RE: Foil question
You will get totally different results on a much larger subject than you will trying to work on such a small piece of plastic. It is a time consuming process to do all the sanding but using 3200 and 4000 grit isn't gonna cut it on your CARF P-51 you'll be sanding one spot for days. As i mentioned in my last post you will want to use 320 & 400 grit wet/dry paper i also forgot to mention that you need to add some dawn dishwashing soap to the water it help to lubricate the paper to make it glide over the surface better. Just take your time and make sure you wipe the black stuff off as you are working to inspect what you have sanded. There is absolutely no way to avoid the orange peel affect except to use your finger as your primary tool to do the anicial rubbing of the panel and then you what to use a artist blunt for the final burnishing.