The Murphy Builders Site

Posted: **Fri Feb 17, 2012 10:33 pm**

Hey Mike,

Maybe others would be interested in seeing how the last part of your
comments are derived.

<http://www.engineersedge.com/engine_for ... motive.htm>

Also, see that whole site, at: <http://www.engineersedge.com/>
It has stuff on LOTS of things, including a heck of as list about AN
and MS items. Be sure to hit the "more" button/link at the bottom of
the columns in the index/directory.

Take care.

Brian Lawson,
Windsor, Ontario.
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
On Sun, 03 Nov 2002 22:09:01 -0900, you wrote:

Many of you know that I'm already sold on the Subaru engines... here are a
couple of thoughts that have swayed me to these engines.

BIG SNIP HERE

Most of this can be attributed to the boxer design, that allows 7

main bearings in 12 inches. Also, when viewing the higher RPM, don't forget
that the RPM is not the important number, it's piston speed. Because of the
shorter stroke of these engines the Subaru's piston speed at 6500 RPM is only
about 7% higher than a Chevy 350 at 3800 RPM... and the piston mass is
considerably less. Finally, the proof in the pudding for me is the history
Subaru conversions are building every day in experimental aircraft. Just go
to Eggenfellner's web page some time and spend a couple of hours reading all
the customer testimonials!

Mike
195SR

On 11/3/02 9:35 PM, MURPHY-REBEL@DCSOL.COM wrote to MIKE DAVIS:

-> My feeling about the Subaru EJ-25 is that it shouldn't be pushed beyond
-> about 160 hp. However Subaru has a new 3.0-liter 6-cylinder engine that is
-> the same size and weight as the EJ-25. This is not the older 3.3-liter
-> 6-cylinder engine. The 3.0-liter engine could probably make an honest 180
-> hp in an airplane. In a few years there may be enough of them to see a few
-> conversions.

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Posted: **Fri Feb 17, 2012 10:33 pm**

Hi Brian,

I wish I had known about that web site when I was trying to figure this out
originally! I was able to find the bore/stroke for both engines on the web,
then I just used excell to figure out what the piston speed was. Just to make
it fun, the Chevy stroke was in inches, while the Subaru was in millimeters,
so I had to convert to a common measurement first... of course.

Mike
195SR

On 11/4/02 4:47 AM, MURPHY-REBEL@DCSOL.COM wrote to MIKE DAVIS:

-> Hey Mike,
->
-> Maybe others would be interested in seeing how the last part of your
-> comments are derived.
->
-> <http://www.engineersedge.com/engine_for ... motive.htm>
->
-> Also, see that whole site, at: <http://www.engineersedge.com/>
-> It has stuff on LOTS of things, including a heck of as list about AN
-> and MS items. Be sure to hit the "more" button/link at the bottom of
-> the columns in the index/directory.
->
-> Take care.
->
-> Brian Lawson,
-> Windsor, Ontario.

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The Murphy Builders Site

Engine Engineering was Re: Diesel engine option

Engine Engineering was Re: Diesel engine option

Engine Engineering was Re: Diesel engine option