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Engine limts

 
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flysrv10(at)gmail.com
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PostPosted: Sun May 21, 2006 3:41 pm    Post subject: Engine limts Reply with quote
I wonder if someone could send me the engine operating limits (RPM,
Oil Press, Temp, etc.) for for an IO540 A4D5? Thanks.

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armywrights(at)adelphia.n
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PostPosted: Sun May 21, 2006 5:45 pm    Post subject: Engine limts Reply with quote
Before I go digging, want to make sure you want the A4D5, not the
recommended D4A5.

Rob Wright

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flysrv10(at)gmail.com
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PostPosted: Mon May 22, 2006 2:41 am    Post subject: Engine limts Reply with quote
Good catch Robert! I want the recommended D4A5 data. I really appreciate it.

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On 5/21/06, Robert G. Wright <armywrights(at)adelphia.net> wrote:
[quote]

Before I go digging, want to make sure you want the A4D5, not the
recommended D4A5.

Rob Wright

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armywrights(at)adelphia.n
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PostPosted: Mon May 22, 2006 8:15 pm    Post subject: Engine limts Reply with quote
From http://rvimg.com/tcds/ lycoming-io-540.pdf:
 
 
Oil:------------ - --------------------Maximum -----Minimum
Normal operation ---------------------95 p.s.i. ---55 p.s.i.
Idling ------------------------- --------# ---------25 p.s.i.
Starting, warm-up, Taxi and Take off: 115 p.s.i. -----#
"#" indicates does not apply
 
IO-540-D4A5--- p.s.i. at inlet to fuel injector ----Max. Injector
----------- Maximum ---Minimum --Minimum Idle----- -in Idle cutoff
 
------------- 45 ---------14 ---------12 ----------------55
 
 </ o:p>
II. MODELS: IO-540-
IO-540
-D4A5,
-
-D4B5,
-
-D4C5,
-N1A5,
-
-R1A5,
-
-D4A5
-
-
AEIO-540-
-
-D4A5,
-
-D4B5,
-
-D4C5
-
-D4D5
Type
- -
Rating
260-2700
Takeoff and maximum continuous
 
hp., rpm, full throttle at:
 
sea level pressure altitude
 
 </ o:p>
NOTE 1. Temperature Limits (Maximum permissible):
Cylinder head (well type thermocouple) 500°F
Cylinder base 325°F Cylinder base temperature limits are not applicable to engine models which
incorporate internal piston cooling oil jets.
Oil inlet 245°F
 </ o:p>
 </ o:p>
NOTE 9. For all models - ignition and center of gravity:
C.G. location (dry with starter and generator installed)
Models
------------------ Ignition, dual* +
From front face of
propeller mounting
flange (in.)
Off prop. shaft C.L. (in.)
Vertical----------- -Lateral
IO-540
 
 
 
 
 
-D4A5
TCM S6LN-200, S6LN-204
-------------------- ----- 18.16
1.15 below
0.21 left
 </ o:p>
 </ o:p>
I couldn’t find a good source for a parallel valve engine, but Lycoming shows that for a K series (300 HP) motor, oil temps should be between 165F and 220F, whatever the Celsius equivalent is.
 
Hopefully that will get you started.
 
Rob Wright
 
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flysrv10(at)gmail.com
Guest
PostPosted: Tue May 23, 2006 2:44 am    Post subject: Engine limts Reply with quote
Thank you Robert. This will do fine.

Do not archive.

On 5/23/06, Robert G. Wright <armywrights(at)adelphia.net> wrote:
[quote]

From http://rvimg.com/tcds/ lycoming-io-540.pdf:

Oil:------------ - --------------------Maximum -----Minimum

Normal operation ---------------------95 p.s.i. ---55 p.s.i.

Idling ------------------------- --------# ---------25 p.s.i.

Starting, warm-up, Taxi and Take off: 115 p.s.i. -----#

"#" indicates does not apply

IO-540-D4A5--- p.s.i. at inlet to fuel injector ----Max. Injector

----------- Maximum ---Minimum --Minimum Idle----- -in Idle cutoff

------------- 45 ---------14 ---------12 ----------------55
II. MODELS: IO-540-

IO-540

-D4A5,
-

-D4B5,
-

-D4C5,

-N1A5,
-

-R1A5,
-

-D4A5
-

-

AEIO-540-
-

-D4A5,
-

-D4B5,
-

-D4C5
-

-D4D5
Type

- -
Rating

260-2700
Takeoff and maximum continuous


hp., rpm, full throttle at:


sea level pressure altitude

NOTE 1. Temperature Limits (Maximum permissible):

Cylinder head (well type thermocouple) 500�F

Cylinder base 325�F Cylinder base temperature limits are not applicable to
engine models which

incorporate internal piston cooling oil jets.

Oil inlet 245�F

NOTE 9. For all models - ignition and center of gravity:
C.G. location (dry with starter and generator installed)
Models

------------------ Ignition, dual* +

From front face of

propeller mounting

flange (in.)

Off prop. shaft C.L. (in.)

Vertical----------- -Lateral
IO-540


-D4A5

TCM S6LN-200, S6LN-204

-------------------- ----- 18.16

1.15 below

0.21 left
I couldn't find a good source for a parallel valve engine, but Lycoming
shows that for a K series (300 HP) motor, oil temps should be between 165F
and 220F, whatever the Celsius equivalent is.

Hopefully that will get you started.

Rob Wright

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