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  #11  
Old 01-04-2019, 11:16 AM
PilotjohnS PilotjohnS is offline
 
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Quote:
Originally Posted by Bruce View Post
Brandon,
You can also flip your dies in the dimple machine and you can get rid of the drag marks from hole to hole.

Boomer
I think the drag marks are caused by the alcad. The outer pure aluminum part of the alcad is very soft. The marks dont matter, but I try to avoid them.
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WARNING! Information presented in this post is my opinion. All users of info have sole responsibility for determining accuracy or suitability for their use.

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  #12  
Old 01-04-2019, 11:25 AM
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JonJay JonJay is offline
 
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Originally Posted by bkmerrill View Post

I cannot see the inside of the skin because the stiffener is already in place. I’m considering drilling out the stiffener enough that I can inspect the inside surface of the skin.
Don’t do it! You risk causing far greater damage.
Polish the hole a bit with scotchbrite and it will dull the surface giving you a better idea of the depth of the creases.
Since it is backed by the stiffener, you might try planishing the surface. Most dont have planishing tools, but a cuticle tool “pusher” will work. It won’t “fix” it but I have had success making the area smoother.

This is really minor damage.
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  #13  
Old 01-04-2019, 11:53 PM
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ScottSchmidt ScottSchmidt is offline
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Join Date: Dec 2005
Location: Salt Lake City, Utah
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I agree with everyone, it does not look bad at all. Put a rivet in it and see how it pulled together. If not, you could do an oops rivet.

When I built mine I did not like the way the fiberglass top merged into the tailbone. I filled all the rivets from the top skin of the tailcone as well as the rudder and VS. I really liked how it turned out and would do it again. You could do the same for the rudder and VS. Mine look like they are carbon fiber they are so smooth. I did not do the HS or elevators.

Just a thought. Keep pounding away and get flying!
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  #14  
Old 01-05-2019, 11:01 AM
David Paule David Paule is offline
 
Join Date: Dec 2009
Location: Boulder, CO
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Quote:
Originally Posted by Bruce View Post
Brandon,
You can also flip your dies in the dimple machine and you can get rid of the drag marks from hole to hole.
Boomer
After missing the die once or twice, with the male one on top, I moved the die to the bottom of the frame. Yes, sometimes I get a mild mark, no biggie, but having that male one on the bottom makes locating the hole much more likely.

Dave
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  #15  
Old 01-06-2019, 11:31 AM
RandyAB RandyAB is offline
 
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Location: St Albert, Alberta, Canada
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'Tis but a flesh wound!

I did that too. My kids learned a few new words that day.
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  #16  
Old 01-06-2019, 12:01 PM
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az_gila az_gila is offline
 
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Quote:
Originally Posted by David Paule View Post
After missing the die once or twice, with the male one on top, I moved the die to the bottom of the frame. Yes, sometimes I get a mild mark, no biggie, but having that male one on the bottom makes locating the hole much more likely.

Dave
I leave the female die in the bottom and take the C-frame return spring out.

I can then lift the die and place it in the hole manually, when I hit it I know the hole will be correct. Lifting the male die prevent any scratches.
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  #17  
Old 01-07-2019, 09:20 AM
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JonJay JonJay is offline
 
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Quote:
Originally Posted by az_gila View Post
I leave the female die in the bottom and take the C-frame return spring out.

I can then lift the die and place it in the hole manually, when I hit it I know the hole will be correct. Lifting the male die prevent any scratches.
I am with David on this one. Having the mail on the botom allows you to quickly locate the next hole and keep moving along the line efficiently. I never scratched any skins.
Whatever gets the job done but make sure you don't accidentally drop the ram or you are going to be very unhappy with yourself.
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