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My Elio Alternate Project Is Underway.
- Thread starter Mark BEX
- Start date
Eventually you have to and not just one if you want to keep up with our orders.......
This video is about rivnuts which I have decided to use quite extensively in the BEX.
I have always been aware of rivnuts, love the theory of them, but I have found in the real world that they spin in their hole, especially when trying to make repairs, so I have never entertained using them...
... until recently when i discovered hex shapes rivnuts that of course can not spin in the hole, and with the ease of laser cutting hex shaped holes, it's a no brainer to incorporate them, and already proving to be a winner the last few days.
12 x rivnuts are incorporated each side into the main front rails to bolt the outer rail skin on
I have always been aware of rivnuts, love the theory of them, but I have found in the real world that they spin in their hole, especially when trying to make repairs, so I have never entertained using them...
... until recently when i discovered hex shapes rivnuts that of course can not spin in the hole, and with the ease of laser cutting hex shaped holes, it's a no brainer to incorporate them, and already proving to be a winner the last few days.
12 x rivnuts are incorporated each side into the main front rails to bolt the outer rail skin on
Mel
Elio Addict
When I read your first sentence, my heart jumped up into my throat. I've been building and inspecting home-built aircraft for over 40 years and just the mention of rivnuts sends me screaming. Continued to read calmed me down. It look like, as usual, you've done your homework. good Job!
The firewall welded together quite well, I had to wait 2 days for my welder to get back into town.
The main front rails bolt on with the rivnuts, 11 bolts per side, worked out very well, except I had to move all the boltholes 2mm (5/64") forward, the paint blobs are the boltholes I elongated and sanded the burrs.
A lot easier to assemble, lower parts count as mentioned, and no apparent changes need to be made other than the 2mm adjustment of the boltholes.
I will attempt to mate it up to the floorpan tomorrow.
The main front rails bolt on with the rivnuts, 11 bolts per side, worked out very well, except I had to move all the boltholes 2mm (5/64") forward, the paint blobs are the boltholes I elongated and sanded the burrs.
A lot easier to assemble, lower parts count as mentioned, and no apparent changes need to be made other than the 2mm adjustment of the boltholes.
I will attempt to mate it up to the floorpan tomorrow.
Chipping away at it, pleased that only minor mods and thought required, nothing extroidanary so far ...
Thoughts such as the order of assembly, not the assembly itself.
As you can see, the front main rails and crossmember have been removed via unbolting them, only mere minutes to accomplish that.
Thoughts such as the order of assembly, not the assembly itself.
As you can see, the front main rails and crossmember have been removed via unbolting them, only mere minutes to accomplish that.
do the rivnuts require the use of lock washers to keep the bolts from working loose ?
Rivnut is just a thread, a captive nut, normal processes to securely retain the bolt still apply, be it spring washers, lock washers, Loctite, tie wire, etc.