Make the PVC pipe one inch shorter and put a one inch mark on the steel rod. Then you can drop the rod without making a pin/pull drop set up. Taping a hammer shank to the PVC will give the key height so you don't have to hover.... just some thoughts Keith On Sun, Jan 16, 2011 at 10:33 AM, Ed Sutton <ed440 at mindspring.com> wrote: > If you are giving an official exam, you need to get the official thumper. > > If you want something to approximate the exam test blow, get a piece of > 3/8" steel rod, 12" long, and a piece 5/8" inner diameter pvc pipe 18" long. > Glue some cloth punchings on the end of the rod to protect the keytops. > With this you can control and drop a half pound weight 6 inches for a test > blow. > > Repeat: THIS IS NOT AN OFFICIAL THUMPER, but it will give you a good > estimate of a test blow for training purposes and self-testing. > > Ed Sutton > > ----- Original Message ----- From: "John Minor" <jminor at illinois.edu> > To: <caut at ptg.org> > Sent: Friday, January 14, 2011 3:24 PM > Subject: [CAUT] tuning test blow jig? > > > Does anyone know where I can get the specs to make a tuning test blow jig? >> >> Thanks! >> >> John Minor >> University of Illinois >> > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://ptg.org/pipermail/caut.php/attachments/20110116/c29a4dee/attachment.htm>
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