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Old 02-23-2016, 01:22 PM
  #6  
CW
 
Join Date: Oct 2003
Location: Wollongong, AUSTRALIA
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The bar, clamps and mirror on my homemade system weighs 82 gms. The laser sits on the bench at a fixed distance from the mirror and the beam is reflected back to the scale. One division on the scale is 0.05 degrees incidence and you can interpolate to half that. Seems to work pretty well for me. I measure incidences at root and tip 2 or 3 times and find them to be repeatable.
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