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 Post subject: Re: Oil filters
PostPosted: Thu Oct 13, 2016 8:43 pm 
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:D

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 Post subject: Re: Oil filters
PostPosted: Thu Oct 13, 2016 8:44 pm 
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proff. patpending
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The pump will have a pump performance curve; flow relating to speed and pressure ratio. The higher the pressure ratio, the lower the flow.

http://uk.grundfos.com/service-support/ ... curve.html

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 Post subject: Re: Oil filters
PostPosted: Thu Oct 13, 2016 9:07 pm 
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How much loss would you expect for a gerotor pump, when pressure doubles?

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 Post subject: Re: Oil filters
PostPosted: Thu Oct 13, 2016 9:10 pm 
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I'm staying out of this following the 'compressible oil' thread from many years ago :oooops: lOl

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 Post subject: Re: Oil filters
PostPosted: Thu Oct 13, 2016 9:18 pm 
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proff. patpending
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gunter wrote:
How much loss would you expect for a gerotor pump, when pressure doubles?

I bet 03 knows. All my pumps are air pumps...

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 Post subject: Re: Oil filters
PostPosted: Thu Oct 13, 2016 9:21 pm 
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Maz wrote:
I'm staying out of this following the 'compressible oil' thread from many years ago :oooops: lOl




I need to see this!


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 Post subject: Re: Oil filters
PostPosted: Thu Oct 13, 2016 10:06 pm 
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Maz wrote:
I'm staying out of this following the 'compressible oil' thread from many years ago :oooops: lOl

:old: I remember that lOl

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 Post subject: Re: Oil filters
PostPosted: Thu Oct 13, 2016 11:27 pm 
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Plimsolls are a bit like pumps

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 Post subject: Re: Oil filters
PostPosted: Fri Oct 14, 2016 12:19 am 
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pash wrote:
The pump will have a pump performance curve; flow relating to speed and pressure ratio. The higher the pressure ratio, the lower the flow.

http://uk.grundfos.com/service-support/ ... curve.html
Errr, no.

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 Post subject: Re: Oil filters
PostPosted: Fri Oct 14, 2016 1:31 am 
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Maz wrote:
I'm staying out of this following the 'compressible oil' thread from many years ago :oooops: lOl

:yt:
I always thought liquids could not be compressed , thats why if you flood an engine and get hydraulic lock you can bend con rods , or if you fail to bleed down hydraulic lifters upon reassembly you can bend valves .

http://www.bbc.co.uk/bitesize/ks3/scien ... evision/3/

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 Post subject: Re: Oil filters
PostPosted: Fri Oct 14, 2016 4:23 am 
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barney wrote:
I always thought liquids could not be compressed , thats why if you flood an engine and get hydraulic lock you can bend con rods , or if you fail to bleed down hydraulic lifters upon reassembly you can bend valves


All liquids are compressible, but not very much :P

http://hyperphysics.phy-astr.gsu.edu/hbase/tables/compress.html


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 Post subject: Re: Oil filters
PostPosted: Fri Oct 14, 2016 5:32 am 
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proff. patpending
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03 wrote:
pash wrote:
The pump will have a pump performance curve; flow relating to speed and pressure ratio. The higher the pressure ratio, the lower the flow.

http://uk.grundfos.com/service-support/ ... curve.html
Errr, no.

:run:

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 Post subject: Re: Oil filters
PostPosted: Fri Oct 14, 2016 8:07 am 
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pash wrote:
03 wrote:
pash wrote:
The pump will have a pump performance curve; flow relating to speed and pressure ratio. The higher the pressure ratio, the lower the flow.

http://uk.grundfos.com/service-support/ ... curve.html
Errr, no.

:run:
Pash, you look after the combustion in your nice aero engines. Leave the other stuff alone............

I just thought, you don't specify any pumps in fuels system at RR do you? I hope not.

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 Post subject: Re: Oil filters
PostPosted: Fri Oct 14, 2016 8:32 am 
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proff. patpending
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03 wrote:
pash wrote:
03 wrote:
pash wrote:
The pump will have a pump performance curve; flow relating to speed and pressure ratio. The higher the pressure ratio, the lower the flow.

http://uk.grundfos.com/service-support/ ... curve.html
Errr, no.

:run:
Pash, you look after the combustion in your nice aero engines. Leave the other stuff alone............

I just thought, you don't specify any pumps in fuels system at RR do you? I hope not.

:run:

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