Michael,
While I have found the EC2 a very easy
unit to deal with having started out with an aftermarket “Hot rod”
ECU known as HALTECH F3 – I know others have had problems.
First, I’d stick to the basics, before I would employ any of the
more “advanced” features such as autotune, I would make certain
that the basic injector functions are tuned up to match my engine
installation. Then once I had the basics down would I venture into the
more advanced modes.
Also, do not think that choosing the carburetor
is going to eliminate potential problems, you’re simply swapping one set
for another. While carburetor (like the EC2) will certainly work, I
encourage you to check with my friend Oly Olson
who can reveal some of those associated challenges.
He can be reached at:
olyolson1@earthlink.net
Ed
From: Rotary motors in aircraft
[mailto:flyrotary@lancaironline.net] On
Behalf Of Michael Silvius
Sent: Sunday, June 28, 2009 8:40 PM
To: Rotary
motors in aircraft
Subject: [FlyRotary] Re: More
progress, more questions....
The disparaging comments come from the unlikeliest sources
as well.
A few years back before buying my RD1C I called a geared
PSRU distributor in Canada
to inquire about the possibility of using his redrive on the Mazda
rotary. The one attractive part on his unit to me was the off-set that would
allow me to lower the engine, a desirable detail in my installation. I asked
if his redrive had ever been used in combination with the Mazda rotary, and
if so, what about the harmonics issues particular to the Mazda and how he
addressed them. At the time I also indicated that my other consideration
was the already proven unit from RWS. What followed from him was a diatribe
about the failures of the RWS ECU. He never answered my questions or addressed
the issues I queried about, choosing instead to disparage Tracy's work and the Mazda rather
than telling me how his own redrive could, or not work for me. That was
enough for me to learn I did not want to deal with this fellow. I would
rather deal with the one who has been there in the rotary world
since the beginning, had a proven track record and know that there
would be someone there who was willing to work with me in getting to my objective.
Beyond that what stands out to me is that the biggest
teething problem for so many with the Mazda rotary so far is the complexity of
the ECU/fuel inj/ ignition. As has been pointed out, the EC2 is not a plug and
play device and does take some degree of ghostbusters poltergeist
work to chase the gremlins down. And this may be a daunting issue for
more than one of us. I am planning on a dead nuts basic
carburated induction at least initially just to ease this part of
the process.
----- Original Message -----
Sent: Sunday, June 28,
2009 4:08 PM
Subject: [FlyRotary] Re:
More progress, more questions....
The anti-rotary sentiments are out there in many
shapes.
The other day I was surfing for PSRUs, when I read a PSRU manufacturer's
diatribe about why he was NOT making PSRUs for the Mazda. Basically he focused
on the real and rumored difficulties, past and present, of Mazda rotaries used
on aircraft. This had nothing to do with PSRUs at all, but with his prejudiced
thinking. There are a lot of rotaries out there being used in aircraft, and a
lot of progress made in making them work. I, for one, believe the rotary has
the potential of making the piston world get smaller and smaller - this is the
real secret fear of all the piston-heads - loss of prestige and money..
Oh yeah, silly me, I forgot an important thing: Lycoming and Continental
designed their engines, and they performed perfectly right away, never needing
trials, never experiencing problems, never having to issue product warnings or
recalls, right, guys!!?? No wonder all the rotary-experimenting poor slobs need
to be put straight immediately and often! (For you concrete thinkers out there,
this is sarcasm - I don't want to be blasted mistakenly.)
BTW, does anyone have a list of PSRU's that are also made for rotaries? The
emphasis today seems to be on geared PSRUs, why is that? What scientific
factual reasons prevent us from considering cog belts or chains?
Thank you.
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