8mm Forum: Film end trimming

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Topic: Film end trimming

Tim Christian
Expert Film Handler

Posts: 219
From: Norfolk, UK
Registered: Jun 2003

posted December 05, 2003 03:29 PM

I'm trying to find out which shapes of film end suit which auto-load projectors best. Within the limtations of text format, the most common forms of end shapes are shown below. Some suit some projectors better than others. For example, on the 'straight cut' gives a reliable load with my Eumig Mark S. It will not accept the 'tongue' shape reliably.

Could you please let me know (direct email)

1. Which shape is best for which projector

2. Which projector desn't like a paricular shape

___
|o |
|o | straight cut

__
/ \
|o | tongue

_--_
|o | radius (shallow curve)

_
|o\
|o \
|o \
|o | taper (usually over 2 inches or so)

I'll publish the results.

Thanks.

--------------------
Tim

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Tony Milman
Phenomenal Film Handler

Posts: 1336
From: United Kingdom
Registered: Jun 2003

posted December 06, 2003 03:30 AM

Hi Tim,

My Elmo's seem to be fairly forgiving but they get real excited when I offer them a radius made with the built in splicer.

My Sankyo is also content with a radius.

Tony

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Tony

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Kevin Faulkner
Film God

Posts: 4071
From: Essex UK
Registered: Jun 2003

posted December 06, 2003 06:28 PM

Elmo's prefer the Radius type trim using the built in trimmer. Offer them a trimmed end which does not put that first sprocket hole in the right place and you will be sitting there for eternity waiting for the first sprocket wheel to grab the film.

Kev.

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GS1200 Xenon with Elmo 1.0...great combo along with a 16-CL Xenon for that super bright white light.

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Barry Johnson
Master Film Handler

Posts: 358
From: United Kingdom
Registered: Jul 2003

posted December 11, 2003 02:27 PM

A slight diagonal cut seems to work wellon my S8 machines,as it does for 16mm too.

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Standard8 rules!!

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Steve Klare
Film Guy

Posts: 7016
From: Long Island, NY, USA
Registered: Jun 2003

posted December 11, 2003 03:58 PM

Hmmmm.....

Pretty soon I'm getting a second sound projector. When that happens I'll have a Bolex SP-80 Special (Really a Eumig 810 in Bolex Clothing) and an Elmo ST-800 (the new addition).

Is there any end trim that will work on both machines?, or every time I switch machines will I have to nibble a little more off my films?

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All I ask is a wide screen and a projector to light her by...

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Tim Christian
Expert Film Handler

Posts: 219
From: Norfolk, UK
Registered: Jun 2003

posted December 11, 2003 04:14 PM

Steve, that's the reason I always put 30" (75 cm in Euros) of leader on my films. It is enough to get through to the take-up spool on all the projectors I've tried and allows for retrimming. When it loses 4" or so, I add a bit more on. If you use tape or overlap cement splices it also pulls the odd hair out of the gate!

Add 12" of leader to the end as well in case creases from reels break bits off.

--------------------
Tim

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