If you follow the threads relating to the type of product that PJ is trying to make then you would perhaps understand why he, like a lot of others, are working with these small compressors.
Also; no, this site is for anyone who is interested in the subject or has a related question to ask.
You seem to be coming in a bit strong for your first two posts on this forum, should we be standing in awe of you or shall we wait until we've been introduced ?