Re: Shutter how do you do the test
You can use your sound card on PC and a photo transistor with some work.
Dave
Re: Shutter how do you do the test
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Re: Shutter how do you do the test
Re: Shutter how do you do the test
Re: Shutter how do you do the test
Just try this shutter test work great simple to build.
Screen was good after find out how to use the software
Try out on a Pearl Rive S4 and ever setting speed was right.
I use one Cadmium Sulfide and just a phone plug Radio Shack 276-1657
Dave
Quote:
Originally Posted by
smithdoor
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Re: Shutter how do you do the test
Re: Shutter how do you do the test
Quote:
Originally Posted by
smithdoor
I have test shutters with clocks, lathe and motor just by taking a photo this is not hard to do. Most motor on no load run at 1800 or 3600 rpm does good job for high speeds. I was telling a member early this month on how to do this check. for slow speed check I use a lathe on slow speed it to has a known rpm. Clock is same way. Use a bright light a
flash will NOT WORK
Dave
[This is off the
http://tech.groups.yahoo.com/group/c.../message/30439
If you can find a 78 rpm record player and record, your problem would be solved by seeing how many degrees a white line from the center point of the record traveled while the shutter was open.]
For those of us who still have access to a 78rpm turntable I for one would be grateful if you could let us into the secret please.
Re: Shutter how do you do the test
Quote:
Originally Posted by
Roger Hesketh
For those of us who still have access to a 78rpm turntable I for one would be grateful if you could let us into the secret please.
Me too; I've been itching to fire up the Victrola before heading out to have my fedora blocked at the local haberdasher's!
Re: Shutter how do you do the test
After that I will watch the Boston Americans play the Pittsburgh Pirates; I hear that Honus Wagner is a fine ball player.