The Murphy Builders Site

What do you mean, Rick--engine location--as in offset (?) for straight
flight (i.e. smaller/no rudder trim tab needed in cruise)?

I don't recall ever seeing any document from Murphy re engine stuff.

Ted

-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com] On Behalf Of Rick
Muller
Sent: Sunday, October 30, 2011 2:10 PM
To: rebel-builders@dcsol.com
Subject: [rebel-builders] Engine Location

I recall that Murphy published a document that identifies the engine
location for the Moose/SR2500. I looked through the files section without
luck. Does anyone have this document?

--
Rick Muller
Rick.H.Muller@gmail.com
303 641 6623




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I saw the name on the string--_engine location_--and I knew the answer
right away

"on the front"


Karl Hipp



On 10/30/2011 2:18 PM, Ted Waltman wrote:

What do you mean, Rick--engine location--as in offset (?) for straight
flight (i.e. smaller/no rudder trim tab needed in cruise)?

I don't recall ever seeing any document from Murphy re engine stuff.

Ted

-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com] On Behalf Of Rick
Muller
Sent: Sunday, October 30, 2011 2:10 PM
To: rebel-builders@dcsol.com
Subject: [rebel-builders] Engine Location

I recall that Murphy published a document that identifies the engine
location for the Moose/SR2500. I looked through the files section without
luck. Does anyone have this document?

--
Rick Muller
Rick.H.Muller@gmail.com
303 641 6623




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Rick,
Do you mean for weight and balance purposes?
Jerry Folkerts
SR #093

www.mykitlog.com/jfolkerts/


-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com] On Behalf Of Rick
Muller
Sent: Sunday, October 30, 2011 3:10 PM
To: rebel-builders@dcsol.com
Subject: [rebel-builders] Engine Location

I recall that Murphy published a document that identifies the engine
location for the Moose/SR2500. I looked through the files section without
luck. Does anyone have this document?

--
Rick Muller
Rick.H.Muller@gmail.com
303 641 6623




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On 31/10/2011 10:38 AM, karl hipp wrote:

I saw the name on the string--_engine location_--and I knew the answer
right away

"on the front"


Karl Hipp

Hey Karl, are sure you are not an Aussie, or did you just visit down
here?<Grin>
Rebel804 downunder





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I have been to OZ to visit with US pilot friends in the International
Comanche Society. --We had a convention on Hamilton Island a few years
ago with our Aussie members. --and yeah-- a silly/crazy streak seemed a
common trait among the blokes I met --not a mug or bludger in the
bunch--and the Sheila and I have a few cobbers as a result of the trip.

Karl Hipp




On 10/31/2011 2:34 AM, gleeso1 wrote:

On 31/10/2011 10:38 AM, karl hipp wrote:

I saw the name on the string--_engine location_--and I knew the answer
right away

"on the front"


Karl Hipp

Hey Karl, are sure you are not an Aussie, or did you just visit down
here?<Grin>
Rebel804 downunder





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On 31/10/2011 8:48 PM, karl hipp wrote:

I have been to OZ to visit with US pilot friends in the International
Comanche Society. --We had a convention on Hamilton Island a few years
ago with our Aussie members. --and yeah-- a silly/crazy streak seemed a
common trait among the blokes I met --not a mug or bludger in the
bunch--and the Sheila and I have a few cobbers as a result of the trip.

Karl Hipp

Goodonya Mate, you'll do me, never mind these intelligent people. ;-)

I can think of worse places than Hamilton Island
Regards
John.
(while they are laughing at me, think of all the others they are leaving
alone) :-)

On 10/31/2011 2:34 AM, gleeso1 wrote:

On 31/10/2011 10:38 AM, karl hipp wrote:

I saw the name on the string--_engine location_--and I knew the answer
right away

"on the front"


Karl Hipp

Hey Karl, are sure you are not an Aussie, or did you just visit down
here?<Grin>
Rebel804 downunder

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It was a document that identified the location of the line of thrust
relative to the engine mounting holes along with where prop was relative to
the firewall. While I have everone's ear. I think it was intention was
for a Continental or Lycoming engine. So if you are using a different
engine there is the obvious CG of the engine that impacts weight and
balance. If the plain of the prop moves forward or aft 5" what is the
impact on performance?

Rick Muller
SR70

On Sun, Oct 30, 2011 at 2:18 PM, Ted Waltman <ted@vafm.org> wrote:

What do you mean, Rick--engine location--as in offset (?) for straight
flight (i.e. smaller/no rudder trim tab needed in cruise)?

I don't recall ever seeing any document from Murphy re engine stuff.

Ted

-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com] On Behalf Of Rick
Muller
Sent: Sunday, October 30, 2011 2:10 PM
To: rebel-builders@dcsol.com
Subject: [rebel-builders] Engine Location

I recall that Murphy published a document that identifies the engine
location for the Moose/SR2500. I looked through the files section without
luck. Does anyone have this document?

--
Rick Muller
Rick.H.Muller@gmail.com
303 641 6623




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--
Rick Muller
Rick.H.Muller@gmail.com
303 641 6623




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I remember the one page drawing and will go thru my files and post it if I can locate it.
Tom Packard
SR 043



________________________________
From: Rick Muller <rick.h.muller@gmail.com>
To: rebel-builders@dcsol.com
Sent: Monday, October 31, 2011 8:59 AM
Subject: Re: [rebel-builders] Engine Location

It was a document that identified the location of the line of thrust
relative to the engine mounting holes along with where prop was relative to
the firewall.

Rick,

I believe there is no engine offset for the SR/Moose using the MAM engine mount. It might be different for the Rebel, or maybe I'm thinking of the vertical stabilizer offset for the Rebel. But for the SR I believe there is zero offset for both. I'm using an IO-540 with the MAM engine mount so I have a near stock setup insofar as the MAM C of G diagram.

Tim

----- Original Message -----
From: Rick Muller
To: Tim Saxton
Sent: Monday, October 31, 2011 7:05 AM
Subject: Re: [rebel-builders] Engine Location


Tim,
Thanks, this is the diagram I was looking for, appreciate you finding it and sending it along. I recall that there was also some discussion around this about a 1.5 degree off-set. If memory serves me well the line of thrust was to be 1.5 degrees right (?) of the center line of the airframe. Does anyone recall or is this my imagination?





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