Hi all, I'm in the preliminary acquisition stage of an 80% complete 7A with a TMX390 and would like to know what to expect from anyone/those having experience with that combination. Short-story as succinctly as possible, my uncle spent several years building (meticulously), is "getting older" as he says and has lost interest. I have the opportunity to purchase and complete. One plane I have not sat in or flown is an RV and I'd love to know what to expect. Any and all insight, suggestions, advisement, etc. is welcomed and greatly appreciated.