From: "Stephen Izett stephen.izett@gmail.com" <flyrotary@lancaironline.net>
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Subject: Re: [FlyRotary] Re: First engine run -- prop or not?
Date: Tue, 2 Jun 2020 22:10:01 +0800
References: <list-323227@logan.com>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
In-Reply-To: <list-323227@logan.com>
Message-Id: <98D9A3FA-B9F2-46CB-94A1-B667D88F1430@gmail.com>

Hi Finn

Thanks for the updated EC3 doc. I had an older version.

Steve

> On 2 Jun 2020, at 9:28 am, Finn Lassen finn.lassen@verizon.net =
<flyrotary@lancaironline.net> wrote:
>=20
> Yes, after putting the EC3 into injector test mode and checking that =
each is clicking (screwdriver as stethoscope) and into ignition test =
mode and see that all four plugs are firing, that would be my next step.
>=20
> You say you've already checked that the wiring to coils and injectors =
are correct:
> J2-3 Prim Inj 1
> J2-4 Sec Inj 1
> ...
> J2-10 Trail Coil 1
> ...
>=20
> I continuously surprised myself on how often I'd wired something =
wrong, in spite of trying to be very careful about getting it right. I =
wasn't kidding about Murphy working overtime.
> It's easy to get the pin numbering wrong on the connectors.
>=20
> If I were getting desperate, I would remove (one at a time) the =
connectors on the injectors and coils and check continuity from J2 pin =
to the connector pin.
> (You know that the power side are correct because works with EC2)
> Finn
> Got the copper washers in the mail today, but think I'll wait for =
these:
> https://www.ebay.com/itm/293592023854
>=20
> On 6/1/2020 7:30 PM, Stephen Izett stephen.izett@gmail.com wrote:
>> Thanks Finn.
>>=20
>> I had a chance to unpack the dump last night and conquer with your =
reflection.
>> I=E2=80=99m in the dark re the EC3. Checked wiring twice now.
>> I must put a cro on the injectors and coils to confirm they are =
triggering correctly.
>>=20
>> Steve
>>=20
>>> On 1 Jun 2020, at 9:59 pm, Finn Lassen finn.lassen@verizon.net =
<flyrotary@lancaironline.net> wrote:
>>>=20
>>> Program Mode 5 (Reset function)
>>>=20
>>> As of 01-25-13 the EC3 can be used with either the common narrowband =
O2 sensors or the more advanced wideband sensor systems.   Be sure to =
verify that your wideband sensor outputs in the range of 0 - +5 volts if =
using a wideband type.  To select the type in use, use the power up =
program mode method below:
>>>=20
>>> To select the O2 sensor type , perform the following steps:
>>>=20
>>> 1.  Turn the EC3 power off.
>>> 2.  Select mode 5 with the Mode Select switch
>>> 3.  Select the O2 sensor type using the Cold Start switch:  Up =3D =
Wideband, Down =3D Narrowband
>>> 4.  Press and hold the Program Store switch.
>>> 5.  While holding down the Program Store switch, turn on the power =
switch to the EC3.
>>> 6.  Keep holding the Program Store switch for about 1 second, and =
then release it.
>>> 7.   Return the Mode Select switch to 0.
>>> 8.   Power the EC3 off.   When the EC3 is powered up again it will =
be set for the O2 sensor type selected.
>>>=20
>>> Uploaded doc to:
>>> =
https://drive.google.com/drive/folders/1mVzPOxUwcGUlPizxnRF40nUyKBzfT4DC?u=
sp=3Dsharing
>>>=20
>>> PDF version still states that B is automatically programmed when A =
is programmed. Not true. Use the Word doc.
>>>=20
>>> Finn
>>>=20
>>>=20
>>> On 6/1/2020 9:16 AM, Stephen Izett stephen.izett@gmail.com wrote:
>>>> Hi Finn
>>>>=20
>>>> How does the mode 5 O2 sensor change work.
>>>> Ive not found this in the EC3 documentation.
>>>>=20
>>>> Steve
>>>>=20
>>>>> On 31 May 2020, at 4:08 am, Stephen Izett stephen.izett@gmail.com =
<flyrotary@lancaironline.net> wrote:
>>>>>=20
>>>>> Hi Finn
>>>>>=20
>>>>> Thats good news.
>>>>> At some point I=E2=80=99ll plug the EC3 in and see what the EM3 =
reports.
>>>>>=20
>>>>> We=E2=80=99re finally back in the air and testing again after the =
last 3 months of responding to COVID here in Perth.
>>>>>=20
>>>>> Last mods included some reshaping of inlets and diffusers and =
tidying up the inlet manifold (grinding smooth some weld that had =
penetrated into the runners).
>>>>>=20
>>>>> Yesterday our Renesis 4 port max fuel flow is up 10% to I think a =
reasonably accurate 18 gal/hr at 7100rpm, 29.5 inch of MAP and mixture =
at best power.
>>>>> We burn our Australian Premium Unleaded with no Ethanol which I =
believe is 6.26 lb/gal so I=E2=80=99m thinking thats around 190hp.
>>>>>=20
>>>>> Cheers
>>>>>=20
>>>>> Steve
>>>>>=20
>>>>>=20
>>>>>=20
>>>>>> On 31 May 2020, at 12:58 am, Finn Lassen finn.lassen@verizon.net =
<flyrotary@lancaironline.net> wrote:
>>>>>>=20
>>>>>> Wrong engine code solved!
>>>>>>=20
>>>>>> I looked at the dates of files in the EC3CL folder. These files =
were not updated to the date I programmed the EC3:
>>>>>> ECCL8.cof
>>>>>> ECCL8.map
>>>>>> ECCL8.O
>>>>>>=20
>>>>>> <mcppihngfoiehjon.png>
>>>>>>=20
>>>>>> So I started from scratch:
>>>>>>=20
>>>>>> Unzipped the EC3CL folder.
>>>>>>=20
>>>>>> Set ENG =3D A8; LS2COIL, LGSEC and WIDEBAND to 1 and rest to 0.
>>>>>>=20
>>>>>> Did "Erase", "Clean" and "Build All" and "Program" in MPLAB and =
reinstalled chip for controller A.
>>>>>>=20
>>>>>> Now EM3 correctly shows "A8" for engine code.
>>>>>>=20
>>>>>> Changed to narrow band using mode 5, and EM3 display correctly =
changed from 16 to 12 for ENGINFO.
>>>>>>=20
>>>>>> I must have chosen the "Make" option in MPLAB when I first =
programmed the chips, I guess.
>>>>>>=20
>>>>>> Unfortunately I must have damaged the controller B CPU chip when =
handling it (MPLAB reports device ID =3D 0) and will have to order a new =
one.
>>>>>>=20
>>>>>> Finn
>>>>>>=20
>>>>>> Still waiting for the $1.79 shipped copper washers to arrive in =
mail. Maybe I should bite the bullet and order five (six) Stat-O-Seal =
washer/O-rings at $8.56 per pack of two. $25.68 total :(
>>>>> --
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>>>>=20
>>>=20
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>>=20
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>>=20
>=20
>=20
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