BillFitzmaurice.info

Penn Elcom have large metal grilles on there website, 4ft x 4ft

ok heres another chart, i have 1 bluearan piezo that i tested, that is the orange line at the top, they did not sound as loud as goldwood or cpcs, the sound was much lower, i only have 2 goldwoods, they are the green and purple lines. the yellow and darker blue line are cpcs 016, i tested a pile of ...

this is a screen capture of wt3 and a test i done on 2 piezos, the green line is a goldwood piezo 1016, the purple line is a cpc farnell piezo mpt 016. the 2 horizontal lines along the top are something to do with phase response. i dont know much about wt3 yet, just the basics. can i use this softwa...

decent quality countersink bits can be one of the most valuable tools you could own, after some searching i finally found these. http://www.trend-uk.com/en/UK/productlist/4/290/Drill%20Countersinks.html i got the snap/cs/4, produces a nice 2mm hole and a good countersink hole and the depth of the dr...

i got one of the wt3 things last week, and so far i think it is a piece of crap.
maybe i dont know how to use it properly yet, or interpreting the graphs it makes.
was trying it out on deltalite 2512 and piezos of various kinds