When I was at MORryde yesterday I picked up an extra tabletop so I could update the production Trail Kitchen with the prototype sink option. The exact dimensions of the panel had changed between the preproduction kitchen I did the prototype sink option with and the production one they sent me last week, so I asked them for a new panel to cut a sink hole in.
Testing the sink operation; the water source is the 2-gallon Rotopax mounted to the drawer cabinet behind the back seat. The pump starts automatically when the tap is opened, you can hear it running when I open the tap and it stops when I close the tap.
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The drain on the bottom of the sink is a standard garden hose fitting, so depending on where you're using the sink you can either run a short hose into a Rotopax for "gray water", or if you're somewhere remote and using only biodegradable soap in the sink, just run a longer hose off to the side of the camp site and drain onto the ground.
Not sure if this will be a production option, but here's a cutting board that fits over the sink; it's got a ridge around the bottom that prevents it from slipping off the sink. The faucet swings up out of the way.
When the sink is not in use, it pulls out of the hole in the tabletop and it disconnects from the water supply with a quick-disconnect fitting. All of the parts go in a heavy vinyl bag.
Another thing that may or may not be a production option - seems to me there are maybe some times when you'd want to use the kitchen but not the sink, so I made up a stainless steel cover that goes over the sink tabletop, covering the hole.
Preproduction versions of the Power Panel and Kitchen Battery Charging Options are almost ready for testing at MORryde, this photo is of my prototype Power Panel (the MORryde version isn't bright red). The Power Panel has two USB outlets and two power outlets (one for the fridge and one for the sink pump), as well as both a volt meter and amp meter. The battery is sitting in a MORryde ammo can tray, which is has been in production for the JKU for a while. The sink pump in my installation is mounted under the battery to the mounting grid of the ammo can tray.