In article .com,
says...
Here are two links to see what is out there.

http://www.sbwoodworkingmachinery.co... &prod_id=147
and

Well the smallest here is the Jet at 405 mm which is getting close to
twice what the o.p. requested, and it definiteley will not cope with
rough sanding or thicknessing
http://www.woodmastertools.com/s/drum.cfm


And the smallest here is 26".

--
Paul Mc Cann