The Alternative Armies Yahoo Group now has a new PDF with plytest rules for Flintloque artillery.
From their website:
The playtest PDF containing all of the artillery rules for Flintloque 3rd edition is on the Notables Yahoo Group where all comments and questions are welcome.
Email me (email@example.com) if you would like the PDF for free by email (2mb in size).
The Artillery Section of our range has been re-organised. The Artillery page also has additional information where needed on the testing.