X-Junk-Score: 0 [] X-Cloudmark-Score: 0 [] X-Cloudmark-Analysis: v=2.2 cv=O/h7h11W c=1 sm=1 tr=0 a=25wAzPyKsFLuugJVl5BEZw==:117 a=thdTrgwM6TmnggckcILPUQ==:17 a=x7bEGLp0ZPQA:10 a=VqmtQeTB-p0A:10 a=4_-BN3WEXhEA:10 a=JBFolyDoGHsA:10 a=pGLkceISAAAA:8 a=Ia-xEzejAAAA:8 a=0qqORytXAAAA:8 a=_6GpL_ENAAAA:8 a=7g1VtSJxAAAA:8 a=ca8ETNGdFMs735GVZ4wA:9 a=hIRtqoyvI9Z-aoA0:21 a=pX3FyD5bar3l6Av4:21 a=QEXdDO2ut3YA:10 a=Qm3EUTm5eBUA:10 a=Qa1je4BO31QA:10 a=gvSQh4r-fQ0A:10 a=yMhMjlubAAAA:8 a=SSmOFEACAAAA:8 a=RfKoJN72MPuWfP3D:21 a=PvRAaf8DsQ59W5I4:21 a=SB3ths8W3i128hQ-:21 a=gKO2Hq4RSVkA:10 a=UiCQ7L4-1S4A:10 a=hTZeC7Yk6K0A:10 a=frz4AuCg-hUA:10 a=uhGSWE4YubS47_sVCAo8:22 a=Urk15JJjZg1Xo0ryW_k8:22 a=Nj1bhqyGrdl6Az3_ctNx:22 a=grOzbf7U_OpcSX4AJOnl:22 From: "Tracy Crook rwstracy@gmail.com" Received: from mail-pl1-f169.google.com ([209.85.214.169] verified) by logan.com (CommuniGate Pro SMTP 6.2.7) with ESMTPS id 11664020 for flyrotary@lancaironline.net; Wed, 19 Sep 2018 21:39:41 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.214.169; envelope-from=rwstracy@gmail.com Received: by mail-pl1-f169.google.com with SMTP id u11-v6so3502680plq.5 for ; Wed, 19 Sep 2018 18:39:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=message-id:mime-version:to:from:subject:date:importance:in-reply-to :references; bh=Yj2nz1VG1hmjeBrYF2OqiJsUQDddVNJU+shLgwHuUfo=; b=lAjCr+G3QdNFKBGrJZbgc+H5Tk1qGLES0K37v2B+nMxqT0mOnEQ5+aq3kQwQdh6BH3 WQ1GG1hZ5QybKf33M+2XeGqBp911HIJpavcPIfyuWWxZjyiusYQRKRvY/9qUt6+E+ENE 8JdFXZCkK6NCkaCg2TkVqprSBESeedaat3OeNuOy5tbLEeweCT0mmzAPVjcxgrKAnHti +13Y/3ASHHFNWr80aFXylEWmnwfr+y6CuT/eDPKe/DFCLVgcNMq/2dioT1craV3bDVWt 16cz9djKP6Nw9ivflbrYk0LMccz1h1zn7QYQsZ83usI1x+WXe2GYRk74lfycqAVdAbUy 2w6w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:message-id:mime-version:to:from:subject:date :importance:in-reply-to:references; bh=Yj2nz1VG1hmjeBrYF2OqiJsUQDddVNJU+shLgwHuUfo=; b=pJUIj6I+M0BHNye/UeUu6rHweOzpDPtZmvjYpmxczPksN0lZMlamdGGGez0DJafgpN /ihXa+hJTsRzVP27x/E57juYgvcuqRG58F5d7Qh4w859bpWUjMgerqGrJflgYqjHTdSV 2Vg+NanlFViAmO6O/g6T8J2vErZYXLBwlruhfjIwhNg/gTVF3ZF62s8V1HZ/3bG5e+0I jlXKC/lHtDV0YPnDb9lhkFaBWXqb3K8peGOapNROJJNvdQEQgu2DQF3lFVsTIvheQRfR wBn+K84dFf0Oj9rui8XhDdQotXdvlgth/+oWEnUR17IvImkd9B/UAYIS7s0Dj1NADLZn j7Ow== X-Gm-Message-State: APzg51B1U3ZX9Zss4jB9dXotx27aEyW9vlgYR1qegOGl2uu3dNDTjVt7 5/ayqUJRLNI/Da10L/mUzj02Op1w X-Google-Smtp-Source: ANB0VdbpprYoJHWXtFN6UAzT9zbmrcHBj/g0g8CV0TrDVFmFZ523gMQRpLgFvU9s+19sB0+Po+Ie/Q== X-Received: by 2002:a17:902:f096:: with SMTP id go22mr37551927plb.183.1537407565674; Wed, 19 Sep 2018 18:39:25 -0700 (PDT) Return-Path: Received: from ?IPv6:::ffff:172.20.10.3? (99.sub-97-44-1.myvzw.com. [97.44.1.99]) by smtp.gmail.com with ESMTPSA id h130-v6sm27895639pgc.88.2018.09.19.18.39.15 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 19 Sep 2018 18:39:24 -0700 (PDT) Message-ID: <5ba2fa4c.1c69fb81.82746.a19d@mx.google.com> MIME-Version: 1.0 To: Rotary motors in aircraft Subject: RE: [FlyRotary] Re: ignition system Date: Wed, 19 Sep 2018 21:39:16 -0400 Importance: normal X-Priority: 3 In-Reply-To: References: Content-Type: multipart/alternative; boundary="_562CF036-703A-4403-A931-6E82C2D157C1_" --_562CF036-703A-4403-A931-6E82C2D157C1_ Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" OK, lambda gauge will be in. Lambda input is already there so pretty easy = to do. Tracy Sent from Mail for Windows 10 From: Neil Unger 12348ung@gmail.com Sent: Wednesday, September 19, 2018 5:14 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: ignition system Tracy, =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Great to hear as the only thing I d= id not like about your EC3 was the software is now 40 years out of date.=C2= =A0 That is telling you how far you were in being ahead of the pack at that= time.=C2=A0 You were years ahead of your time!!=C2=A0 Would like to see a = Lambda gauge in there somewhere.=C2=A0 AS I say I need a simple RPM, engine= monitors --=C2=A0 heat and pressures-- alarms--=C2=A0 Lambda reading--=C2= =A0 =C2=A0 Timing is possibly academic? =C2=A0=C2=A0 Really not much else a= s I only get confused.=C2=A0 Possibly a readout of about 4 x 3 inches for u= s geriatrics! Neil. On 9/20/2018 6:59 AM, Tracy Crook rwstracy@gmail.com wrote: I'll post up dates an progress on the Arduino software port. =C2=A0If anyon= e has ideas to add/change, things they like/don=E2=80=99t like about the EC= 2/3 or things that could be better, let me know. =C2=A0To the guy designing= a thing the operation might be obvious but be terribly confusing to anyone= else.=C2=A0=20 Tracy Crook=20 On Sep 17, 2018, at 11:19, Todd Bartrim bartrim@gmail.com wrote: Hi Tracy;=20 =C2=A0 I'd be very interested in the software code for an Arduino/EC3 when = it is ready. My Dad has given my 14 year old son his old jeep as a project = to work on for the next few years until he can drive legally. I had already= been considering converting it to EFI as a good learning experience for hi= m and now hearing that the EC3 code will be available has convinced me that= we should do this. I'd already planned to buy him his own Arduino starter = kit just because I think there is a lot of educational value there, but wit= h a goal of building his own EFI for his own Jeep, there will be a lot of m= otivation to learn. And it will be a great platform to test the design befo= re possibly trying it in any future aircraft builds. Todd Todd Bartrim On Mon, Sep 17, 2018 at 5:42 AM, Tracy Crook rwstracy@gmail.com wrote: Totally agree Todd, =C2=A0the Arduino is a fantastic platform to develop en= gine controls or avionics on.=C2=A0 Just for something to do (and because I= =E2=80=99d like to see an EFI solution available to anyone who wants one) I= =E2=80=99ve started porting the EC3 software over to the Arduino.=C2=A0 I d= on=E2=80=99t plan to sell them but will give the software to anyone who wan= ts it.=C2=A0 The cost to build would be little more than a $35 Arduino boar= d and a chassis to mount it in.=20 Tracy Crook=20 On Sep 17, 2018, at 00:54, Todd Bartrim bartrim@gmail.com wrote: Hi Neil;=20 =C2=A0 I know it's tempting to cut a corner and use a carb to get flying fa= ster/cheaper, but I'd really try to stay with EFI. Many advantages. I know = you get screwed on shipping from across the pond which can make it hard to = swallow.=C2=A0 Here's a really half-baked, out of the box idea, that you could look into t= hat would save you a lot of money, take up all your remaining time, but giv= e you a ton of satisfaction. Arduino micro-controllers. I'm just starting t= o get into them while I'm building my own data-logger for my first generati= on EM2 and am absolutely amazed at some of the ideas people have used them = for. It's difficult to stay focused on my current objective and not stray d= own the garden path by getting distracted by all the things that can be don= e with them. Almost anything you can think of, someone has done with an Ard= uino.=C2=A0 They are an open-source hardware platform so there are many cheap clones av= ailable, with accessory shields for an almost unlimited number of gadgets. = There are open-source libraries of code available for almost any conceivabl= e project and I know in my browsing that I have seen some for engine igniti= on/injection. You can even pair up several (or more) micro-controllers for redundancy. Th= ere are great you-tube tutorials to get you started and I recommend you sta= rt right at the beginning. I know just enough to jump right in, but there w= ere enough things to trip me up that I finally went to the beginning and st= arted learning from scratch to fill in the gaps in my knowledge and now thi= s project is beginning to come together. =C2=A0 In most cases you don't need to wright your own code from scratch as= you can find libraries with other users code that you can modify to suit y= our own needs. It's not as crazy as it might sound and id I didn't already = have EC2 powering my plane, then I would probably attempt to make my own. Todd C-FSTB 13Bturbo=C2=A0 9.5 hours last week Todd Bartrim On Sun, Sep 16, 2018 at 6:26 PM, Charlie England ceengland7@gmail.com wrote: On 9/16/2018 7:33 PM, Charlie England ceengland7@gmail.com wrote: On 9/16/2018 4:35 PM, Neil Unger 12348ung@gmail.com wrote: Gents, =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0 The cost of an ECU is around the $3000 plus pos= sibly $4000 with a few fittings, which is substantial.=C2=A0 To simplify th= ings a standard carby with a basic ignition systems would take a lot of mon= ey from the project.=C2=A0 What alternatives are there for a simple cheap i= gnition system to replace an ECU? Neil Unger. Are you willing to change the trigger wheel? You could look at the Mega Jol= t (ignition only). It requires a 36-1 wheel, like Ford uses here in the USA= (might be the same down under). If you're interested in alternatives in full injection/ignition controllers= , the Micro Squirt & Mega Squirt systems can both be set up for a rotary. M= icro Squirt will have batch fired injectors (like almost all aftermarket sy= stems for aviation engines). Mega Squirt can be set up just about any way y= ou can dream up. The Micro Squirt controller with harness is about $400 US. The Mega Squirt = controller is about $600 US. The car guys love them. Here's a link to an RX-7 forum page on the Mega Squ= irt: https://www.rx7club.com/megasquirt-forum-153/ Charlie Oops; forgot. Len Hanover has published a method using just a couple of tri= gger detectors and (IIRC) Chrysler ignition modules. Same can be done with = GM HEI modules. Downside is fixed timing.=20 Charlie --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus -- Homepage:=C2=A0 http://www.flyrotary.com/ Archive and UnSub:=C2=A0 =C2=A0http://mail.lancaironline.net:81/lists/flyro= tary/List.html --_562CF036-703A-4403-A931-6E82C2D157C1_ Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset="utf-8"

OK, lambda gauge will be in.=C2=A0 L= ambda input is already there so pretty easy to do.

=  

Tracy

Sen= t from Mail for Windows 10

 

From: Neil Unger = 12348ung@gmail.com
Sent: Wednesday, September 19, 2018 5:14 P= M
To: Rotary motor= s in aircraft
Subject: [FlyRotary] Re: ignition system

 

Tracy,

  &n= bsp;            = ;     Great to hear as the only thing I did not like ab= out your EC3 was the software is now 40 years out of date.  That is te= lling you how far you were in being ahead of the pack at that time.  Y= ou were years ahead of your time!!  Would like to see a Lambda gauge i= n there somewhere.  AS I say I need a simple RPM, engine monitors --&n= bsp; heat and pressures-- alarms--  Lambda reading--    Timi= ng is possibly academic?    Really not much else as I only get co= nfused.  Possibly a readout of about 4 x 3 inches for us geriatrics!

Neil.

 

On 9/20/2018 6:59 AM, Tracy Crook rwstracy@gmail.com wrote:

I'll post up dat= es an progress on the Arduino software port.  If anyone has ideas to a= dd/change, things they like/don=E2=80=99t like about the EC2/3 or things th= at could be better, let me know.  To the guy designing a thing the ope= ration might be obvious but be terribly confusing to anyone else. 

 

Tracy Crook


On Sep 17, 2018, at 11:19, Todd Bartrim <= a href=3D"mailto:bartrim@gmail.com">bartrim@gmail.com <flyrotary@lancaironline.net> wrote= :

Hi Tracy;

  I'd be very interested in the software code for an Ardu= ino/EC3 when it is ready. My Dad has given my 14 year old son his old jeep = as a project to work on for the next few years until he can drive legally. = I had already been considering converting it to EFI as a good learning expe= rience for him and now hearing that the EC3 code will be available has conv= inced me that we should do this. I'd already planned to buy him his own Ard= uino starter kit just because I think there is a lot of educational value t= here, but with a goal of building his own EFI for his own Jeep, there will = be a lot of motivation to learn. And it will be a great platform to test th= e design before possibly trying it in any future aircraft builds.

 

Todd

Todd Bartri= m

 

On Mon, Sep 17, 2018 at 5:42 AM, Tracy Crook rwstracy@gmail.com <flyrotary@lancaironline= .net> wrote:

Totally agree Todd,  the Arduino = is a fantastic platform to develop engine controls or avionics on.  Ju= st for something to do (and because I=E2=80=99d like to see an EFI solution= available to anyone who wants one) I=E2=80=99ve started porting the EC3 so= ftware over to the Arduino.  I don=E2=80=99t plan to sell them but wil= l give the software to anyone who wants it.  The cost to build would b= e little more than a $35 Arduino board and a chassis to mount it in. <= /o:p>

 

Tracy Crook


On Sep 17, 2018, at 00:54, Todd Ba= rtrim bartrim@gmail.= com <flyrotary@lancaironline.net> wrote:

Hi Neil;

  I know it's t= empting to cut a corner and use a carb to get flying faster/cheaper, but I'= d really try to stay with EFI. Many advantages. I know you get screwed on s= hipping from across the pond which can make it hard to swallow. <= /o:p>

Here's a really half-baked, out of= the box idea, that you could look into that would save you a lot of money,= take up all your remaining time, but give you a ton of satisfaction. Ardui= no micro-controllers. I'm just starting to get into them while I'm building= my own data-logger for my first generation EM2 and am absolutely amazed at= some of the ideas people have used them for. It's difficult to stay focuse= d on my current objective and not stray down the garden path by getting dis= tracted by all the things that can be done with them. Almost anything you c= an think of, someone has done with an Arduino. 

They are an open-source hardware platform so there = are many cheap clones available, with accessory shields for an almost unlim= ited number of gadgets. There are open-source libraries of code available f= or almost any conceivable project and I know in my browsing that I have see= n some for engine ignition/injection.

You can even pair up several (or more) micro-controllers for redun= dancy. There are great you-tube tutorials to get you started and I recommen= d you start right at the beginning. I know just enough to jump right in, bu= t there were enough things to trip me up that I finally went to the beginni= ng and started learning from scratch to fill in the gaps in my knowledge an= d now this project is beginning to come together.

=

  In most cases you don't need to wright your own= code from scratch as you can find libraries with other users code that you= can modify to suit your own needs. It's not as crazy as it might sound and= id I didn't already have EC2 powering my plane, then I would probably atte= mpt to make my own.

&nbs= p;

Todd

<= p class=3DMsoNormal>C-FSTB

13= Bturbo  9.5 hours last week

 


Todd Bartrim

 

On Sun, Sep 16, 2018 at 6:26 PM, Charlie England ceengland7@gmail.com= <flyro= tary@lancaironline.net> wrote:

On 9/16/2018 7:33 PM, Cha= rlie England ceen= gland7@gmail.com wrote:

On 9/16/2018 4:35 PM, Neil Unger 12348ung@gmail.com wrote:

=

Gents,

      &nbs= p;           The cost of = an ECU is around the $3000 plus possibly $4000 with a few fittings, which i= s substantial.  To simplify things a standard carby with a basic ignit= ion systems would take a lot of money from the project.  What alternat= ives are there for a simple cheap ignition system to replace an ECU?
Neil Unger.

Are you willin= g to change the trigger wheel? You could look at the Mega Jolt (ignition on= ly). It requires a 36-1 wheel, like Ford uses here in the USA (might be the= same down under).

If you're interested in alternatives in full inje= ction/ignition controllers, the Micro Squirt & Mega Squirt systems can = both be set up for a rotary. Micro Squirt will have batch fired injectors (= like almost all aftermarket systems for aviation engines). Mega Squirt can = be set up just about any way you can dream up.

The Micro Squirt cont= roller with harness is about $400 US. The Mega Squirt controller is about $= 600 US.

The car guys love them. Here's a link to an RX-7 forum page = on the Mega Squirt:
https://www.rx7club.com/megasquirt-forum-153/
Charlie

Oops; forgot.= Len Hanover has published a method using just a couple of trigger detector= s and (IIRC) Chrysler ignition modules. Same can be done with GM HEI module= s. Downside is fixed timing.

=

Charlie

---
This email has been checked for viruses by Av= ast antivirus software.
https://www.avast.com/antivirus


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