Hi there everyone,
I'm new to the group and new to the Sputnik. I've been busy flocking, tweaking, etc today but my biggest problem is the left slave shutter is not opening completely when fired as the lever in between the two lenses does not push far enough up on its own. What I can't figure out for the life of me is how to get the plate off that would allow me to tinker with the shutter mechanisms underneath. Anybody out there to give me a clue?

-Grant

I don't know that you can get it off...and get it back together ;-)

But what you can do is:

"modify the shutter sync lever as Jeff Pierce developed here. 

I only needed to glue on the metal square that connects to the slave shutter (left eye).  The right eye side of the sync bar needs no modification (Jeff uses a circle of wire) because of the way the springs are connected. On the left shutter, the bottom of the wire square must run behind the existing tab on the sync bar.  If it is in front, the left shutter won't be able to close fully.  The top of square needs to just fit.  It also needs to be on an arced angle so that it doesn't restrict the shutter on the way up.  However, it must remain in direct contact through the motion so that it can pull it back down.

Both my stiff wire and the sync bar are aluminum.  The oxide on the surface of the metal makes it difficult for the epoxy to form a strong bond.  The solution is to mix your epoxy, cover the two surfaces with epoxy, scratch them up with sand paper while still covered, and then put them together. This reveals a pure aluminum surface on both sides that the epoxy can bond with.  I used a third hand tool to hold everything in place while it set for an hour."

Excerpted from my larger Sputnik post here:
http://www.kryptosinistographer.com/2008/03/retrofitting-my.html

Drowning the shutter in naptha is also useful.

Good luck!

Aaron

grantd5 wrote:

Hi there everyone,
I'm new to the group and new to the Sputnik. I've been busy flocking, tweaking, etc today but my biggest problem is the left slave shutter is not opening completely when fired as the lever in between the two lenses does not push far enough up on its own. What I can't figure out for the life of me is how to get the plate off that would allow me to tinker with the shutter mechanisms underneath. Anybody out there to give me a clue?

-Grant

Hi Aaron,
Thanks for your reply. Just to let you know, I've looked at your Sputnik modification page quite a bit and its been a huge help so thanks so much for making that available to everyone. Unfortunately it looks like Jeff Pierce's page is down at this point. I'm gathering from your description that wire is attached to the lever to make it function more smoothly but what exactly is this square piece? I'll also find some naptha first thing to give it a soak. Again, you've already been a huge help so I'm much obliged.
Grant

Grant,

Glad it has been a help.  I saw many resources in little tidbits here and there and tried to bring them together.  Use this link:

http://web.archive.org/web/20070218040726/http://users.adelphia.net/~jp1/Sputnik/index.html

Look at  the bottom of the page for an image of how a square of wire is attached to the left eye side of the shutter sync lever.  I bent a paperclip into a square and then arced out the top a bit...this keeps it from sticking...you'll see when you operate it with the mechanism open.

Good luck!

Now that Jeff's page is down, I will try to incorporate some of his images and info into my own page.

Best,
Aaron

grantd5 wrote:

Hi Aaron,
Thanks for your reply. Just to let you know, I've looked at your Sputnik modification page quite a bit and its been a huge help so thanks so much for making that available to everyone. Unfortunately it looks like Jeff Pierce's page is down at this point. I'm gathering from your description that wire is attached to the lever to make it function more smoothly but what exactly is this square piece? I'll also find some naptha first thing to give it a soak. Again, you've already been a huge help so I'm much obliged.
Grant

BTW, Naptha = Ronsonol Lighter Fuel.  Available at most hardware stores and even grocery stores.

grantd5 wrote:

Hi Aaron,
Thanks for your reply. Just to let you know, I've looked at your Sputnik modification page quite a bit and its been a huge help so thanks so much for making that available to everyone. Unfortunately it looks like Jeff Pierce's page is down at this point. I'm gathering from your description that wire is attached to the lever to make it function more smoothly but what exactly is this square piece? I'll also find some naptha first thing to give it a soak. Again, you've already been a huge help so I'm much obliged.
Grant