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Hope I didn't give the impression I was an expert on the Mazda oil injection system. I only remember where the 4 lines went on the 13B from disassembling so many of them. Only 2 of the ports (secondaries I believe) got the oil lines so only 4 needed. Don't think I've ever seen a 20B OMP setup (my 20B engine was built from new parts). I can't imagine why there are 4 lines on a 20B setup. I think there are only 2 lines used on 3rd gen 13Bs. Only the rotor housings are fed, not the manifold. Since the 20B is essentially a 3rd gen engine, I would have thought it would have a similar setup with 3 lines (one to each rotor housing).
I'm still of the opinion that you can't do better (from a functional standpoint) than premixing the oil so I've never played with the injection. It just isn't practical for most people in car use. That's why 95%+ of OMP adapters are purchased by car guys.
Tracy
PS: I thought I sent that updated EC2 installation guide to you before I left home (I'm in Colorado until early May) The main difference from last one you have is that Both A & B are programmed when running on A controller. When using B, only B is affected by programming changes.
Sent from my iPad
On Apr 9, 2012, at 10:12 AM, Mark Steitle <msteitle@gmail.com> wrote:
Tracy,
How should I plumb the 4 lines for the 3-rotor. From your
explanation, it seems it should have 6 lines (2 per rotor)? Even the
20b OMP only has 4-ports. Should I split the 4th line into three
separate lines? Do you know of anyplace where I could read about how
OMPs are connected from the factory?
Thanks,
Mark
P.S. Were you going to email me a copy of the updated EC-2 manual?
On 4/9/12, Tracy <rwstracy@gmail.com> wrote:
Two into the rotor housings, two into the intake manifold just upstream of
the ports in the block.
Tracy
Sent from my iPad
On Apr 9, 2012, at 5:42 AM, Mark Steitle <msteitle@gmail.com> wrote:
Steve, that's why I'm asking the experts on this. I'm still trying to
figure this out. The older 13b OMP has 4 ports. So did the 20B OMP, with
only three lines. I was planning on not using the 4th port. Where does
the 4th line go to on the 13b setup?
Mark
On Sun, Apr 8, 2012 at 8:29 PM, Steven W. Boese <SBoese@uwyo.edu> wrote:
Mark,
Since the OMP 's I've seen are set up with 4 oil lines and intended for a
two rotor engine, how do you intend to adapt it to the three rotor engine
in terms of amount of oil metered and how it is distributed?
Steve
From: Mark Steitle
Sent: Saturday, April 07, 2012 8:10 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] OMP Plumbing
Is anyone running an oil metering pump (OMP) that can help me figure out
how the lines should be connected. I'm planning on using the Mazda
banjo fittings to hook up to the OMP, but what do I do with the check
valves. Do you connect the check valves to a vacuum source or just
block them off? Will the system work properly if I plug the check
valves? I plan on locking the lever in the full open position. Will
this work for a/c use? I'll be using Richard Sohn's adapter with a 1
gallon reservoir filled with 2-stroke oil.
Mark S.
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