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I'm going to use Megasquirt MS3 Ultimate on my 20B. I've been running a mega squirt in my Jeep for over 10 years. The unit has never failed me. It has a great user interface, the tuning software runs on a stable Linux platform, and allows me
a view screen that is programmable with all my custom parameters. It easily handles three rotor ignition with split timing, staged fuel injection, multiple tables, multiple oxygen sensors, and multiple map sensors. Other features include fuel pump control,
knock and detonation detection. This will allow me as close to a FADEC experience as possible. The tuning software will allow a number of custom inputs, including multiple pressure and temperature readings. Recording is continuous, and can be extracted via
SD card, Bluetooth, or USB. The current pricing for the ECU only is about $1,300, and a copy of the tuning software is $80. A generic wiring harness is about $200. Additional costs for the oxygen sensor and controller will bring my total package up to about
$2,000. Let me know if you have any questions.
From: Rotary motors in aircraft <flyrotary@lancaironline.net> on behalf of David Leonard wdleonard@gmail.com <flyrotary@lancaironline.net>
Sent: Tuesday, February 20, 2024 6:53:56 PM
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Subject: [FlyRotary] Re: Fuelteck
I am in the process of installing the fuetech as well. I wanted to add that it also has a screen, visible in sunlight, that is a complete engine monitor, expandable, fairy useful, and data logging possible.
add those features and it becomes cheaper than a EC2 + EM2
Dave Leonard.
Have been flying with the fueltech for possibly 8 years after my EMC caused problems. tracy was able to fix, no problems, but due to time in freight to the US and OZ I was down for 6 weeks. Did fiddle with another local Oz version but was complicated.
The local rotary gurus put me onto the fueltech which is also complicated as is designed for race cars / hotrods etc.. It does have a section especially for rotarys, possibly 3 pages but controls everything well. IN Oz at the time it was dear at $2800 AUD
but had and still has backup. Controls spark, fuel, timing, turbo on a rotary. Then there is about 70 pages of stuff you will not need in aircraft, like gear change, burnouts, boost and whatever else they use in drag racing. For me the big issue is backup
which these days in OZ is impossible to get in anything.
Neil Unger.
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