A possible concise summary is:
The video transcript shows a group of people using remote-controlled machines to mine for gold in a realistic model site. They introduce their new mobile trommel trailer and transport it to the river. They encounter some challenges such as a steep hill, a broken wire, and a loose joint. They manage to process a lot of dirt and find a lot of gold nuggets. They weigh their gold and celebrate their success.
Some possible facts extracted from the text are:
- The text is a transcript of a YouTube video about RC gold mining.
- The video shows the process of transporting, screening, washing and weighing the pay dirt with RC machines.
- The video features a new mobile trommel trailer that can fold up for transport and unfold for operation.
- The video involves several challenges such as pulling the trailer up a hill, fixing a loose spray bar and dealing with thunderstorms.
- The video ends with a gold weigh-in that reveals 39.1 grams of gold or 1.26 ounces.