[rollei_list] Re: about 6x6 slide projectors
- From: Don Williams <dwilli10@xxxxxxx>
- To: rollei_list@xxxxxxxxxxxxx
- Date: Wed, 05 Oct 2016 18:50:12 -0500
At 05:28 PM 10/5/2016, you wrote:
FWIW, if its a rubber belt its possible that belt dressing may get
it working, at least for a while. Belt dressing is sold in auto
parts stores. I've used it on typewriter platens that had gotten
glossy and slippery. Worked fine and didn't seem to do any damage.
Especially if replacement belts are hard to find this may be an
answer and is at least worth trying.
As someone who has never seen inside those machines, exactly what
style belt is it?
In the long-ago I had a project for Kodak that required a blower to
handle microfiche and cool a projection lamp. We needed a belt for
the blower, which, at the time, was in high production for gasoline
filling stations, being used to handle gas vapor in California. That
eventually went out of style when the "balance" system was used on
the vapor return hoses from the nozzles.
Anyhow, the pulley on the blower was a cheap V-shape and I used a
V-shape pulley on the motor. I decided to use a rubber rod "flexible
rod*" and after deciding on the proper length I had the rod cut very
clean at a 30 degree angle and joined the ends with what we now call
"super glue", then it was Eastman 910 glue.
It was just something for lab/development but went right into
production. No need for a custom belt.
DAW
*Not sure what it would be called, it was a rubber tube with no
center hole, whatever that's called.
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