Yes, they are hinged. Caliber edge glides is what they're called. They make a similar product to superglides as well. Amazon has them, as do many other shops. I ordered them through my buddies marine and offroad shop. I also got a set for the end of the ramp to help the skis get up and over...
I have some of the caliber edge glides coming in as well. I'm going to give them a try. I figure it should keep the snow and ice out when loading or sweeping out the trailer.
The hollow half round foam stuff seems to work best. Get the surface as clean as possible, and use a bit of heat to really set the adhesive. Don't overdo the heat though. I used the same stuff I use on the tailgate of my truck, and it holds up pretty well.
As mentioned above, some silicone lube...
I have a couple 125Ah AGM Solar batteries in my trailer. Can run the heater for 4 nights in a row until it runs out of fuel every night without any issues.
Haven't tried any longer without plugging in.
It is. Keep in mind, those are maximums. The batteries will only accept a charge rate they can safely handle. Current battery tech is the limiting factor to that.
A quick search tells me the cybertruck has a 123kWh battery pack. The average monthly power consumption of my 3000sqft air...
His math is fairly accurate. There's a lot of factors involved, but in short it takes a lot of power to fast charge an EV.
Our grids are not ready for widespread adoption.