From: "Stephen Izett stephen.izett@gmail.com" <flyrotary@lancaironline.net>
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Subject: Re: [FlyRotary] First engine run -- prop or not?
Date: Thu, 4 Jun 2020 21:01:13 +0800
References: <list-325174@logan.com>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
In-Reply-To: <list-325174@logan.com>
Message-Id: <FFAB187D-D445-41A8-AE8F-CBA5600A67C7@gmail.com>

Hi Finn & all

Can anyone using an EC2 confirm if the Autotune functions works for =
them?
Not the autotune built into the EM3 engine monitor, the EC2 version.

Thanks

Steve Izett

> On 2 Jun 2020, at 10:10 pm, Stephen Izett stephen.izett@gmail.com =
<flyrotary@lancaironline.net> wrote:
>=20
> Hi Finn
>=20
> Thanks for the updated EC3 doc. I had an older version.
>=20
> Steve
>=20
>> 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
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>>>=20
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>>>=20
>>=20
>>=20
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>=20
>=20
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