Mayf;
I think some types of aircraft engines use an external oil pressure
regulator in their dry sump systems. As far as using that Aeromotive
regulator goes, I wonder if the higher kinematic viscosity of oil over
gasoline would allow the regulator to operate properly.
Good luck at WOS!
Regards, Neil Tucson, AZ
--------------------------------------------------
From: "Larry Mayfield" <drmayf@mayfco.com>
Sent: Sunday, September 12, 2010 8:48 AM
To: <tweecer@yahoogroups.com>; <land-speed@autox.team.net>
Subject: [Land-speed] Oiling Questions
> Have been looking forward to improving the Sunbeam race car. Been
> thinking out loud on several issues of dry sump systems and the pressure
> side oiling . I like the dry sumps use in the sunbeam because I can keep
> the engine lower down between the frame rails. One of the items that has
> surfaced in my head is the use of an external oil pressure regulator
> system. Huh? you say. Most of the oil pumps we use have an internal
> pressure relief system but unfortunately it is right at the beginning of
> the pressure input. The oil is bypassed around and around inside the pump
> and it gets hot. The bypass should be at the end of the oiling system path
> to assure that each and every thing that needs oil, gets oil. Plus, the
> oil would not be chased around and around inside the pump. This should
> work exactly like the pressure regulator on an EFI car with a bypass
> return system. The regulator should be adjustable. I have a large
> Aeromotive bypass regulator on my fuel system and that sucker might be
> able to do the trick. Have any of you ever heard of using an external oil
> regulator bypass like this before? I have not, but then I am still a noob
> at this.
>
> The next is some sort of scavenge system. I know the corvette now has a
> dry sump system which means that it has to have some sort of scavenging
> system to return oil to the tank. Anybody know how that is done on that
> car? Point me to a URL where I can read about it? Would a vane type pump
> serve as a scavenge return pump? I would also like to hook up the
> scavenge pump to the valve covers, on each side front and rear, and maybe
> the lifter valley as well ll in support of getting oil from the pan as
> well.
>
>
> I would love to hear thoughts on a system or issues like I mention.
> Either on list or off.
>
> headed up to Bendover in the morning around 4 am....ugh...
>
> mayf
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