Re: [PSUBS-MAILIST] Hydrophones

[Jim Rudholm <jimrudholm@gmail.com>]

Jens,
I have added a close-up of the rubber shock mount and its mounting.

http://picasaweb.google.com/jimrudholm/Hydrophones?authkey=Gv1sRgCMn3_qrAvOPRzQE#

I have a steel tank about 1x1x0.7 meters that I can use for testing.
Its now set up by my small shop within reach of the electronics
workbench.

Jim

On Sat, Jan 23, 2010 at 10:23 AM, Jens Laland <laland@artematrix.org> wrote:
> Jim
>
> ** I have moved the BQR-2 staves next to my electronics workbench.
>
> Thanks for shearing these interesting pictures with us, which made me
> rather curious about something, ref
>
> ftp://ftp.artematrix.org/sonar/images/BQR-2_b_detail.jpg
>
> Could you please explain what we see in the "A" and "B" area of the photo.
>  Is the black 'ring' at "A" a spacer, a nut, or what? Is it steel or rubber?
>  Is the protruding thing under "B" a bolt, a nut, or what?
>
> It would be interesting to know if these elements are part of the
> hydrophone's (internal) clamp bolt, or just part of the sealing assembly.
>
> If possible, it would be nice to have seen a proper close-up of the said
> area.
>
> And finally, have you been thinking more on how you would pursue the
> testing of these hydrophones?
>
> Best regards,
> Jens Laland
>
>
>
>
>
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