Free Plans
There are several sources on the web for free plans to make model hovercraft.
Some of the best can be found under the following links.
Note! As of early 2016 Mark closed his web site so the following links will take you to an archive of his site at the Internet Archive
No further information on his plans is available
1) Griffon 2000 as seen on this site - plans can be found at
2) SRN 5 by Mark Porter can be found at
http://www.model-hovercraft.com/srn5/srn5plan.html