NOTE:
____
NO
SHARP
CORNERS
AFTER
BLENDING,
MINIMUM
BLEND RADII
IS
0.5
INCH
(12.7
mm)
RADIUS
DIMENSIONS
ARE
IN
INCHES
(MILLIMETERS
ARE
IN
PARENTHESIS).
DIMENSION
A
DIMENSION
B
STAGE
1
ONLY
2.00
(50.80)
0.75
(19.10)
DIMENSION
B
DIMENSION
A
TIP
CHORD
LOCATION
C
LEADING
EDGE
TIP
CURL
AREA
A
AREA
B
SEPARATION
LINE
TRAILING
EDGE
BLADE
TIP
1.
THE
MATERIAL
MISSING
FROM
THE
BLADE
TIP
CORNER
MUST HAVE
A
SEPARATION
LINE THAT RUNS FROM
THE
BLADE
TIP
TO
THE
LEADING
OR
TRAILING
EDGE.
2.
THE
MISSING
CORNER
MAY
BE
ANY
SHAPE
FOR
AREA
A
WHERE
DIMENSION
A
IS
LESS THAN
OR
EQUAL
TO
1/4 THE
BLADE
TIP
CHORD
LENGTH.
AND,
DIMENSION
B
IS
LESS THAN
1/2
OF
THE
BLADE
TIP
CHORD
LENGTH
(SEE
BLADE
TIP
CORNER
FIGURES
BY
STAGE
FOR
EXACT
DIMENSIONS).
3.
THE
MISSING
CORNER
MAY
EXTEND
INTO AREA
B
PROVIDED
THE
SEPARATION
LINE
IS
A
SMOOTH
CURVE
(NO
NOTCHES
OR
CUSPS) EXCEPT
AT
THE
LEADING
OR
TRAILING
EDGE
WHERE
A
TENSILE
CUSP
IS
PERMITTED
AT
LOCATION
C.
REFER
TO
THE
FOLLOWING
FIGURES
FOR
DIMENSIONS
BY
STAGE
EXAMPLE
OF
TENSILE
CUSPS
FOR
LOCATION
C
AREA
C
BLENDING
ALLOWED
LEGEND:
______
1257240-00-B
1862109 S00061423076_V2
STAGE 1 HPC Blade Blend Limits
Figure 809/72-35-00-990-817-G00 (Sheet 3 of 4)
767
AIRCRAFT MAINTENANCE MANUAL
CF6-80A SERIES ENGINES
72-35-00
NoC
Page 833
D633T1B7 Aug 22/2017
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
ABX 001-007, 011, 012, 016-019, 021, 022, 025, 101,
109, 114, 115, 314-999
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