[Dsg-rich] Second leak test this morning

[Brian Eng]

After re-taping the fake e-panel again the we saw the bubbler going at ~50 slm @ low 0.2x iwc.

It actually will still bubble at ~mid 40s, so the leak rate has improved by about a factor of 6 since the first test.

There are still leaks around the exit panel, but after discussions with Marco/Sandro/Dario these will be sealed with silicone/RTV as one of the last steps before the RICH leaves the cleanroom.

The frontal panel is much improved with the new gasket, but still should be taped as there are a few leaks between the screw locations along with switching to plastic washers once they arrive.

Sandro/Dario will also add more sealant to the bulkhead/passthrough area.

----- Original Message -----
> From: "Tyler Lemon" <tlemon at jlab.org>
> To: "Brian Eng" <beng at jlab.org>
> Cc: "Tomassini Sandro" <sandro.tomassini at lnf.infn.it>, "dsg-rich" <dsg-rich at jlab.org>
> Sent: Friday, November 3, 2017 10:12:53 AM
> Subject: Re: [Dsg-rich] Second leak test this morning

> Sandro said the air was coming out of the bubbler at too high a rate and
> requested the flow rate be reduced.
> 
> Flow is now set to ~90 slm.