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Hey Mark, welcome back.
I bought a 20b from Bob Harrah and plan on using it with the Megasquirt system. I've been using a Microsquirt (same tech/company-small footprint) on my V8 jeep for the last 11 years. Easy to program and an abundance of help. These have been used on automotive
based rotary engines for a while. I'm going to use the MS3 Pro inmy project. When paired with a tablet, you have a fully programmable unit with a customizable ECU/EIS. More inputs and outputs than almost any other product and great data recording capabilities.
There are many other ECU choices, but some aren't as robust, and don't have an open-source architecture.
I'm working on my airframe right now, but can't wait to get started on the engine program.
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MS3Pro ULTIMATE was designed as a complete solution for high horsepower NA and boosted engine combos. Controls 4 cams, on-board MAP & peak & hold drivers.
www.diyautotune.com
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Les Criscillo
Nurse, Pilot, Brewmaster, Maker
From: Rotary motors in aircraft <flyrotary@lancaironline.net> on behalf of Charlie England ceengland7@gmail.com <flyrotary@lancaironline.net>
Sent: Monday, August 29, 2022 12:32 PM
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Subject: [FlyRotary] Re: Resurrecting my project
Hi Mark,
Welcome back! Finn's probably the go-to guy on progreaming at this point. I have the EC2 for my Renesis (updated to current software around the time Tracy retired), and I've considered switching to either
the Microsquirt or the SpeedUino, as well. MS is pretty expensive once you buy two & set up the relays to switch between them, but I can't yet get comfortable with using the consumer grade processor in the heart of the SpeedUino for a/c control. If there's
an option out there for a hardened, industrial grade controller that's plug&play, I'd seriously consider it.
I decided to use equal size aftermarket injectors, hoping it will simplify final tuning, but don't know if it was a wise choice; I haven't made engine noise yet.
Charlie
So after a few years hiatus of working on the project, I am back at it.
Glasair Super 2 with 4 port RENESIS.
Feels good, except I cannot remember all of my plans, nor some of the decisions I made. 2 sets of bell mouths for the intake, obviously one was first… and one was “decided on”
I purchased my EC-3 back in 2012. I believe at the time I asked Tracy for RENESIS engine with stock injectors and LS1 coils. Searching through the archives, it seems Finn Lassen
found that the EC3 is not programmed correctly to represent that? Or maybe I misread it.
All my electronic pieces are still unopened and no work has really been started on installing any of it. I am working on getting all the ancillary systems such as intake, exhaust,
oil and cooling setup.
So a few questions for the group:
1) ditch the EC3 and EM3 altogether (and provide it to someone else as a backup) Start acquiring/learning SpeedUino or some other system?
2) continue with what I have (is there some way to validate or change the programming of the EC3?)
3) unrelated: Anyone made the swap to yellow and blue injectors for RENESIS and are happy with their decision? Or stick with red and blue?
Appreciate any insights from others' experiences as I get back at this.
Warm regards,
Mark McClure
60% Glasair Super 2TD
35% 13b
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