The request for "Download Aerostat Parseval rar" likely refers to a of a Parseval-type observation balloon.
: This site hosts a Parseval Aerostat model (designed by Fedor700) which includes three different scale variants. It provides templates and assembly diagrams for hobbyists. Download Аэростат Parseval rar
: Often contains historical balloon and airship diagrams, though specific Russian-designed Parseval files are more common on Eastern European forums. Tips for Downloading: The request for "Download Aerostat Parseval rar" likely