Nukemzzz Posted January 30, 2021 Report Share Posted January 30, 2021 Putting the cowl back together after installing the EI R1 tach I discovered that the center bar of the avionics stack wouldn’t take a screw. 5 of the 6 nut plates here are broken. Anyone have any tricks or advice for addressing this? I assume we need to call Lasar and get exact replacements, drill and rivet in new ones. But maybe someone has a better idea that gets me back up faster. Quote Link to comment Share on other sites More sharing options...
chriscalandro Posted January 30, 2021 Report Share Posted January 30, 2021 Spruce has them. Temporarily you could stick a piece of zip tie in stripped ones and see if they thread. 1 Quote Link to comment Share on other sites More sharing options...
47U Posted January 30, 2021 Report Share Posted January 30, 2021 Rivnuts. I have a mix - four positions are sheet metal nut plates, but the forward two positions are 10/32 rivnuts. Don’t mix them up when putting the fasteners back in. 2 Quote Link to comment Share on other sites More sharing options...
M20F-1968 Posted January 30, 2021 Report Share Posted January 30, 2021 Obtain thread sizes and distance and size of the mounting holes from Spruce or other. Drill out and replace. A pneumatic rivet squeezer will likely be helpful if it fits, or a hand squeezer. John Breda 1 Quote Link to comment Share on other sites More sharing options...
Aerodon Posted January 30, 2021 Report Share Posted January 30, 2021 I know these are quite pricey, but if you are replacing several 1/4 turn fasteners, might be time to upgrade: https://store.skybolt.com/mooney-c724.aspx I also like the 'epoxy in place' nut plates from click bond - especially useful for hard to access places or if you don't have all the tools for nut plates. Aerodon Quote Link to comment Share on other sites More sharing options...
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