At 01:46 AM 6/27/02 +1000, you wrote:

>I have played with oxy-hyd too, lots of fun. The
>scariest problem is if your generator stops producing
>and the flame runs back up the tube as the pressure
>decreases, i'm not sure that bronze wool will be a good
>enough flashback arrestor at all as the mixture has
>its own oxygen and will continue burning even when
>meshed. And probably ignite the lube in the bronze wool.

I've got a commercial arrestor on order to go after the
electrolysis cell. (BTW, it will be controlled with
a PIC..) .. this will just be for cheap insurance.

>Try an inline pressure relief valve (ball and spring
>type) a couple of feet down the hose.

Any idea where to get one of those cheap? I could always
make one. I need something like that to protect the
pressure sensor diaphragm from rupturing when the pop
happens. A few PSI operating and 15psi to open is about
right.

>You are using clear hose? :o)

Urethane, probably.

Best regards,

Spehro Pefhany --"it's the network..."            "The Journey is the reward"
speff@interlog.com             Info for manufacturers: http://www.trexon.com
Embedded software/hardware/analog  Info for designers:  http://www.speff.com
9/11 United we Stand

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