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Matt Dralle
Site Admin
Joined: 08 Nov 2005
Posts: 26320
Location: Livermore CA USA
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 Posted: Tue Jul 01, 2008 9:22 am Post subject: Certified IO-360-A1B6 vs. Experimental XIO-360-A1B6 |
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So Lycoming is now making a non-certified "X" version of the IO-360 and the claims are "its exactly the same engine, just without the paperwork and its cheaper". But is this really all true? I read that the X model has a clone injector instead of the Bendix injector as on the cert version. That seems like a pretty big difference. Does it matter? What else about the X model is "almost" the same?
Am I just being too cynical about the X model? Is it just as good an engine as the cert version? Should one just save some money, or is the extra $6k worth it even in an RV application?
Matt
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Dave(at)AirCraftersLLC.co
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| Posted: Tue Jul 01, 2008 9:44 am Post subject: Certified IO-360-A1B6 vs. Experimental XIO-360-A1B6 |
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Matt,
Precision Airmotive gave a big lecture at the last IA seminar about the
difference between the certified injector and the experimental version:
the label and the price.
Even if Lyc is using an Airflow injector, which I doubt, I'd save the money
in a heartbeat (Airflow makes great systems too).
Dave Saylor
AirCrafters LLC
140 Aviation Way
Watsonville, CA
831-722-9141
831-750-0284 CL
www.AirCraftersLLC.com
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Kellym
Joined: 10 Jan 2006
Posts: 1705
Location: Sun Lakes AZ
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| Posted: Tue Jul 01, 2008 2:09 pm Post subject: Certified IO-360-A1B6 vs. Experimental XIO-360-A1B6 |
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I'd bet Lycoming is using the Precision "Silver Hawk" fuel injection
unit, which is their experimental version of the tried and true RSA
series of certified injection systems.
Compare Lycoming's price( or Van's price) against what the independent
shops assembling Lycoming kits charge:
Barrett Precision, AeroSport, Mattituck, etc. The latter shops I believe
can offer you choices on fuel and ignition systems that are not
available on the factory engine.
Kelly
Dave Saylor wrote:
[quote]
Matt,
Precision Airmotive gave a big lecture at the last IA seminar about the
difference between the certified injector and the experimental version:
the label and the price.
Even if Lyc is using an Airflow injector, which I doubt, I'd save the money
in a heartbeat (Airflow makes great systems too).
Dave Saylor
AirCrafters LLC
140 Aviation Way
Watsonville, CA
831-722-9141
831-750-0284 CL
www.AirCraftersLLC.com
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Kelly McMullen
A&P/IA, EAA Tech Counselor # 5286
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gcomfo(at)tc3net.com
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| Posted: Tue Jul 01, 2008 4:25 pm Post subject: Certified IO-360-A1B6 vs. Experimental XIO-360-A1B6 |
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n395v
Joined: 10 Jan 2006
Posts: 450
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| Posted: Wed Jul 02, 2008 4:33 am Post subject: Re: Certified IO-360-A1B6 vs. Experimental XIO-360-A1B6 |
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Lycoming is a big company and certainly has deep enough pockets to get the attention of trial Lawyers. Certified or not if ever there is an accident the ends up in court they will be held to the same standard as if it were a certfied engine. I am relativelypositive the engine is just as good if not better than certified.
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Rhonda(at)bpaengines.com
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| Posted: Wed Jul 02, 2008 5:51 am Post subject: Certified IO-360-A1B6 vs. Experimental XIO-360-A1B6 |
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Responses to this thread have been right on target, the Silverhawk
system is just like the RSA-5. The thing to keep in mind is that if you
get the certified or XIO engine from the factory, that's what you get --
an assembly line engine built at the factory with no options on
accessories (starter, fuel system, or ignition.) None of the extra
touches like balancing, port work, etc. will be done on the engine.
Cylinders will come straight out of the box and put on the engine. The
engine will be run on a test stand for around 30 minutes with no
information delivered to you about how the engine performed during test.
All of our customers get the dynamometer data with the engine, so you
know what the engine was doing during the initial 1.5 hours of test
time.
One of the biggest differences when you go with one of the quality
experimental kit shops is the follow up customer service. If you are at
installation and have a problem, someone who is familiar with your
engine and airframe is available to answer questions or help you trouble
shoot your problem. 10-15 hours in the air and you have questions about
CHT or oil temps, you call and we're there to help. You simply won't
get that personal level of service if you purchase a factory engine,
certified or otherwise.
On a personal note, Matt, if you are considering the -A1B6 for an
airframe, I would really encourage you to look at the -390. Same
footprint as the -A1B6, 10-15 additional hp with stock compression, 9
extra lbs. and about the same cost from us as the XIO-360-A1B6 from the
factory.
Rhonda Barrett-Bewley
Barrett Precision Engines, Inc.
2870-B N. Sheridan Rd.
Tulsa, OK 74115
(918) 835-1089 phone
(918) 835-1754 fax
www.barrettprecisionengines.com
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wgill10(at)comcast.net
Guest
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| Posted: Wed Jul 02, 2008 7:53 pm Post subject: Certified IO-360-A1B6 vs. Experimental XIO-360-A1B6 |
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Perfect response Rhonda!
I called BPA many times during the FWF process and flight testing and
spoke with Allen Barrett to get my questions answered. BPA even shipped
miscellaneous parts at premium shipping to supply needed
material/hardware. I can't say enough...they do what they say and they
are there for the customer...period! The 390 is a beast when it comes to
speed & power, yet extremely smooth. No regrets here and already
thinking about the next project and a BPA engine...HRII maybe.
Bill Gill
RV-7 N151WP IO-390
Lee's Summit, MO
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