R

rdt7

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Working on riveting the tail cone back where the tail wheel support is. See picture. We've been able to buck the ones on the flat surface but can't get a bucking bar on the curved surface. Any ideas? Can pulled rivets be used in these hard-to-reach places?

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We used the small square tungsten bucking bar for these, if I remember correctly. careful not to dig the corners into the skin.
 
They make curved bucking bars of different sizes and configurations. I didn't use mine a lot on my 7, but they sure were handy when nothing else would work.
 
Those are tricky as are the rearmost bulkhead. My inspector didn't like a couple of my bucked rivets so I drilled them out and replaced them with a couple CR3214-4-02 or CR3214-4-03 Cherrymax rivets. These are NAS1097 rivets for #30 holes, but with #40 dimples. I feel much better about these than the questionable bucked rivets. Bought them in 10 packs through Genuine Hardware (most expensive rivets I ever bought, but that's another story).
 
Dr_Dave_MT said:
Yes! That is my favorite little bucking bar. Tiny, but dense. In a bind you could walk down a dark alley with this puppy and feel good with her in your hand.
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Thanks for the replies. We finally got these with the tungsten bucking bar but I am going to buy a curved bar if I can find one.
 
You could also try using the back side of a squeezer yoke. That is what worked for us. Here is a link to the video that I made where I mentioned it (at 06:20) :
 
PHX10Builder said:
You could also try using the back side of a squeezer yoke. That is what worked for us. Here is a link to the video that I made where I mentioned it (at 06:20) :
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Austin, this is one of the best building videos I've seen. Lot's of useful information. Using the squeezer yoke is a brilliant idea!
 
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