Oil Pressure - psid??
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Oil Pressure - psid??
I always thought (be nice now...) engine oil pressure (always been turbine) was presented / given in straight psi - but doing some related research, I find 'limits' shown in psid.
Am I just confused (or stupid - or both....) - what gives?
Thanks much.
Am I just confused (or stupid - or both....) - what gives?
Thanks much.
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Yes, but differentialfrom what? I get the psid (differential) when referring to say, cabin pressure, but oil pressure?
I don't ever remember (or maybe just forgot...) the 'd' part when referring to oil pressure.
Gracias.
I don't ever remember (or maybe just forgot...) the 'd' part when referring to oil pressure.
Gracias.
In what context did you see this "limit" mentioned ? Were you supposed to read a number somewhere on a gauge or was it just a psid at which something takes place, e.g., a bypass valve opens or a cockpit warning is sent for a clogged engine oil filter ? This would be a number one doesn't need to know and you'd have to get a MTC manual to find it.
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Looking at Type Certificate Data Sheet on GE90 engine (long story....) - Oil Pressure Limit(s) shows - Low Pressure (differential): 69 kPa (10.0 psid).
As I said, seems I have never seen oil pressure limits shown in psid - only psi.
Have never seen oil pressure indicators labeled psid always just psi.
Maybe 'new' EICAS indication is different.......
Thanks.
As I said, seems I have never seen oil pressure limits shown in psid - only psi.
Have never seen oil pressure indicators labeled psid always just psi.
Maybe 'new' EICAS indication is different.......
Thanks.