From: Myron Ort (email suppressed)
Date: Mon Jun 28 2010 - 18:45:13 PDT
Yes, I have done this with a B&H that had double sprockets but single
claw, it worked fine. Never tried it with a bolex. Much easier if you
can remove the sprocket wheels in order to file or grind off the
outside sprockets.
Myron Ort
On Jun 28, 2010, at 5:02 PM, Pablo Marin wrote:
> Thanks David,
>
> well, this camera has double sprockets but single perf claw. it has
> the silvery speed knob, also, as you noted.
>
> what about removing the sprocket part and filing out (smoothing
> out) the extra side? anyone has ever tryed that?
>
>
> best,
> p.
>
>
>
> --- On Mon, 6/28/10, David Tetzlaff <email suppressed> wrote:
>
> From: David Tetzlaff <email suppressed>
> Subject: Re: [Frameworks] single perf through double perf
> To: "Experimental Film Discussion List"
> <email suppressed>
> Date: Monday, June 28, 2010, 5:49 PM
>
> On Jun 28, 2010, at 4:25 PM, Pablo Marin wrote:
>
> > hello all,
> >
> > a simple question that i'm sure has been made here before: is
> > possible to run single perf 16mm in an old bolex with double perf
> > bolts (or whatever their name is)?
>
> I assume you mean sprockets? Anyway the answer is NO.
>
>
> > Can those bolts be replaced?
>
> Yes, if you can find the parts. But a camera with double-perf
> sprockets probably has a double perf claw. Single perf film won't work
> with that either, and replacing or modding the claw is not so easy.
> I've done it on a Filmo, but they're easy to take apart. A Bolex, not
> so much. Also, any Bolex old enough to have a double-perf claw, would
> I think, be so old as to predate the Bolex 'registration claw'
> movement, and I'd guess it would be more efficient to just look for a
> newer body than try to fix up that old one.
>
> The tell-tale sign is the cameras with the old movement have an all
> silver speed setting knob, and the ones with the newer mechanisms have
> a black-ish speed knob.
>
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