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Re: [Healeys] Oil Pumps

To: healeys@autox.team.net
Subject: Re: [Healeys] Oil Pumps
From: Kees Oudesluijs <coudesluijs@chello.nl>
Date: Wed, 1 Jan 2020 19:37:18 +0100
Delivered-to: mharc@autox.team.net
Delivered-to: healeys@autox.team.net
References: <CAKkXjqMFR+ixUefxdwoBxGm-bsGUvoPkMtG0rYHSE1uNDE2VsA@mail.gmail.com> <964ba385-df70-a261-0129-63f4df053a8e@comcast.net> <768eabb0-d8c1-c553-90e5-a924fe4277dc@cosmos.net.au> <a4c977b7-32a8-2b58-1e46-f0a5499e09ba@comcast.net>
User-agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.9.1
Absolutely correct. There may be theoretically a tiny difference, 
immeasurable probably, caused by the efficiency of the various pumps.

Kees Oudesluijs

Op 1-1-2020 om 19:24 schreef Bob Spidell:
>
> I'm not a fluid dynamicist, but wouldn't, say, 45psi from either a 
> vane/rotor type pump put the same load on the cam gear and driveshaft 
> as 45psi from a gear-type pump, all other factors--oil viscosity, 
> etc.--being equal?  Or, is there some other factor(s) at play?  Do the 
> gear-type pumps produce lower pressure (seems to me that's the only 
> way they'd reduce the load on the gears and the cam thrust plate)?
>
> Bob
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