Re: [PSUBS-MAILIST] Leak Alarm

[Coalbunny <coalbunny@vcn.com>]

There are laser sensors that could help.  When water leaks in, it 
disrupts the laser beam and sets off an alarm.  Water can be crystal 
clear, and it'll still change the laser beam (diffraction).
Carl


Dan H. wrote:

> Here's little unit I thought might be of interest to anyone building. 
>  
> I wanted to install something to detect any water leaking in to my 
> K-350's battery pods and the three thruster pods before it creates 
> a problem with operations. 
>  
> I fooled around with a few circuits but they were either to sensitive or 
> not sensitive enough.  I came across this little unit on the net and 
> ordered it.  It sells for around $30 including a nine volt battery and 
> shipping.  
> http://www.floodbusteronline.com/index.html
>  
> I made my own sensors, which are no more then a piece of copper in each 
> pod, and ran wires to the unit in the hull where I can switch to "All 
> pods" or select each pod separately to determine where the leak is.  The 
> only things I needed to add to the unit were a on/off switch, a selector 
> switch and a diode in the line from each pod. 
>  
> Cheap and it works well,
> Dan H.

--
Spotted Owl...it's what's for dinner.