Alt-BEAM Archive
Message #03418
To: beam@corp.sgi.com, "'westy'" civic83@execulink.com
From: "van Zoelen, Bram SSI-TSEA-352" Bram.A.A.vanZoelen@is.shell.com
Date: Thu, 20 May 1999 14:24:46 +0200
Subject: [alt-beam] Re: ir obstacle avoidance in water
No.
Atleast is will only work for very short distances. IR will be
absorbed by the water very quickly.
Bram
> ----------
> From: westy[SMTP:civic83@execulink.com]
> Reply To: westy
> Sent: Thursday, May 20, 1999 4:53 PM
> To: beam@corp.sgi.com
> Subject: ir obstacle avoidance in water
>
> Will a modulated ir obstacle avoidance system work under water? The
> setup
> I have built is electrically the same as the ir obstacle avoidance kit
> sold
> by mondotronics robot store. I beleive it works with 38 or 40khz
> modulated
> ir light. For this setup to be usefull I need to get at least a foot of
> range.
>
> Thanks
>
> Shawn Westbrook
> civic83@execulink.com
>
> ps, how are the other entries for Fangs contest coming along? I
> have the
> mechanicals of mine worked out and built, now just tinkering with the
> brains.
>
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