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[PSUBS-MAILIST] viewport testrig
Hello,
In the discussion on viewports comes tru that they are
difficult to calculate an predict.
I have a simple idea to test them ( Also the glass,
housing and seal) very realistic. I posted an Acad` sketch on moki what
makes it clear.
Al you meed is a complete viewport assy, a thick steel
plate, a pressure gauge and a hydraulic pump( a high pressure cleaner with bleed
valve wil also do).
Rise the pressure slowly (testing materials quick gives a
higher reading) til failure. if the gauge says 50 bar, destuction
depth for the viewports is 500 meter.
Maybe it exists already 30 years or somebody knows it
doesnt work; please shoot at it.
regards, Emile van
Essen