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K. Smith
 
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Default E-Tec problems series 2

The E-Tec range of OB engines are now getting sold in numbers into
various markets & their ads are a total pain. So some anti-ads are in order.

In our opinion E-Tec have the potential to be an even bigger
consumer disaster than the first time when they were called Ficht &
marketed in the main by the same dealers/riggers who were then placarded
OMC.

The reasons for holding my opinions of what we say are E-Tecs design &
other problems are many, too many for one short NG post, they fall into
numerous categories any one of which, on it's own, is reason enough to
stay well away from them.

(i) The basic concept of running internal combustion engines with
lean mixtures at power, as opposed to overrun (doesn't happen in
boats:-)),idle or high speed very light throttle cruise (again doesn't
happen in boats).

(ii) The Direct Fuel Injection (DFI)into the combustion chamber (DFI)

(iii) The fuel injector nozzle.

(iv) The fuel injector

(v) The oiling system

(vi) The ignition system.

(vii) The engine displacements.

(viii) The latest version changes.

(ix) The "potential" for union labour to be used to build them.

(x) The "potential" way the manufacture is funded

(xi) The dealers/suppliers involved & the way/amounts they get paid

(xii) The marketing claims

(xiii) The warranty.

(xiv) Common sense.

I'll make a series of posts dealing with each category & if
needs be sub category. Needless to say, similarly I tried to warn you
through this NG about our "opinions" that Ficht would fail, "before" it
had become the disaster it did.

I was viciously & personally attached in this NG by those mostly with a
vested interest in selling/supporting known defective Ficht engines to
consumers. The dealers of course, the union thugs who had the undeclared
invested interest in the funding of OMC & a gaggle of sad simpletons
who, despite ample warnings in this NG, had fallen into buying one &
could only try to deny the obvious to save some value to their boats &
pride to there ego. Alas all sunk along with OMC when it fetched up on
Ficht reef. Save one true fool who went the next step & just kept
claiming he had bought another one every time the subject came up, which
would make him the most stupid person ever into rec.boats, a seriously
sad thing given some of the simpletons we've had & still have here over
the years:-) It's very possible he's just making it up about
buying more of them because if he had, I doubt his brain stem would even
support cardiac functions & remember a heart continues to beat even
outside the body.

Before we go onto series 2 I better thank all those who responded to
series 1, thanks. I note there were no technical objections raised that
warrant my attention & I thank Del for his usual attention to detail
on running engines lean while at power.

I have to say it was a stunning display of the monumental idiot bullies
who dominate this NG, seriously?? are you all that stupid??? is it even
possible??? I mean sure the uneducated Krause & loony Tom no problems
but you too Dick??? I mean you who loves to brag about being able to
operate a simple machine like a plane?? Bet you were scared if a wing
merely touched an uncompressably cloud of water vapour you'd never see
your money again:-) Oh well I guess it's true you can give a man money
but you can't give him brains, nor stop him being a sad lonely git
either it seems.

Special thanks again to Del as ever & as always Del when you need to say
something you do & I get worried you'll ping me as & when you should, I
rely upon it as I should:-) I know it's coming & hope I take it OK, I'll
try:-)

So the second subject is Direct Fuel into the combustion chamber
Injection DFI & I say:

Firstly there are a few of the big engine makers who are dabbling in DFI
Mitsubishi, Merc, Toyota etc but only two 2 strokes & only two OB's
(before the usual rabble of NG simpletons get their knickers in a knot
Optimax is not & never has been DFI, the fuel is injected into an
"additional" inlet manifold & mixed with compressed air "before" it's
injected into the combustion chamber.)

There has not been any great uptake in the use of DFI by any of the
proper engine manufacturers because having the fuel injector itself
inside the combustion chamber gives a complete new set of problems;
Heat,
Varying pressure/temps
Carbon & other byproduct contamination,
Very high injection pressures if any real vapourisation is to be had &
contaminants to be kept off the nozzle itself.
There are few real advantages to be had over traditional port injection.

Save E-Tec; all the DFI proponents use massively high injection
pressures compared to "normal" port injection systems i.e. the Yamaha
800psi which when dealing with petrol is a huge ask.


Time, is a real issue, it takes time for fuel to vapourise, in a normal
4 stroke with port injection the time is available (as it is with
Optimax) but in a DFI the only time available is the compression stroke
after all valving has shut.

In a crankcase transferred 2 stroke the problem is even worse because
the "valves" (ports) are not all covered till the piston is long past BDC.

Another base thing to keep in mind is that the proper engine builders
have tinkered with DFI so they can run lean mixtures only at idle,
overrun & high speed light throttle cruise, when an engine can be leaned
with minimal risk of excessive chamber heat buildup. Even port injection
engines do this defacto particularly at high revs low load, by
recirculating exhaust gas direct back into the engine, which "dilutes" &
cools the charge.

Apart from trying to run a lean mixture by injecting the fuel near the
plug, DFI has no advantage at all & a whole new set of problems.

The latest Toyota material on the subject has a twin injection system,
DFI when required & normal port injection the rest of the time, again
the extra complexity & consumer reliability risks are still not worth
the trouble.

OK so that's the basic issues with DFI in general as I see it.

With a little luck this time the idiots will stay out of the thread???
Their only collective chance of not look even more stupid (not possible)
is to just shut the up:-)

K

Of course the E-Tec series will need to also include a Krause lie or a
loony Tom paste:-) Although I don't think Tom will ever surpass his
series 1 posts on gases:-) He must just bully BS his way through life
how sad.

I expect the abuse from the simpletons & they never disappoint:-)
however John H chipped me for the Krause lie?? It's really sad that John
has rolled over to this low life lying union bully, so just to remind
him who he's kissing up to & how sad & desperately lonely he must be to
allow it. I guess also it's time to wonder why bullying is a problem in
the armed forces & school systems??? when the teachers don't even have
the backbone to stand up for themselves??? Anyone can appease bullies
then deceive themselves into thinking they have a friend John, but
you've gotten into bed with the worst enemy known to all endeavours, a
lying union thug. I better post some of the lies Krause has told this NG
about you personally, I stress as always Krause is lying & any of us who
know & respect John H in this NG will confirm this is just more of the
Krause lies;

You must have run out of high school babysitting jobs

I doubt he's read the classic comics versions of much of anything.

Apparently John has problems being a john. Go figure.

Well, John, since you have no idea or knowledge over the rather peculiar
news "gatherer" I use some days, your opinion is...worthless.

But since your entire world is binary, black or white, I suppose you are
blind to the grey.

That's what happens when you waste your life in the military.

Not after you've wasted your life in the Army.

Gee, John...did you just read about this in Army Times (mustered-out
edition)?

Does John actually teach? I know he's mentioned he subs in the
Alexandria school system, but my recollection is that he has posted that
he mainly babysits high school kids, and doesn't teach. Or was it that
he tries to teach some math classes if he is assigned one, but doesn't
try to teach if he is assigned to a non-math class.

I'm not sure anything about John passes the WGAS test.

Yeah. I'd toss John to the sharks. He seems to have fewer and fewer
redeeming qualities.

John, after all, is a retired military
puke, and the only people in the country who take military pukes
seriously are...other military pukes.

Simpleton.

You really have turned yourself into a lying asshole, John.

As for the rest of Herring's diatribe, he's just being his disingenuous
self. Although he's gotten nastier and nastier the last few weeks. I
think his real asshole personality is emerging, the same one I picked up
on at the marina.

John spent his career in the military and is used to more bull****.

John needs a tad of reprogramming.

It's hard to have respect for an organization that had you in it long
enough for a retirement.

Isn't that why you joined the military? Free health care, free college,
free prescriptions, subsidized housing...such a deal...was it good for you?

Indeed. Probably too complex for John, even though it is the simplest of
newsreaders to use.

John is absolutely clueless about what you are discussing or about the
b.s. factor in military PR.

Drinking heavily again, John?

Whooosh...right over your head, again, John. But, then, you have no
marketable skills, either...

Well, John, some of us have to be open-minded and bright, like me, and
others of us have to be close-minded and dull, like you.

I suppose we have to cut John Herring some slack...he did spend most of
his adult life in the military, where thinking is not encouraged.

Once again, John, you're not worth more than a one-liner as a response.
Go play with your good conduct medal. Did you also get one for attendance?

Naw. John prefers chickenhawk with his fries.

Which just proves what a sleaze you are, because if you did vote for
Sharpton, you voted in the Democratic primary, and since you are a
Republican, you cast your vote as a would-be spoiler.

Do you ever have anything other than simple-minded thoughts, John?

Stupid? You mean like the 12 or so posts you just vomited up here, John?

Only a low-life right-wing failure like you would think so, John

You probably haven't read either book, either, or many other books, not
for a long time, if ever.

John has limited skills. That's why he spent his adult life in the
military.

No wonder you are so ****y.

But Bush's failures matter not to Herring and other flat-line
Republicans like him. They'll vote for Bush not matter what, utter foolw
that they are.

Yeah, reich, er, right. What a surprise...John the Wingnut voting
Republican...again.

Searching contrainer ships is a lot different from carving away at the
Constitutional rights of citizens, but I wouldn't expect a d.f. like you
to appreciate the difference.

Coulter? Sheesh. You really are a bottom feeder.

Here you go, dicquehead:

John H. in person sort of looks like he is in the mid stages of AIDs.
Too thin, large splotches on his skin, hair falling out...

Did you get an attendance award, Herring?

John and his ilk are simple-minded konservatives, cannot think
abstractly, and see issues only in black or white terms. John is an
especially pathetic konservative, as he spent most of his adult life as
a federal employee sucking on the taxpayers' teat, and now works as a
teacher in the public school system, thus continuing his sucking on the
taxpayers' teat. You would think a konservative like John would disdain
a paycheck from the taxpayers. But that would require him to be able to
think in the abstract, and such thinking is not allowed those in the
military.

Au contraire...I believe teaching to be among the most honorable
professions, and always have. But you're not a teacher, John...you are a
babysitter.

More bull**** from you, John? I have the greatest respect for public
school teachers, who work long hours under difficult conditions for, at
best, ordinary pay and benefits. You're not a real teacher; you're a
substitute teacher who has admitted more than once that on many of your
assignments, you don't teach at all, or even try to teach. You do
nothing more than babysit. You obviously missed the irony in my post;
the insult was aimed at you, not the teaching profession. You are a
self-proclaimed conservative and yet, for your living most of your life,
you have drawn your pay from the taxpayers, and thumbed your nose at
your job responsibilities.

If I lived in your town and were a whining slimeball like you, I'd
complain about you in a way that matters. But I'm not pondscum like you
are, and I'd never ever try to cause anyone job problems because of
their newsgroup political statements or leanings.

You're just living (barely) proof of how low your end of the political
spectrum has sunk.



 
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