![]() One other comment, for those who are not familiar with a properly set cherrymax, make sure you learn and check these rivets. So if you are following the video and still having issues, try ordering another batch from a different source. Visually, I could not tell the difference between the two. Not sure why a different batch mattered, but it did. Not a single failure with the new batch, setting 30 rivets. Not cheap, but was able to get them for $1 each when ordering 50 through Aircraft Tool Supply. Finally walked away and decided to order a new batch of rivets. Despite all of this, I was getting maybe 1 in 4 rivets to set properly. I have the cherrymax hand tool, and lubricated the rivets like in the video. For starters, I have set many cherrymax rivets over the years with zero issues. Thought I would share my experience setting the CR cherry max rivets on the RV12is fueslage spar assembly. The (usually steel) mandrel can be driven out and the rivet head drilled as with a solid rivet. To easily remove a CherryMax rivet, the lock ring should be ground away, with a pencil grinder or a high-speed grinder and cutoff wheel. ![]() This is one reason why CherryMax rivets are approved on Standard Category aircraft size-for-size with solid rivets. ![]() The CherryMax rivet uses a washer ("anvil") to set the lock ring, so a standard "pop rivet" puller can usually be used to set them. This lock ring is important as it positively locks the mandrel in place and allows the rivet to develop design strength. The main drawback to the CherryLock rivet was the requirement for a specialized, expensive puller that would set the mandrel lock ring during the pulling process. īefore the CherryMax blind rivet was introduced, The CherryLock rivet was the structural blind rivet of choice. Here is a good explanation of how CherryMax Rivets work, and what happens when one is properly set. ![]()
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