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Subject: RE: [FlyRotary] Re: EC3 software for Renesis RX-8/LS2 coils fixed  and uploaded
Date: Wed, 8 Jul 2020 09:12:34 +1000
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Steve,
                That incident involved taking off with a known crack in =
the belt.  My solution is to replace the fan belt annually.  $30 is =
cheap insurance for a single point failure.  There are many single point =
failures that we all fly with.  Engine,  prop, tyres, etc.  There is no =
such thing as Zero risk.
    Perhaps I have lived long enough to realise I must eventually die??
Regards,  Neil.

-----Original Message-----
From: Rotary motors in aircraft <flyrotary@lancaironline.net>=20
Sent: Wednesday, July 8, 2020 9:03 AM
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Subject: [FlyRotary] Re: EC3 software for Renesis RX-8/LS2 coils fixed =
and uploaded

In relation to the CAS
After an incident here in Perth Western Australia, I chose to make =
changes to the CAS wiring.=20
It being a single point of failure.

A Glasair 3, IO540 with dual electronic ignition, had a belt failure =
which took our its single CAS input.
Pilot did an emergency landing onto a school oval totalling the aircraft =
and both pilot and passenger spent many months in hospital with horrific =
burns.

I chose to install the BUSENSOR option.
Now the CAS itself electrically an inherently reliable devise.=20
But it is just plastic and vulnerable to breakage if struck.
And the wiring harness may be vulnerable.=20
I added a stainless steel cable into the CAS wiring, anchored securely =
to protect it from a belt breakage.

Cheers

Steve Izett

=20


I went for the=20

> On 8 Jul 2020, at 5:49 am, Stephen Izett stephen.izett@gmail.com =
<flyrotary@lancaironline.net> wrote:
>=20
> Hi Finn
>=20
> I have a backup CAS that I was using with my EC2 way back and at one =
point it was working.
> Its mounted 90 degrees anticlockwise from the standard Renesis CAS=20
> (looking at the CAS end of the engine) Its not being used with the =
latest Closed Loop (autoprogram) code I have in my EC2 at present.
> I can=E2=80=99t recall if thats because the BUSENSOR flag =
wasn=E2=80=99t set or internal code issues.
>=20
> Steve Izett
>=20
>=20
>=20
>> On 7 Jul 2020, at 10:27 pm, Finn Lassen finn.lassen@verizon.net =
<flyrotary@lancaironline.net> wrote:
>>=20
>> I'm fairly sure the backup CAS sensor input does go the the CPU =
chips. TP2?
>>=20
>> ";09-04-03  ADDED B CONTROLLER LOGIC TO USE 30 DEG EARLIER TIMING ON =
BACKUP CAS IF PRESENT.
>> ...
>> ;05-12-10  MODIFIED 0xB1 TO USE THE SAME TIMING ON BACKUP CAS AS =
PRIMARY  THIS IS FOR LS-2-7 ENGINES.  MUST TEST!!!!!
>> ;Found error in B1 tp2 rout & fixed.  Runs OK now."
>>=20
>> BUSENSOR    EQU    0x00        ;0 =3D NO BACKUP SENSOR, 1 =3D BACKUP =
INSTALLED (0xA8,0xA9,AB,AD,B1,B2,B4 0-200 ENGINE ONLY)
>>=20
>> Looks like it's a programmable option.
>> Seems I've read elsewhere that is has to be mounted 90 degrees =
earlier than the main CAS.
>> I was going to look into that at some point. Other than the output =
switching relays, the CAS is pretty much the only single point of =
failure.
>> I tried to Google it but didn't really find any evidence of RX-8 CAS =
sensor failures. However, can be bought as a spare part ...
>>=20
>> Perhaps someone out there has already implemented it and can tell us=20
>> how. (Automatic or require a switch?)
>>=20
>> Finn
>>=20
>> On 7/6/2020 7:21 PM, A RICHARD GOLDMAN argoldman@aol.com wrote:
>>> Additionally I think there is an input for a second CAS something =
tells me that that was for future and it goes nowhere. Any thoughts?
>>> Rich
>>>=20
>>> Sent from my iPhone
>>>=20
>>>> On Jul 6, 2020, at 5:33 PM, Stephen Izett stephen.izett@gmail.com =
<flyrotary@lancaironline.net> wrote:
>>>>=20
>>>> Hi Rich.
>>>> What=E2=80=99s the RMS?
>>>> I have had the same question re knock input.
>>>>=20
>>>> Steve Izett
>>>>=20
>>>>> On 7 Jul 2020, at 3:38 am, argoldman@aol.com =
<flyrotary@lancaironline.net> wrote:
>>>>>=20
>>>>> Hi Fin, and all
>>>>>=20
>>>>> Been  pouring over the schematics etc. for ec-3 and em-3 that have =
been posted.
>>>>> At the outset let me confess that I am a rank dyslexic beginner at =
reading (and understanding) schematics.
>>>>>=20
>>>>> I have a ec-3 and em-3 which my records show that I purchased in =
April of 2010.
>>>>> Reading through the documents, it seems like the only change he =
made with the  6/13/12 update was to substitute a .001uf cap for =
existing at C28. Was the only change. For what reason was it done and is =
it suggested to make that modification.
>>>>>=20
>>>>> I also noticed that he has an input lead pin 38 IC1 for a knock =
sensor.
>>>>>=20
>>>>> Was there a software update between when I got mine and when he =
stopped shipping. Is it available and is it significantly important. Was =
the knock sensor included in that upgrade?
>>>>>=20
>>>>>=20
>>>>> HELP!!!  I'm learning just enough to become dangerous (mainly to=20
>>>>> my psyche) as I near the engine installation and testing (probably =

>>>>> early next spring or with the weather we have been having--mid=20
>>>>> winter. (Chicago)
>>>>>=20
>>>>> Any suggestions (other than to can the RMS (already installed)) to =
soothe my psyche?
>>>>>=20
>>>>> Thanks again
>>>>>=20
>>>>> Rich
>>>>>=20
>>>>>=20
>>>>>=20
>>>>>=20
>>>>=20
>>>> --
>>>> Homepage:  http://www.flyrotary.com/
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http://mail.lancaironline.net:81/lists/flyrotary/Listhtml
>>>=20
>>> --
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>>>=20
>>=20
>>=20
>> ---
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>>=20
>>=20
>> --
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>=20
>=20
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