Today's Message Index:
----------------------
1. 09:38 AM - Superior vs. Lycoming; XP-400 vs. IO-390 (Matt Dralle)
2. 09:48 AM - Re: Superior vs. Lycoming; XP-400 vs. IO-390 (Monty Barrett Sr)
3. 10:03 AM - Re: Superior vs. Lycoming; XP-400 vs. IO-390 (Matt Dralle)
4. 12:56 PM - Re: Superior vs. Lycoming; XP-400 vs. IO-390 (Monty Barrett Sr)
5. 01:34 PM - Re: Superior vs. Lycoming; XP-400 vs. IO-390 (Greg Young)
Message 1
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| Subject: | Superior vs. Lycoming; XP-400 vs. IO-390 |
Dear Listers,
What is the common opinion of Superior XP engines vs. the typical Lycoming engine?
In looking over the Superior web site, they have a new 220hp XP-400 engine designed
around the basic IO-360 Angle Valve chassis that looks pretty nice. At $30,000
new, its $3-4k cheaper than the Lycoming IO-390 solutions and, if you believe
the Superior mantra, a better designed engine in general.
What is the real-world quality and reliability of Superior-built engines?
Has anyone flown behind one of these new XP-400s?
Has anyone Dyno'd the XP-400 to prove the 220hp claim?
XP-400 Information: http://www.xp-360.com/index.asp?content=14
Avweb Article: http://www.avweb.com/news/motorhead/189629-1.html?type=pf
Thanks for your insight!
Matt Dralle
RV-8 # 82880
Message 2
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| Subject: | Superior vs. Lycoming; XP-400 vs. IO-390 |
BPE has dyno tested the XP-400 engine.
Monty Barrett
BPE, Inc.
-----Original Message-----
From: owner-engines-list-server@matronics.com
[mailto:owner-engines-list-server@matronics.com] On Behalf Of Matt
Dralle
Sent: Tuesday, July 22, 2008 10:36 AM
Subject: Engines-List: Superior vs. Lycoming; XP-400 vs. IO-390
Dear Listers,
What is the common opinion of Superior XP engines vs. the typical
Lycoming engine?
In looking over the Superior web site, they have a new 220hp XP-400
engine designed around the basic IO-360 Angle Valve chassis that looks
pretty nice. At $30,000 new, its $3-4k cheaper than the Lycoming IO-390
solutions and, if you believe the Superior mantra, a better designed
engine in general.
What is the real-world quality and reliability of Superior-built
engines?
Has anyone flown behind one of these new XP-400s?
Has anyone Dyno'd the XP-400 to prove the 220hp claim?
XP-400 Information: http://www.xp-360.com/index.asp?content=14
Avweb Article:
http://www.avweb.com/news/motorhead/189629-1.html?type=pf
Thanks for your insight!
Matt Dralle
RV-8 # 82880
Message 3
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| Subject: | Superior vs. Lycoming; XP-400 vs. IO-390 |
Hi Monty,
Well, that's cool. Please share the results!
Matt
At 09:49 AM 7/22/2008 Tuesday, you wrote:
>
>BPE has dyno tested the XP-400 engine.
>
>Monty Barrett
>BPE, Inc.
>
>-----Original Message-----
>From: owner-engines-list-server@matronics.com
>[mailto:owner-engines-list-server@matronics.com] On Behalf Of Matt
>Dralle
>Sent: Tuesday, July 22, 2008 10:36 AM
>To: engines-list@matronics.com
>Subject: Engines-List: Superior vs. Lycoming; XP-400 vs. IO-390
>
>
>
>Dear Listers,
>
>What is the common opinion of Superior XP engines vs. the typical
>Lycoming engine?
>
>In looking over the Superior web site, they have a new 220hp XP-400
>engine designed around the basic IO-360 Angle Valve chassis that looks
>pretty nice. At $30,000 new, its $3-4k cheaper than the Lycoming IO-390
>solutions and, if you believe the Superior mantra, a better designed
>engine in general.
>
>What is the real-world quality and reliability of Superior-built
>engines?
>
>Has anyone flown behind one of these new XP-400s?
>
>Has anyone Dyno'd the XP-400 to prove the 220hp claim?
>
> XP-400 Information: http://www.xp-360.com/index.asp?content=14
>
> Avweb Article:
>http://www.avweb.com/news/motorhead/189629-1.html?type=pf
>
>Thanks for your insight!
>
>Matt Dralle
>RV-8 # 82880
>
>
Matt G Dralle | Matronics | PO Box 347 | Livermore | CA | 94551
925-606-1001 V | 925-606-6281 F | dralle@matronics.com Email
http://www.matronics.com/ WWW | Featuring Products For Aircraft
Message 4
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| Subject: | Superior vs. Lycoming; XP-400 vs. IO-390 |
Matt,The data is proprietary and is not mine to share. The engine is
still here for further testing and development. All I can tell you
about it is that the HP is close, but not close enough. We ran a WOT-
RPM - BHP curve, a prop load curve, and a mixture sweep with 2 different
injection systems.
The bore and stroke is 5 1/4 X 4 5/8 respectively. The compression
ratio is
8.5:1. The engineer who was working on that with SAP is no longer
there.
MB
-----Original Message-----
From: owner-engines-list-server@matronics.com
[mailto:owner-engines-list-server@matronics.com] On Behalf Of Matt
Dralle
Sent: Tuesday, July 22, 2008 11:00 AM
Subject: RE: Engines-List: Superior vs. Lycoming; XP-400 vs. IO-390
Hi Monty,
Well, that's cool. Please share the results!
Matt
At 09:49 AM 7/22/2008 Tuesday, you wrote:
<MONTY@BPAENGINES.COM>
>
>BPE has dyno tested the XP-400 engine.
>
>Monty Barrett
>BPE, Inc.
>
>-----Original Message-----
>From: owner-engines-list-server@matronics.com
>[mailto:owner-engines-list-server@matronics.com] On Behalf Of Matt
>Dralle
>Sent: Tuesday, July 22, 2008 10:36 AM
>To: engines-list@matronics.com
>Subject: Engines-List: Superior vs. Lycoming; XP-400 vs. IO-390
>
>
>
>Dear Listers,
>
>What is the common opinion of Superior XP engines vs. the typical
>Lycoming engine?
>
>In looking over the Superior web site, they have a new 220hp XP-400
>engine designed around the basic IO-360 Angle Valve chassis that looks
>pretty nice. At $30,000 new, its $3-4k cheaper than the Lycoming
IO-390
>solutions and, if you believe the Superior mantra, a better designed
>engine in general.
>
>What is the real-world quality and reliability of Superior-built
>engines?
>
>Has anyone flown behind one of these new XP-400s?
>
>Has anyone Dyno'd the XP-400 to prove the 220hp claim?
>
> XP-400 Information: http://www.xp-360.com/index.asp?content=14
>
> Avweb Article:
>http://www.avweb.com/news/motorhead/189629-1.html?type=pf
>
>Thanks for your insight!
>
>Matt Dralle
>RV-8 # 82880
>
>
Matt G Dralle | Matronics | PO Box 347 | Livermore | CA | 94551
925-606-1001 V | 925-606-6281 F | dralle@matronics.com Email
http://www.matronics.com/ WWW | Featuring Products For Aircraft
Message 5
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| Subject: | Re: Superior vs. Lycoming; XP-400 vs. IO-390 |
The SAP site specs now show 220hp but at 8.7/1. Would that close the "not close
enough" gap?
Greg
Sent via BlackBerry from T-Mobile
-----Original Message-----
From: "Monty Barrett Sr" <MONTY@bpaengines.com>
Subject: RE: Engines-List: Superior vs. Lycoming; XP-400 vs. IO-390
Matt,The data is proprietary and is not mine to share. The engine is
still here for further testing and development. All I can tell you
about it is that the HP is close, but not close enough. We ran a WOT-
RPM - BHP curve, a prop load curve, and a mixture sweep with 2 different
injection systems.
The bore and stroke is 5 1/4 X 4 5/8 respectively. The compression
ratio is
8.5:1. The engineer who was working on that with SAP is no longer
there.
MB
-----Original Message-----
From: owner-engines-list-server@matronics.com
[mailto:owner-engines-list-server@matronics.com] On Behalf Of Matt
Dralle
Sent: Tuesday, July 22, 2008 11:00 AM
Subject: RE: Engines-List: Superior vs. Lycoming; XP-400 vs. IO-390
Hi Monty,
Well, that's cool. Please share the results!
Matt
At 09:49 AM 7/22/2008 Tuesday, you wrote:
<MONTY@BPAENGINES.COM>
>
>BPE has dyno tested the XP-400 engine.
>
>Monty Barrett
>BPE, Inc.
>
>-----Original Message-----
>From: owner-engines-list-server@matronics.com
>[mailto:owner-engines-list-server@matronics.com] On Behalf Of Matt
>Dralle
>Sent: Tuesday, July 22, 2008 10:36 AM
>To: engines-list@matronics.com
>Subject: Engines-List: Superior vs. Lycoming; XP-400 vs. IO-390
>
>
>
>Dear Listers,
>
>What is the common opinion of Superior XP engines vs. the typical
>Lycoming engine?
>
>In looking over the Superior web site, they have a new 220hp XP-400
>engine designed around the basic IO-360 Angle Valve chassis that looks
>pretty nice. At $30,000 new, its $3-4k cheaper than the Lycoming
IO-390
>solutions and, if you believe the Superior mantra, a better designed
>engine in general.
>
>What is the real-world quality and reliability of Superior-built
>engines?
>
>Has anyone flown behind one of these new XP-400s?
>
>Has anyone Dyno'd the XP-400 to prove the 220hp claim?
>
> XP-400 Information: http://www.xp-360.com/index.asp?content=14
>
> Avweb Article:
>http://www.avweb.com/news/motorhead/189629-1.html?type=pf
>
>Thanks for your insight!
>
>Matt Dralle
>RV-8 # 82880
>
>
Matt G Dralle | Matronics | PO Box 347 | Livermore | CA | 94551
925-606-1001 V | 925-606-6281 F | dralle@matronics.com Email
http://www.matronics.com/ WWW | Featuring Products For Aircraft
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