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Dawley Aviation PIREP, or: Atlas is BACK



 
 
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  #1  
Old January 2nd 06, 03:09 PM posted to rec.aviation.owning
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Default Dawley Aviation PIREP, or: Atlas is BACK


"Matt Barrow" wrote in message
...

Jay is merely parroting the OWT and misinformation that has been running
around out there for _years_.

Jay quotes an expert in the field and you accuse him of parroting
misinformation? LOP is good when properly done, but I think the statement
from Dawley says it is NOT being properly done for the most part. The
company I work for overhauls 400+ aircraft engines a year. Our teardown
shop can tell you which ones have been ran LOP and which have not.

Allen


  #2  
Old January 2nd 06, 03:13 PM posted to rec.aviation.owning
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Default Dawley Aviation PIREP, or: Atlas is BACK

"A. Smith" wrote in message
. net...

"Matt Barrow" wrote in message
...

Jay is merely parroting the OWT and misinformation that has been running
around out there for _years_.

Jay quotes an expert in the field and you accuse him of parroting
misinformation?


And expert on...what?

LOP is good when properly done, but I think the statement from Dawley says
it is NOT being properly done for the most part. The company I work for
overhauls 400+ aircraft engines a year. Our teardown shop can tell you
which ones have been ran LOP and which have not.


Really? How?


  #3  
Old January 2nd 06, 03:30 PM posted to rec.aviation.owning
external usenet poster
 
Posts: n/a
Default Dawley Aviation PIREP, or: Atlas is BACK


"Matt Barrow" wrote in message
...
"A. Smith" wrote in message
. net...

"Matt Barrow" wrote in message
...

Jay is merely parroting the OWT and misinformation that has been running
around out there for _years_.

Jay quotes an expert in the field and you accuse him of parroting
misinformation?


And expert on...what?


An expert on repairing aircraft exhaust. Isn't that what Dawley does?

LOP is good when properly done, but I think the statement from Dawley
says it is NOT being properly done for the most part. The company I work
for overhauls 400+ aircraft engines a year. Our teardown shop can tell
you which ones have been ran LOP and which have not.


Really? How?


I suggest that if you are really interested in this you get with Lycoming or
TCM and see what they suggest for your engine. There are only a handful of
engines that were designed to be ran LOP.


  #4  
Old January 2nd 06, 03:53 PM posted to rec.aviation.owning
external usenet poster
 
Posts: n/a
Default Dawley Aviation PIREP, or: Atlas is BACK

A. Smith wrote:

"Matt Barrow" wrote in message
...

"A. Smith" wrote in message
y.net...

"Matt Barrow" wrote in message
...

Jay is merely parroting the OWT and misinformation that has been running
around out there for _years_.


Jay quotes an expert in the field and you accuse him of parroting
misinformation?


And expert on...what?



An expert on repairing aircraft exhaust. Isn't that what Dawley does?

LOP is good when properly done, but I think the statement from Dawley
says it is NOT being properly done for the most part. The company I work
for overhauls 400+ aircraft engines a year. Our teardown shop can tell
you which ones have been ran LOP and which have not.


Really? How?



I suggest that if you are really interested in this you get with Lycoming or
TCM and see what they suggest for your engine. There are only a handful of
engines that were designed to be ran LOP.


How do you design an engine to run LOP?


Matt
  #5  
Old January 2nd 06, 11:43 PM posted to rec.aviation.owning
external usenet poster
 
Posts: n/a
Default Dawley Aviation PIREP, or: Atlas is BACK


"Matt Whiting" wrote in message
...

How do you design an engine to run LOP?


Matt


Compression ratio, cumbustion chamber shape, valve placement, valve
material, crankshaft counterweight design...............................





  #6  
Old January 3rd 06, 12:25 AM posted to rec.aviation.owning
external usenet poster
 
Posts: n/a
Default Dawley Aviation PIREP, or: Atlas is BACK

A. Smith wrote:
"Matt Whiting" wrote in message
...

How do you design an engine to run LOP?


Matt



Compression ratio, cumbustion chamber shape, valve placement, valve
material, crankshaft counterweight design...............................


Example?

Matt
  #7  
Old January 3rd 06, 01:40 AM posted to rec.aviation.owning
external usenet poster
 
Posts: n/a
Default Dawley Aviation PIREP, or: Atlas is BACK

How do you design an engine to run LOP?

Compression ratio, cumbustion chamber shape, valve placement, valve
material, crankshaft counterweight design...............................


Example?


The original Continental in the original Malibu.
  #8  
Old January 3rd 06, 01:52 PM posted to rec.aviation.owning
external usenet poster
 
Posts: n/a
Default Dawley Aviation PIREP, or: Atlas is BACK


"Matt Whiting" wrote in message
...
A. Smith wrote:

Really? How?



I suggest that if you are really interested in this you get with Lycoming
or TCM and see what they suggest for your engine. There are only a
handful of engines that were designed to be ran LOP.


How do you design an engine to run LOP?


So much for "expertise".


--
Matt
---------------------
Matthew W. Barrow
Site-Fill Homes, LLC.
Montrose, CO



  #9  
Old January 2nd 06, 03:52 PM posted to rec.aviation.owning
external usenet poster
 
Posts: n/a
Default Dawley Aviation PIREP, or: Atlas is BACK

A. Smith wrote:
"Matt Barrow" wrote in message
...

Jay is merely parroting the OWT and misinformation that has been running
around out there for _years_.


Jay quotes an expert in the field and you accuse him of parroting
misinformation? LOP is good when properly done, but I think the statement
from Dawley says it is NOT being properly done for the most part. The
company I work for overhauls 400+ aircraft engines a year. Our teardown
shop can tell you which ones have been ran LOP and which have not.


I think the point is that it is the temperatue seen by the exhaust pipe
that matters, not whether it is LOP or ROP. And the temps mentioned by
Mr. Dawley sound more like runnint at peak, rather than either side.
People seem to automatically blame running on the lead side and that
simply isn't supported by the data. It is an old wives tale pure and
simple.


Matt
  #10  
Old January 2nd 06, 11:43 PM posted to rec.aviation.owning
external usenet poster
 
Posts: n/a
Default Dawley Aviation PIREP, or: Atlas is BACK


"Matt Whiting" wrote in message
...
A. Smith wrote:
"Matt Barrow" wrote in message
...

Jay is merely parroting the OWT and misinformation that has been running
around out there for _years_.


Jay quotes an expert in the field and you accuse him of parroting
misinformation? LOP is good when properly done, but I think the
statement from Dawley says it is NOT being properly done for the most
part. The company I work for overhauls 400+ aircraft engines a year.
Our teardown shop can tell you which ones have been ran LOP and which
have not.


I think the point is that it is the temperatue seen by the exhaust pipe
that matters, not whether it is LOP or ROP. And the temps mentioned by
Mr. Dawley sound more like runnint at peak, rather than either side.
People seem to automatically blame running on the lead side and that
simply isn't supported by the data. It is an old wives tale pure and
simple.


Matt


Which is my point, people think they know how to run LOP but actually are
running at peak, causing damage. The guy at Dawley didn't say running LOP
did the damage, just that when the LOP operation began being pushed is when
the damage started showing up.

Allen


 




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