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new sensor project

PostPosted: Mon Jun 13, 2016 5:26 pm
by Chairapta
Hello
The idea is this:
- an aluminum disk of the size of the shell.
- a piezo 35 mm glued on the plate .
- a high density polyethylene foam sandwiched between the aluminum disc and the meshed skin.


What do you think ?

Re: new sensor project

PostPosted: Mon Jun 13, 2016 5:32 pm
by airflamesred
How thick is the aluminium (that's aluminium for any Americans reading) and what is the diameter of the foam?

Re: new sensor project

PostPosted: Mon Jun 13, 2016 6:30 pm
by Chairapta
Image

Re: new sensor project

PostPosted: Mon Jun 13, 2016 6:34 pm
by Chairapta
3mm for aluminum disk and 7 or 8 mm for the foam (gym mats).

The foam would be the diameter of the shell (10, 12 , 14 and 16 inches)

Re: new sensor project

PostPosted: Mon Jun 13, 2016 6:49 pm
by airflamesred
Interesting, 2 piezos?

Re: new sensor project

PostPosted: Mon Jun 13, 2016 6:57 pm
by Chairapta
yes, the second for rimshot , directly bound by the hardware.

Re: new sensor project

PostPosted: Tue Jun 14, 2016 5:00 pm
by Chairapta
if I understand , for positioning a single sensor in the center enough.
I tested the disc and foam to see the rebound , but I 'm afraid of the violence of the impact on the piezo placed directly below the foam. I think the solution is left can be better.
The positive is that the noise is very low.

Re: new sensor project

PostPosted: Tue Jun 14, 2016 8:08 pm
by airflamesred
I can't imagine there is much rebound, Can you do a vid?

Re: new sensor project

PostPosted: Wed Jun 15, 2016 7:03 pm
by Chairapta
abandoned project, it seems to work less well than my bars .
The only advantage was greatly reduced noise.

Re: new sensor project

PostPosted: Wed Jun 15, 2016 7:16 pm
by airflamesred
All credit for trying anyway.