Re: [Frameworks] Bolex EL Power question

2014-09-18 Thread Dave Tetzlaff
> Ooof. Sorry, I was imagining a battery belt. Sorry, I think my info is bad. 

Any NiCAD/NiMH battery is made up of a number of individual cells, whether it 
be configured as belt or brick. !2V almost always = 10 cells at 1.2V ea.

The only kind of battery that comes as one big singular thing is Sealed Lead 
Acid, essentially a miniu-version of a car battery. I doubt Bescor ever made 
one of those, but I'm not sure. 

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Re: [Frameworks] Bolex EL Power question

2014-09-18 Thread Dave Tetzlaff
If it shows as charged, and then runs the camera at all just not well, does it 
still show as charged after that?

A bad cable would likely produce intermittent power, not weak power.

.

The thing to do is isolate the source of the problem. Don't go out an get your 
battery recelled until you figure out what's going on.

1) Find something else that runs on 12V, and see if the battery will power it: 
how well, how long... A light is good, if you have one, as it should draw down 
the battery at a similar rate as the camera. Anything that's just electronic 
doesn't draw enough to make a good test.

2) See if another 12V source will run the camera. You can jury rig it to a car 
battery, for example. If the camera has been sitting a long time, it could be 
'stuck' and in need of a CLA. 

The source needs to be apply to supply the minimal current to run the camera, 
about 1A (1000mA). There is no such thing as a source with too much current, 
the device only draws what it needs. (The thing you can't go over is Volts, but 
few devices are that picky, so if you're a little over you'll be fine, e.g. a 
14V supply is highly unlikely to burn out a 12V device -- e.g. in 
emergencies...) Battery capacity is rated in Amp/Hours, i.e. a 3.4AH battery 
should supply 1 Amp for 3.4 hours.

..

The battery tech used in any older 16mm camera is old, old, old. The cells 
would be NiCAD's, which have low capacity, discharge quickly on the shelf, are 
subject to the dreaded 'memory effect', and are environmentally toxic beside.

If you get a battery re-celled, NEVER get it re-celled with NiCADS!!! Replace 
the cells with NiMH (Nickel Metal Hydride) cells, preferably the 
low-shelf-discharge variety. If you can't find the same cell size/shape as the 
original NiCADs for any kind of external battery, either improvise, or if that 
doesn't work, just chuck the whole thing and get something new. You can make a 
DIY belt pretty easily for a lot less than anything you can buy. If you do 
re-cell a NiCAD pack with NiMH, you'll need a new charger. NiCAD and NiMH 
chargers have slightly different electronics, and a NiCAD charger probably 
won't put out enough current to charge up the NiMH cells anyway.
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Re: [Frameworks] Bolex EL Power question

2014-09-18 Thread Isaac Brooks
Ooof. Sorry, I was imagining a battery belt. Sorry, I think my info is bad.

Isaac

On Thursday, September 18, 2014, Isaac Brooks 
wrote:

> How old is the Bescor belt? It may need recelling. I know Bescor makes
> those belts that have a builtin output cable, which is usually kindof
> skimpy compared to a four pin xlr type cable, so it could be cable damage.
>
> NiCad batteries sometimes indicate a full charge and then suffer from lack
> of power if they are methodically discharged. Those batteries are best not
> used only a little bit at a time (100ft roll, for instace) and then fully
> recharged. They begin to develope very short charge life when that happens.
> Not sure what your process is but sometimes a NiCad in decent shape can
> become "lazy" very quickly from this.
>
> Best test is to try your camera with another power source to make sure it
> isn't the Bolex. Good luck.
>
> Isaac
>
> On Thursday, September 18, 2014, Dominic Angerame <
> dominic.anger...@gmail.com
> > wrote:
>
>> I own a Bolex EL and having battery problems. I have a bescor LCR
>> portable rechargeable batter 12 volts 3.4. It charges up fine and the
>> camera indicates that the battery is charged. However it will not advance
>> nor can send power strong enough to transport the camera when loaded wiht a
>> 100 ft daylight spool.
>>
>> Any advice from someone on the list is appreciated.
>>
>>
>> Dominic Angerame
>>
>
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Re: [Frameworks] Bolex EL Power question

2014-09-18 Thread Isaac Brooks
How old is the Bescor belt? It may need recelling. I know Bescor makes
those belts that have a builtin output cable, which is usually kindof
skimpy compared to a four pin xlr type cable, so it could be cable damage.

NiCad batteries sometimes indicate a full charge and then suffer from lack
of power if they are methodically discharged. Those batteries are best not
used only a little bit at a time (100ft roll, for instace) and then fully
recharged. They begin to develope very short charge life when that happens.
Not sure what your process is but sometimes a NiCad in decent shape can
become "lazy" very quickly from this.

Best test is to try your camera with another power source to make sure it
isn't the Bolex. Good luck.

Isaac

On Thursday, September 18, 2014, Dominic Angerame <
dominic.anger...@gmail.com> wrote:

> I own a Bolex EL and having battery problems. I have a bescor LCR portable
> rechargeable batter 12 volts 3.4. It charges up fine and the camera
> indicates that the battery is charged. However it will not advance nor can
> send power strong enough to transport the camera when loaded wiht a 100 ft
> daylight spool.
>
> Any advice from someone on the list is appreciated.
>
>
> Dominic Angerame
>
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Re: [Frameworks] Bolex EL Power question

2014-09-18 Thread Scott Dorsey
What does the charge meter do when you turn the camera on?
Don't worry about what it does when the camera isn't rolling, worry about
what it does when the motor is on.

If you have left that AGM battery on the shelf for a year or two without
keeping it charged, it will be time to replace it.
--scott
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[Frameworks] Bolex EL Power question

2014-09-18 Thread Dominic Angerame
I own a Bolex EL and having battery problems. I have a bescor LCR portable
rechargeable batter 12 volts 3.4. It charges up fine and the camera
indicates that the battery is charged. However it will not advance nor can
send power strong enough to transport the camera when loaded wiht a 100 ft
daylight spool.

Any advice from someone on the list is appreciated.


Dominic Angerame
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[Frameworks] ANALOGICA 2014 /// 26.27.28 sept /// Italy

2014-09-18 Thread analogica
Dear Frameworks

if you are in Europe next week, around the Alps in the Dolomites area, 
ANALOGICA 2014 could be a good place for you.



ANALOGICA, the festival for analogue  technology, is conceived and organized by 
Resistenza Analogica as a natural follow-up and evolution of the many 
screenings made during the past years.

The festival takes place the last weekend in September and showcases a 
selection of:
cinema: super8 and 16mm films
photography: analog shots and camera obscura works
music: vinyl and magnetic tape DJs, live music using analog electronic 
instruments

ANALOGICA is an opportunity to learn about analog technologies of all kinds: 
film, photography or sound.
Discover new (and old) ways to reuse and experiment with these uncontrollable 
materials that resist the standardized digital world.

ANALOGICA also aims at being a point of reference and meeting place for the 
world of creative analog technology.
The festival is a meeting point for enthusiasts, experimenters and researchers 
dealing with slow and low-fi technologies.

ANALOGICA's first editions have been run in the city of Rome in 2011 and 2012. 
In 2013 the festival moved to the South Tyrolean mountains.
ANALOGICA is a free-of-charge and self-financed festival.
If you believe in film and in analogue media, you can support our festival here:
http://www.analogica.org/support-us.html




ANALOGICA SELECTION 2014 ///


SHORT FILMS /// 
Flabzilla by Kayleigh O'Keefe / Bill Rodgers /// 3' 20'' / super8 / 2014 / UK
PERPETUUM IMMOBILE by Marc Martí /// 4' / super8 / 2014 / Spain
Älä itke minua, äitini (Weep not for me, O mother) by Joel Autio /// 6' 33'' / 
16mm / Finnish with sub eng / Finland
Patient number 666 and others by Tribeny Rai /// 8' 45'' / 35mm / 2013 / 
India-Nepal
Vampire Times by Irene Reiserer /// 13' 27'' / 2014 / super8 / no dialogue / 
Italy

DOC /// 
The Bags, Probably 1971* by Joshua Yates /// 5'10'' / Super8 / 2013 / USA
Ghost Syndrome by Rita Piffer /// 7' 10'' / 16mm / 2013 / USA
The Voice od God by Bernd Lützeler /// 9 min 35 sec / super8 + 16mm / 2011 / 
India & Germany 
West: what i know about her by Kathryn Ramey /// 19' / 16mm / 2012 / USA

EXPT // 
No Signal Detected by Péter Lichter /// 3' / footage / 2013 / Hungary
Vale Barcelona! by Paulo Pécora /// 3' / super8 / 2013 / Argentina
LUA by Miguel Mariño /// 11' 16'' / 16mm / 2014 / Spain
Renai no Daikyouen (Banquet of Love) by Haruka Mitani and Michael Lyons /// 6' 
14'' / super8 / 2014 / Japan
Full of Fire by Rhayne Vermette /// 2' 14'' / super8 / 2013 / Canada
Untitled / Hommage à Michel Brault by Andrée-Anne Roussel Guillaume Vallée  /// 
3' 30'' / super8 / 2014 / Canada
Origins of Dreams by Rebecca Metcalf  /// 2' 55'' / Hand processed super 8mm / 
2014 / USA-Australia
The Dream of Roman Signer's Camera by David Bellard /// 3' 32'' / super8 / 2013 
/ USA

Shapes, Changes, Construction, Trees by Ben Popp /// 4' 52'' / 16mm / 2012 / USA
Black Rectangle by Rhayne Vermette /// 1' 30'' / 16mm animation / 2013 / Canada
Lines Postfixal by Christine Lucy Latimer /// 4' 5'' / 16mm silence / 2013 / 
Canada
Places with Meaning by Scott Fitzpatrick /// 3' / 16mm / 2012 / Canada
The Art of Mugging: A Collection of 16mm Portraits by Amy Strumbly /// 10' 54'' 
/ found footage 16mm / 2011 – ongoing series / USA
Assumptions of Your Phantom(sy) by Karissa Hahn /// 2' / super8 / 2012 / USA


http://www.analogica.org/programma.html




Analogica 2014 Festival
26, 27, 28 sept 2014
ORA / AUER (BZ) ITALY
:
analogica.org






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