MBWesner- where did you get the panel mounting hardware?
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The hinges are just cabinet hinges, zinc plated. And some stainless bolts/nuts from local hardware store.
You'll notice I had to 'cut' the z-brackets to get clearance for the struts. I didn't use the right tool for that and it is ugly, but it works.
The struts hold the panel down just fine, no need for any latch or lock on the panel. Just stuck some furniture foot pad things on the panel so when it comes down and rests on the rack, it has something soft and won't rattle.
Let me know if you have other questions. The design for this just kind of popped into my head, I didn't really plan much before hand.. but it did work out. I have had it on my rack for more than a year and Haven't had any issues with it moving, or on interstates at 90 mph or anything else.