On Aug 24, 6:53*pm, " wrote:
On Aug 21, 9:35*pm, Tim Taylor wrote:

Are there any working designs for an air extractor for the Ventus 2?

What is an air extractor?

Bill Snead
A picture of a simple 'Mandl Extractor' similar to what DG employs.

http://griderpirate.smugmug.com/Airp...55235760_LUSmZ