered: Jun 2013
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posted June 13, 2015 08:02 AM
Thank you, Bryan, I seem to remember that you have a H8 Rex 4, right?
You're right, when I making the photo I forgot to rotate the loop (IMPORTANT!), but I gave it to be understood.
Ah, I saw that video but the H16 not have the little part at righ with the second screw (I find it difficult to explain in English), but, yes, have same metohod for put the film. So it's more intuitive put the film in the right hole, on the H16.
Ah, I event don't move the run switch on "M" (as in video), I prefer to press the frontal run key. With the "M" the film runs too fast! ![[Smile]](smile.gif)
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Luigi Castellitto
Jedi Master Film Handler
Posts: 715
From: Campobasso, Italy
Registered: Jun 2013
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posted June 13, 2015 01:59 PM
Fabrizio, I know it's strange, I have a manual of an oldest H8 and it threadings as photo 2 (and many H8 charge so), but the Rex 4 is threading, I THINK, as the photo 1.
I would like to show because the H8 Rex 4 model loads as in photo 1, but it is difficult to photograph of film the important point which would not allow the film to pass. It's a little metal tongue.
But yes, I always threading with 18frame/s.
This is H8 Rex 3, with mechanism simil to H16 of video. Threading like H8 Rex4 but without little metal piece at right.
I'm writing a little 'everywhere online to dispel the doubt. There isn't a separate manual for H8 Rex 4 but only one additional sheet that explains the difference on the pinion of the motor.
[ June 13, 2015, 06:07 PM: Message edited by: Luigi Castellitto ]
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Luigi Castellitto
Jedi Master Film Handler
Posts: 715
From: Campobasso, Italy
Registered: Jun 2013
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posted June 14, 2015 07:49 AM
Yes, elsewhere responded that you have to follow the photo 2, but (again, I know it's weird) remain in doubt that the ONLY Rex 4 has a variation of the mechanism.
And take into account that:
- The part of the camera where the white arrows are printed is the same as the other models, to save productions of piece, not done one specific for Rex 4
- The mechanism where you should put the film in the photo 2 is different from the other Rex, only TOP looks identical.
However they are only hypotheses, I'm not sure of any of the two options, I'll do a video for explain the differences.
EDIT:
In this video you can see how the camera is loaded with the method of photo 1. The film has no hitch.
https://www.youtube.com/watch?v=blXD3vPlOBo&feature=youtu.be
In this video you can see how the camera can not "pull" the film with the method of photo 2. I tried to film the detail of the mechanism.
As mentioned before, the mechanism only from above seems like any other H8 Rex, but if you look carefully you see that it is done on purpose to make only "support" the film on his side, but not to "contain" the film.
https://www.youtube.com/watch?v=rWBZYXPMjSM&feature=youtu.be
Of course, all this is just to see if the problem is of my camera or not, and also to inform about this curiosity of Bolex H8 Rex 4.
[ June 14, 2015, 02:22 PM: Message edited by: Luigi Castellitto ]
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Luigi Castellitto
Jedi Master Film Handler
Posts: 715
From: Campobasso, Italy
Registered: Jun 2013
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posted June 16, 2015 07:54 AM
Yes, Fabrizio, I usually leave the natural curvature, but somehow I saw tutotial that "smooth" the film and I tried, but also with the natural curvature is the same thing: like in the picture 1 film slips and all is well (that you say? it seems to me that the film flowing very well, and the film does not show scratches), but if I put it like in the picture 2 does not enter and the film is scratches at height of holes.
Have you noticed that the piece of metal on the right, although in the video we see little, is built precisely to allow for support of the film? Everything is curved to the left to make space for the film stuck to his right, and it does not seem damaged.
However, to try to unravel the question, I am going to give me a book about Bolex, which should also report updates after Rex 3. We hope there is something!
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Luigi Castellitto
Jedi Master Film Handler
Posts: 715
From: Campobasso, Italy
Registered: Jun 2013
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posted June 20, 2015 11:13 AM
If the film does not load as in photo 2, it would depend from the little metal tongue which I framed well in this photos.
Or... is the entire piece of metal only screwed too far to the left (also because the little tongue is of very hard metal and there isn't sign of bending): I can make this test with slightly loosening the screw without doing damage. I keep you updated.
I tried to ask the Bolex Switzerland, they are very professional, they would remove all my doubts, but I should send it and for a machine that works well (by loading it from the other side without that the film is damaged), that I use for years without any problem, which has a good stability of the film, it is well greased, which is essentially in good condition, do not feel like spending more than €300 for a little metal piece, understand me, eheh! ![[Big Grin]](biggrin.gif)
Can anyone confirm that the little is in right position? Other suggestions?
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