Sideways engine?

[Woodward James R Civ 412 TW/DRP]

I think Ron Ellis flew Sam Turners first Saturn with the ST2300 positioned
at the 07:30 spot, and original muffler down the center.  

Jim W.

 

-----Original Message-----
From: John Ferrell [mailto:johnferrell at earthlink.net] 
Sent: Tuesday, January 13, 2004 11:19 AM
To: discussion at nsrca.org
Subject: Re: Sideways engine?

 

That makes sense to me. I am really surprised that the question did not get
a bigger response though. 

I am way too lazy to conduct any testing on my own. I probably lack the
skill necessary to discern the difference any way.

 

John Ferrell
6241 Phillippi Rd
Julian NC 27283
Phone: (336)685-9606
johnferrell at earthlink.net <mailto:johnferrell at earthlink.net> 
http://DixieNC.US <http://DixieNC.US> 
NSRCA 479 AMA 4190  W8CCW
"My Competition is Not My Enemy"

----- Original Message ----- 

From: george kennie <mailto:geobet at gis.net>  

To: discussion at nsrca.org <mailto:discussion at nsrca.org>  

Sent: Tuesday, January 13, 2004 1:30 PM

Subject: Re: Sideways engine?

 

John, 
I'm not sure if I'm right on this, but I think that I would like to have all
that Mass(bulk & weight of the engine head) located on the centerline of the
aircraft.I think that all that off-center mass could produce some unexpected
and unwanted effects during snap type maneuvers(and probably others) where
radical changes in aircraft speed differentials might magnify the off-center
forces in a detrimental way causing exagerated pitch and roll responces
making control during certain maneuvers difficult to compensate for. I don't
have any empirical data to back any of this up, but it just doesn't feel
right to me. 
Georgie 

John Ferrell wrote: 

>From Eric's recent post on another topic:Mounts his engine sideways> Uses a
more regular header etc.I have forgotten what the advantages are to inverted
engine mounting. Like the matter of retracts which seems to have become a
personal choice, I wonder if it really matters to the flying
characteristics. An engine on its side is more tolerant of flooding, easier
the plumb the exhaust, easier to connect/disconnect the glow plug. I expect
that it would spin & snap differently depending on direction, but that seems
to be the norm with the engine inverted too.  John Ferrell 
6241 Phillippi Rd 
Julian NC 27283 
Phone: (336)685-9606 
johnferrell at earthlink.net <mailto:johnferrell at earthlink.net>  
http://DixieNC.US <http://DixieNC.US>  
NSRCA 479 AMA 4190  W8CCW 
"My Competition is Not My Enemy"

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