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Johnphoto
Tinkerer Username: Johnphoto
Post Number: 16 Registered: 03-2008
Rating: N/A Votes: 0 (Vote!) | Posted on Thursday, March 12, 2009 - 10:23 pm: |
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I have a Compur Rapid (#0 size) that arrived firing at the same speed b through 200; faster on 400. I thought a naptha flood cleaning might fix it, but no joy. I notice a spring that didn't seem to be attached to anything at one end. Normal? |
Bossman
Tinkerer Username: Bossman
Post Number: 32 Registered: 02-2009
Rating: N/A Votes: 0 (Vote!) | Posted on Thursday, March 12, 2009 - 11:06 pm: |
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Yes, that spring is correct....if you turn the speed ring in your photo all the way counter-clockwise, it engages that "mystery spring" for the kick needed for the 1/400 speed setting (or whatever the top speed is). As far as the other problem goes.....without seeing it, I just don't know. Look to see if the various parts of the slow-speed-geartrain are working. |
Rick_oleson
Tinkerer Username: Rick_oleson
Post Number: 835 Registered: 07-2006
Rating: N/A Votes: 0 (Vote!) | Posted on Friday, March 13, 2009 - 04:55 am: |
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The escapement that controls the speeds from 1 to 1/200 second are around to the right, about at the 3:00 position in your photo. Here is a general map showing which things are where (they do vary a bit from one shutter to another, but most of the major stuff stays pretty much the same) http://rick_oleson.tripod.com/compur1.jpg |