The video is a continuation of a sheet metal lesson that was cut short due to the arrival of a new granddaughter. The host, who runs a series titled "Sheet Metal is Fun," starts by clarifying that the lesson will cover the completion of a funnel project that was left unfinished.
The host starts by explaining that a lot of people have asked how to seal the seam on the funnel. He then demonstrates how to drill out rivets to disassemble the funnel, explaining that it's important to wiggle the drill around to get the rivet out as it spins in the hole.
He then introduces polyurethane as a sealant, explaining that it's his favorite and that it's important to know how to spell it correctly when looking for it at a local supplier. He emphasizes that this is not a lesson about him, but about teaching viewers to become more capable and confident.
Next, he explains the importance of developing a marketable skill that can never be outsourced. He encourages viewers to think differently and mechanically, to look at objects and wonder how they're made and how they're put together.
The host then demonstrates how to seal a seam on the funnel using polyurethane. He emphasizes that the sealant should be applied in the lamination, between the layers, and not just on the seam. He also explains the importance of the tape trick, which involves applying a small amount of sealant and then wiping it off, leaving a nice, well-sealed finish.
Finally, he discusses the importance of drawing a side view of a cone or funnel to determine the apex and the two points where the radiuses go. He also explains the importance of using scribe lines when marking out the shape on the metal.
Throughout the video, he emphasizes the importance of precision and attention to detail, and he encourages viewers to learn from their mistakes and to always strive for the best result. He concludes by reminding viewers that the goal of the lesson is to help them become more capable and confident, and to develop a marketable skill that can never be outsourced.
1. The video is titled "Sheet Metal is Fun".
2. The host welcomes viewers back for a continuation of a funnel lesson that was cut short in a previous episode due to the arrival of a new granddaughter.
3. The host emphasizes that sheet metal can fly, is cool, and is fun.
4. The host demonstrates creating a stainless steel funnel with no hole, which is used as a spark arrestor in a cabin in the mountains.
5. The host explains the process of drilling rivets out and sealing the seam with a polyurethane sealant.
6. The host warns against using silicone or latex as sealants, and highlights the importance of knowing how to spell polyurethane correctly.
7. The host encourages viewers to develop a marketable skill that can never be outsourced.
8. The host emphasizes the importance of creating a bond between two dissimilar materials when applying adhesive, and the term "squish" is introduced to describe the expected result of this process.
9. The host shows how to create a well-sealed funnel by applying a layer of polyurethane, riveting the funnel back together, and then applying a layer of sealant to the riveted seam.
10. The host explains that when creating a funnel or cone, it's important to find the Apex and two points where the radiuses go, which are the dimensions needed for the project.
11. The host demonstrates how to create a six-inch to four-inch transition in a funnel, emphasizing the importance of everything always returning back to the Apex.
12. The host shows how to add a half-inch lap to the edge of the funnel, which is an allowance for the seam.
13. The host concludes the lesson with a reminder of the importance of adding a half-inch seam allowance to the edge of the funnel.