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No way it will fit. Also needs a custom exhaust. Nothing a dremel tool, fiberglass, resin and LOTS of time can't fix though.
----- Original Message ----
From: Douglas Brunner <douglasbrunner@earthlink.net>
To: lml@lancaironline.net
Sent: Wed, December 16, 2009 12:32:54 PM
Subject: [LML] Re: io-550 vs. tsio-550 differences?
Yes, but can you fit it into a Legacy cowling????
----- Original Message ----- From: "George Braly" <gwbraly@gami.com>
To: <lml@lancaironline.net>
Sent: Wednesday, December 16, 2009 10:02 AM
Subject: [LML] Re: io-550 vs. tsio-550 differences?
Ah... you could buy a TN IO-550 engine and have exactly what you want.
It already has all of that stuff you are worried about.
Intercoolers, fuel pump, throttle, GAMIjector(R) fuel injectors, pressurized magnetos, and all the little details.
There are over 900 of them flying, and parts support is superb (ask me how I know).
They have better intercooler efficiencies than the TCM TSIO-550.
They run on significantly less fuel than TCM TSIO-550s at the same BHp.
They run cooler than a TCM TSIO-550 at the same BHp.
They can be made to run at VERY high horsepower (Sport Class winning BHp levels at Reno if you find someone who really understands the engines and knows how to get them set up right for that demanding activity.)
And they are able to use an electronic waste gate controller designed for that engine.
There is a pending STC application with the FAA to authorize their use on certified aircraft with G100UL fuel.
I know where one complete engine and turbo system is sitting, ready to be installed.
. . . Just a thought.
-----Original Message-----
From: Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of Rick Titsworth
Sent: Tuesday, December 15, 2009 7:41 AM
To: lml@lancaironline.net
Subject: [LML] Re: io-550 vs. tsio-550 differences?
Subtle item, but the sniffle value is also different.
Also obvious, but not mentioned, the intercoolers and associated plumbing.
I can't imaging buying all the individual turbo items at TCM spare part
costs would be any advantage. For example, the small sniffle value alone is
$1,000.
You'll also need a strategy/approach on the sonic nozzles. Popular opinion
is that they are needed (required) for the waste gate to function properly
(dynamic response issue) and/or to prevent turbo stalls. However, that
means you're likely just bleeding some pressurized (boosted) air overboard,
which is essentially wasted fuel economy.
-----Original Message-----
From: Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of Matt
losangeles
Sent: Monday, December 14, 2009 10:52 PM
To: lml@lancaironline.net
Subject: [LML] io-550 vs. tsio-550 differences?
Does anybody know the differences between the io-550 vs the tsio-550?
So far this is what I have determined:
io-550 8.5 compression vs tsio-550 7.5 compression
different fuel pump on tsio with aneroid and a reference port
different injectors with reference ports on tsio
tsio has a scavange pump lines and turbos.
different exhaust obviously
tsio has wastegate and fancy expensive stuff to control it
tsio has a different throttle body part#
The reason I ask is I am trying to create a turbo normalized io-550 and I am
not sure if I should get an io-550 core and add the tsio fuel pump,
injectors, scavange pump and turbos.
I could also get a tsio-550 core and put different pistons/cylinders on it.
I suspect the cylinders are the same and the pistons are the only
difference.
I also talked with Continental about this and supposedly the throttle body
is different between the two but they could not say why. Only that they had
different part#'s. They did say that something as simple as a 45 vs. a 90
degree fitting or different color paint can cause a different part# with
their stuff so there is a chance that the throttle body on the two is
mechanically the same. I was wondering if anyone knew the differences
between the two.
Also, which core would likely be the better to get, io-550 or the tsio-550.
This engine is going on a Legacy so I am comparing the io-550G or N vs. the
tsio-550c.
Thanks for any info you might have on this.
Matt
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