> Mechanical tachs in certified aircraft are often off 100-200 (usually low) RPM or more at the top end.
I meant to say "100 RPM or more" at the top end. Mike ____________________________________________________________ You have a right to seek justice! Click here to find experienced lawyers across the USA. http://thirdpartyoffers.juno.com/TGL2141/fc/BLSrjpTOhjWrdvmbWfxGvnZmxlabP4vwhTUPgN5C8mFvGhlQqjGSab7gRgs/