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Subject: Re: [FlyRotary] Re: OMP Plumbing
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From: Tracy <rwstracy@gmail.com>
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Date: Mon, 9 Apr 2012 12:10:13 -0400
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
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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 disassembl=
ing so many of them.   Only 2 of the ports (secondaries I believe) got the o=
il lines so only 4 needed.    Don't think I've ever seen a 20B OMP setup  (m=
y 20B engine was built from new parts).   I can't imagine why there are 4 li=
nes on a 20B setup.   I think there are only 2 lines used on 3rd gen 13Bs.  O=
nly the rotor housings are fed, not the manifold.   Since the 20B is essenti=
ally a 3rd gen engine,  I would have thought it would have a similar setup w=
ith 3 lines (one to each rotor housing).

I'm still of the opinion that you can't do better (from a functional standpo=
int) than premixing the oil so I've never played with the injection.  It jus=
t isn't practical for most people in car use.   That's why 95%+ of OMP adapt=
ers are purchased by car guys.

Tracy

PS:   I thought I sent that updated EC2 installation guide to you before I l=
eft home (I'm in Colorado until early May)   The main difference from last o=
ne 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,
>=20
> How should I plumb the 4 lines for the 3-rotor.  =46rom 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?
>=20
> Thanks,
> Mark
>=20
> P.S.  Were you going to email me a copy of the updated EC-2 manual?
>=20
>=20
> On 4/9/12, Tracy <rwstracy@gmail.com> wrote:
>> Two into the rotor housings, two into the intake manifold just upstream o=
f
>> the ports in the block.
>>=20
>> Tracy
>>=20
>> Sent from my iPad
>>=20
>> On Apr 9, 2012, at 5:42 AM, Mark Steitle <msteitle@gmail.com> wrote:
>>=20
>>> 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, wi=
th
>>> only three lines.  I was planning on not using the 4th port.  Where does=

>>> the 4th line go to on the 13b setup?
>>>=20
>>> Mark
>>>=20
>>> On Sun, Apr 8, 2012 at 8:29 PM, Steven W. Boese <SBoese@uwyo.edu> wrote:=

>>> Mark,
>>>=20
>>>=20
>>>=20
>>> 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 engin=
e
>>> in terms of amount of oil metered and how it is distributed?
>>>=20
>>>=20
>>>=20
>>> Steve
>>>=20
>>>=20
>>>=20
>>> From: Mark Steitle
>>>>=20
>>>>> Sent: Saturday, April 07, 2012 8:10 PM
>>>>> To: Rotary motors in aircraft
>>>>> Subject: [FlyRotary] OMP Plumbing
>>>>>=20
>>>>> Is anyone running an oil metering pump (OMP) that can help me figure o=
ut
>>>>> 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.
>>>>>=20
>>>>> Mark S.
>>>>>=20
>>>>>=20
>>>>>=20
>>>>=20
>>>>=20
>>>=20
>>>=20
>>=20
>=20
> --
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