X-Junk-Score: 0 [] X-Cloudmark-Score: 0 [] X-Cloudmark-Analysis: v=2.2 cv=O/h7h11W c=1 sm=1 tr=0 a=XWSBf9a/bkSGQevdmJs33w==:117 a=x7bEGLp0ZPQA:10 a=xXDCcK6TKBsA:10 a=JBFolyDoGHsA:10 a=pGLkceISAAAA:8 a=Ia-xEzejAAAA:8 a=0qqORytXAAAA:8 a=_6GpL_ENAAAA:8 a=7g1VtSJxAAAA:8 a=dld25ivV51w1Rb6Ry5cA:9 a=tpn-kwM8caDaeOC-:21 a=bkzm4qO_V2ijyQYS:21 a=QEXdDO2ut3YA:10 a=dSMIN0Rx14BIpy5mO4QA:9 a=-6pXsAyLs06EiVNS:21 a=rCuX1X6ExHqBmhuo:21 a=gxF1NODNJy78lIll:21 a=Qa1je4BO31QA:10 a=gvSQh4r-fQ0A:10 a=Urk15JJjZg1Xo0ryW_k8:22 a=Nj1bhqyGrdl6Az3_ctNx:22 a=grOzbf7U_OpcSX4AJOnl:22 From: "Todd Bartrim bartrim@gmail.com" Received: from mail-ed1-f45.google.com ([209.85.208.45] verified) by logan.com (CommuniGate Pro SMTP 6.2.7) with ESMTPS id 11654272 for flyrotary@lancaironline.net; Mon, 17 Sep 2018 13:20:13 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.208.45; envelope-from=bartrim@gmail.com Received: by mail-ed1-f45.google.com with SMTP id h4-v6so13551712edi.6 for ; Mon, 17 Sep 2018 10:20:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to; bh=S40BhR5BpVZts0ujxwvBwiooDwjKrlOJoWXl9tuV900=; b=fIKEvxkRHJAz3BrwDi3QROD9Q0XMewfsbyq2Hp894XZcsf9t2DOhYDaahqZgR0x5pC JQdQMf6Xt5IpdIalBGzpjbWbf6nSSv+ynK+UcfO4luo68gf/dhdVE4fORbZdiimaXFVT +c1g9AgIsXd6BhFNiffxHEgas1kcGBWSpTGrpMr45NsoSfW1LVIlpUY7fDkVpFVxOmL9 BtYZDbIyUlNgxeKD82ytEPARbKsQHqF4rnLshAmAw+V8g2Sqsn1LrwLpOS1TKCOoBEoZ +JE1/FOsz/6p6mdYHsJt/xnzSIJcqIba0tMeP/3mZ9xJScNLqM9eD48GzroIXshtqdlf SUtA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to; bh=S40BhR5BpVZts0ujxwvBwiooDwjKrlOJoWXl9tuV900=; b=mHdcf+SGQBYbxGr1NrFXYQ6qO3mJd9JHMnKAIXZ6IsI2INPfkgoNzhz0M9d6aMcUBO MdGzl7eVdbrHAqQMp2YskLy5Wdu+AbZwMDmIsKqxmIYXz0Tg5r6Mk2Vf8cu3bRisDqRa +KsTmpvLdjRAEG2nrlsrWCXxb+TYdl/gDNTfdVDc/a0uNfTgRR8k/a/y0G82reD9P2iB Uxm6Z/TnlSe7XCDHPjIka4KoFTCO3tH876fds8G+PEZLbCGJ0qCBigaNAY59EAA9TJwL VPWR4beGICTO5kxS24YWOJVWpBAcbwZ7f+aqt5rBowJBPWqtg5mTQkdAQ3E5mAGQZzLh 07fw== X-Gm-Message-State: APzg51BORZM2b/HqbsOttCc7Av5s266JHV+zBuavuqZ1ClDw3cizgnIZ Q2RHbtiVEmnyTCCKj5jmFDXnmDkU5VcgMoT6/fW2 X-Google-Smtp-Source: ANB0VdY5n3o9WBl6BQROlXmdXLCBP95zyD0WRPUaISHcwA8HzeK1ykUzz9nuvSeOj+ZvGiQ2bRimLu7sQJmgi3X9xpE= X-Received: by 2002:a50:8046:: with SMTP id 64-v6mr22985801eda.227.1537204793936; Mon, 17 Sep 2018 10:19:53 -0700 (PDT) MIME-Version: 1.0 Received: by 2002:a50:a5fd:0:0:0:0:0 with HTTP; Mon, 17 Sep 2018 10:19:53 -0700 (PDT) In-Reply-To: References: Date: Mon, 17 Sep 2018 10:19:53 -0700 Message-ID: Subject: Re: [FlyRotary] Re: ignition system To: Rotary motors in aircraft Content-Type: multipart/alternative; boundary="000000000000b08edb0576146192" --000000000000b08edb0576146192 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi Tracy; 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 him 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 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 the design before 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 < flyrotary@lancaironline.net> wrote: > Totally agree Todd, the Arduino is a fantastic platform to develop engin= e > controls or avionics on. 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 start= ed porting > the EC3 software over to the Arduino. I don=E2=80=99t plan to sell them = but will > give the software to anyone who wants it. The cost to build would be > little more than a $35 Arduino board and a chassis to mount it in. > > Tracy Crook > > On Sep 17, 2018, at 00:54, Todd Bartrim bartrim@gmail.com < > flyrotary@lancaironline.net> wrote: > > Hi Neil; > I know it's tempting 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 shipping from across the pond which can make it > hard to swallow. > 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. Arduino 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 focused on my current objectiv= e > and not stray down the garden path by getting distracted by all the thing= s > that can be done with them. Almost anything you can 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 unlimited number of > gadgets. There are open-source libraries of code available for almost any > conceivable project and I know in my browsing that I have seen some for > engine ignition/injection. > You can even pair up several (or more) micro-controllers for redundancy. > There are great you-tube tutorials to get you started and I recommend you > start right at the beginning. I know just enough to jump right in, but > 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 and > now this project is beginning to come together. > In most cases you don't need to wright your own code from scratch as yo= u > 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 ha= ve > EC2 powering my plane, then I would probably attempt to make my own. > > Todd > C-FSTB > 13Bturbo 9.5 hours last week > > > Todd Bartrim > > On Sun, Sep 16, 2018 at 6:26 PM, Charlie England ceengland7@gmail.com < > flyrotary@lancaironline.net> 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, >>>> >>>> The cost of an ECU is around the $3000 plus possibly >>>> $4000 with a few fittings, which is substantial. To simplify things a >>>> standard carby with a basic ignition systems would take a lot of money= from >>>> the project. What alternatives are there for a simple cheap ignition >>>> system to replace an ECU? >>>> >>>> Neil Unger. >>>> >>> Are you willing to change the trigger wheel? You could look at the Mega >>> Jolt (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. Micro Squirt will have batch fired injectors (like almost all >>> aftermarket systems for aviation engines). Mega Squirt can be set up ju= st >>> about any way you 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 >>> Squirt: >>> https://www.rx7club.com/megasquirt-forum-153/ >>> >>> Charlie >>> >> Oops; forgot. Len Hanover has published a method using just a couple of >> trigger detectors and (IIRC) Chrysler ignition modules. Same can be done >> with GM HEI modules. Downside is fixed timing. >> >> >> Charlie >> >> --- >> This email has been checked for viruses by Avast antivirus software. >> https://www.avast.com/antivirus >> >> >> -- >> Homepage: http://www.flyrotary.com/ >> Archive and UnSub: http://mail.lancaironline.net >> :81/lists/flyrotary/List.html >> > > --000000000000b08edb0576146192 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi Tracy;
=C2=A0 I'd be very interested in the sof= tware 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 a= s a good learning experience for him and now hearing that the EC3 code will= be available has convinced me that we should do this. I'd already plan= ned to buy him his own Arduino starter kit just because I think there is a = lot of educational value there, 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 the design before 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 <f= lyrotary@lancaironline.net> wrote:
Totally agree Todd, =C2=A0the Arduino is a fantas= tic platform to develop engine controls or avionics on.=C2=A0 Just for some= thing 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 don=E2=80=99t plan to sell them but will give the = software to anyone who wants it.=C2=A0 The cost to build would be little mo= re than a $35 Arduino board and a chassis to mount it in.

Tracy Crook

On Sep 17, 2018, at 00:54= , Todd Bartrim bartr= im@gmail.com <flyrotary@lancaironline.net> wrote:

Hi Neil;
=C2=A0 I know it'= s tempting 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 screw= ed 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 that would save you a lot of money, take up all your remai= ning time, but give you a ton of satisfaction. Arduino micro-controllers. I= 'm just starting to get into them while I'm building my own data-lo= gger for my first generation EM2 and am absolutely amazed at some of the id= eas people have used them for. It's difficult to stay focused on my cur= rent objective and not stray down the garden path by getting distracted by = all the things that can be done with them. Almost anything you can think of= , someone has done with an Arduino.=C2=A0
They are an open-source= hardware platform so there are many cheap clones available, with accessory= shields for an almost unlimited number of gadgets. There are open-source l= ibraries of code available for almost any conceivable project and I know in= my browsing that I have seen some for engine ignition/injection.
You can even pair up several (or more) micro-controllers for redundancy. T= here are great you-tube tutorials to get you started and I recommend you st= art right at the beginning. I know just enough to jump right in, but there = were enough things to trip me up that I finally went to the beginning and s= tarted learning from scratch to fill in the gaps in my knowledge and now th= is project is beginning to come together.
=C2=A0 In most cases yo= u don't need to wright your own code from scratch as you can find libra= ries with other users code that you can modify to suit your own needs. It&#= 39;s not as crazy as it might sound and id I didn't already have EC2 po= wering 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 Eng= land ceengland7@g= mail.com <flyrotary@lancaironline.net> wrote:<= br>
On 9/16/2018 7:33 PM, Charlie Engla= nd ceengland7@gma= il.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 control= lers, the Micro Squirt & Mega Squirt systems can both be set up for a r= otary. Micro Squirt will have batch fired injectors (like almost all afterm= arket systems for aviation engines). Mega Squirt can be set up just about a= ny way you 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= Squirt:
https://www.rx7club.com/megasquirt-forum-153/<= br>
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.


Charlie

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