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Fuel tank

Subject: Fuel tank
From: Gramin@aol.com
Date: Wed, 9 Jul 1997 17:56:03

I am trying to calculate the capacity of the fuel tank at various levels to
compare with  the sight gauge readings.  But it is very difficult to get good
dimensions when it is buried in the aeroplane.

So anyone got an original tank not yet installed  ? If so perhaps they would
download the dxf. that is attached, and annotate it with the required
dimensions more accurately than I have been able to do.  (its only 7k).

At the moment I only get 70 ltrs max. or so but it's supposed to be over 80.
Unfortunately the factory doesn't have a drawing -

Graham C.

        name="FUELTANK.DXF"

0
SECTION
2
HEADER
9
$LTSCALE
40
0.5
9
$LIMMIN
10
-30
20
-2
9
$LIMMAX
10
60
20
30
9
$EXTMIN
10
-19
20
0
9
$EXTMAX
10
66.5
20
24.6
9
$SNAPMODE
70
1
9
$SNAPUNIT
10
0.5
20
0.5
9
$GRIDMODE
70
1
9
$GRIDUNIT
10
1
20
1
9
$ORTHOMODE
70
0
9
$TEXTSTYLE
7
txt
9
$CLAYER
8
1
9
$CECOLOR
62
7
9
$CELTYPE
6
DASHED
9
$PLINEWID
40
0
9
$OSMODE
70
0
9
$FILLMODE
70
0
9
$CHAMFERA
40
0.5
9
$CHAMFERB
40
0.5
9
$COORDS
70
1
9
$FILLETRAD
40
0.5
9
$INSBASE
10
0
20
0
9
$SPLFRAME
70
0
9
$SPLINESEGS
70
8
0
ENDSEC
0
SECTION
2
TABLES
0
TABLE
2
LTYPE
70
9
0
LTYPE
2
DASHED
70
0
3
__ __ __ __ __ __ __ __ __ __ __ __ __ __ __
72
65
73
2
40
0.75
49
0.5
49
-0.25
0
LTYPE
2
HIDDEN
70
0
3
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
72
65
73
2
40
0.25
49
0.125
49
-0.125
0
LTYPE
2
CENTER
70
0
3
____ _ ____ _ ____ _ ____ _ ____ _ ____ _ __
72
65
73
4
40
2
49
1.25
49
-0.25
49
0.25
49
-0.25
0
LTYPE
2
PHANTOM
70
0
3
_____ _ _ _____ _ _ _____ _ _ _____ _ _ ____
72
65
73
6
40
2.5
49
1.25
49
-0.25
49
0.25
49
-0.25
49
0.25
49
-0.25
0
LTYPE
2
DOT
70
0
3
=2E...........................................
72
65
73
2
40
0.25
49
0
49
-0.25
0
LTYPE
2
DASHDOT
70
0
3
__ . __ . __ . __ . __ . __ . __ . __ . __ .
72
65
73
4
40
1
49
0.5
49
-0.25
49
0
49
-0.25
0
LTYPE
2
BORDER
70
0
3
__ __ . __ __ . __ __ . __ __ . __ __ . __ _
72
65
73
6
40
1.75
49
0.5
49
-0.25
49
0.5
49
-0.25
49
0
49
-0.25
0
LTYPE
2
DIVIDE
70
0
3
__ . . __ . . __ . . __ . . __ . . __ . . __
72
65
73
6
40
1.25
49
0.5
49
-0.25
49
0
49
-0.25
49
0
49
-0.25
0
LTYPE
2
DOTS
70
0
3
close
72
65
73
2
40
0.1
49
0.05
49
-0.05
0
ENDTAB
0
TABLE
2
STYLE
70
1
0
STYLE
2
STANDARD
70
0
40
0
41
1
50
0
71
0
42
0
3
txt
4
=0D
0
ENDTAB
0
TABLE
2
LAYER
70
10
0
LAYER
2
1
70
0
62
7
6
CONTINUOUS
0
LAYER
2
2
70
0
62
7
6
CONTINUOUS
0
LAYER
2
3
70
0
62
7
6
CONTINUOUS
0
LAYER
2
4
70
0
62
7
6
CONTINUOUS
0
LAYER
2
5
70
0
62
7
6
CONTINUOUS
0
LAYER
2
6
70
0
62
7
6
CONTINUOUS
0
LAYER
2
7
70
0
62
7
6
CONTINUOUS
0
LAYER
2
8
70
0
62
7
6
CONTINUOUS
0
LAYER
2
9
70
0
62
7
6
CONTINUOUS
0
LAYER
2
10
70
0
62
7
6
CONTINUOUS
0
ENDTAB
0
ENDSEC
0
SECTION
2
ENTITIES
0
LINE
8
1
62
7
6
DASHED
10
-19
20
11.5
11
19
21
11.5
0
TEXT
8
1
62
7
6
DASHED
40
0.6
1
5.018 ltr.
7
STANDARD
72
0
10
62
20
16
0
TEXT
8
1
62
7
6
DASHED
40
0.6
1
28.82 ltr
7
STANDARD
72
0
10
62
20
13.5
0
TEXT
8
1
62
7
6
DASHED
40
0.6
1
17.68 ltr
7
STANDARD
72
0
10
62
20
3.5
0
TEXT
8
1
62
7
6
DASHED
40
0.6
1
TOTAL 67 ltrs.
7
STANDARD
72
0
10
55
20
24
0
TEXT
8
1
62
7
6
DASHED
40
0.5
1
VOLUMES
7
STANDARD
72
0
10
62
20
18
0
TEXT
8
1
62
7
6
DASHED
40
0.6
1
15.42 ltr
7
STANDARD
72
0
10
62
20
8.5
0
TEXT
8
1
62
7
6
DASHED
40
0.6
1
RESERVE 8.85 ltrs
7
STANDARD
72
0
10
55
20
22
0
POLYLINE
8
1
62
7
70
0
66
1
40
0
41
0
0
VERTEX
8
1
10
19
20
6
0
VERTEX
8
1
10
19
20
15.5
0
VERTEX
8
1
10
0
20
15.5
0
SEQEND
8
1
0
ARC
8
1
62
7
10
13
20
6
40
6
50
270
51
360
0
POLYLINE
8
1
62
7
70
0
66
1
40
0
41
0
0
VERTEX
8
1
10
-19
20
6
0
VERTEX
8
1
10
-19
20
15.5
0
VERTEX
8
1
10
0
20
15.5
0
SEQEND
8
1
0
POLYLINE
8
1
62
7
6
DASHED
70
0
66
1
40
0
41
0
0
VERTEX
8
1
10
-15
20
11.5
0
VERTEX
8
1
10
-15
20
7
0
VERTEX
8
1
10
15
20
7
0
VERTEX
8
1
10
15
20
11.5
0
SEQEND
8
1
0
POLYLINE
8
1
62
7
70
0
66
1
40
0
41
0
0
VERTEX
8
1
10
-4
20
2.817841e-15
0
VERTEX
8
1
10
-13
20
3.920475e-15
0
SEQEND
8
1
0
ARC
8
1
62
7
10
-13
20
6
40
6
50
180
51
270
0
LINE
8
1
62
7
6
DASHED
10
-15
20
11.5
11
-15
21
8
0
POLYLINE
8
10
62
7
70
0
66
1
40
0
41
0
0
VERTEX
8
10
10
-4.010893
20
6.516157
0
VERTEX
8
10
10
-4.480249
20
3.621797
0
SEQEND
8
10
0
POLYLINE
8
10
62
7
70
0
66
1
40
0
41
0
0
VERTEX
8
10
10
4.480249
20
3.621797
0
VERTEX
8
10
10
3.99215
20
6.631744
0
SEQEND
8
10
0
POLYLINE
8
10
62
7
70
0
66
1
40
0
41
0
0
VERTEX
8
10
10
-4.5
20
2.875
0
VERTEX
8
10
10
-4.5
20
0
0
VERTEX
8
10
10
4.5
20
0
0
VERTEX
8
10
10
4.5
20
2.875
0
SEQEND
8
10
0
TEXT
8
10
62
7
10
-0.35
20
0.85
40
0.2
1
9.000
7
STANDARD
0
LINE
8
10
62
7
10
-4.5
20
0.75
11
4.5
21
0.75
0
LINE
8
10
62
7
10
-4.5
20
0.83
11
-4.5
21
0.85
0
LINE
8
10
62
7
10
4.5
20
0.83
11
4.5
21
0.85
0
LINE
8
10
62
7
10
-4.34
20
0.723334
11
-4.5
21
0.75
0
LINE
8
10
62
7
10
-4.34
20
0.776666
11
-4.5
21
0.75
0
LINE
8
10
62
7
10
4.34
20
0.723334
11
4.5
21
0.75
0
LINE
8
10
62
7
10
4.34
20
0.776666
11
4.5
21
0.75
0
POLYLINE
8
1
62
7
70
0
66
1
40
0
41
0
0
VERTEX
8
1
10
4
20
2.327782e-15
0
VERTEX
8
1
10
13
20
2.327782e-15
0
SEQEND
8
1
0
LINE
8
1
62
7
6
DASHED
10
15
20
11.5
11
15
21
8
0
TEXT
8
1
62
7
6
DASHED
40
1
1
FUEL TANK (LARGE VERSION)
7
STANDARD
72
0
10
-14.5
20
22
0
POLYLINE
8
1
62
7
6
DASHED
70
0
66
1
40
0
41
0
0
VERTEX
8
1
10
41.5
20
15.5
0
VERTEX
8
1
10
41.5
20
0
0
SEQEND
8
1
0
POLYLINE
8
1
62
7
6
DASHED
70
0
66
1
40
0
41
0
0
VERTEX
8
1
10
36
20
0
0
VERTEX
8
1
10
36
20
7
0
VERTEX
8
1
10
34
20
7
0
VERTEX
8
1
10
34
20
11.5
0
VERTEX
8
1
10
30
20
11.5
0
VERTEX
8
1
10
30
20
14
0
VERTEX
8
1
10
30.5
20
15.5
0
SEQEND
8
1
0
TEXT
8
1
62
7
6
DASHED
40
0.6
1
3
7
STANDARD
72
0
10
35
20
13.5
0
TEXT
8
1
62
7
6
DASHED
40
0.6
1
3   46.25 X 38   1757.5
7
STANDARD
72
0
10
44
20
13.5
0
LINE
8
1
62
6
6
DASHED
10
36
20
11.5
11
41.5
21
11.5
0
LINE
8
1
62
6
6
DASHED
10
36
20
7
11
41.5
21
7
0
LINE
8
1
62
7
6
DASHED
10
36
20
0
11
41.5
21
0
0
POLYLINE
8
1
62
7
6
DASHED
70
0
66
1
40
0
41
0
0
VERTEX
8
1
10
34
20
11.5
0
VERTEX
8
1
10
36
20
11.5
0
VERTEX
8
1
10
36
20
7
0
SEQEND
8
1
0
TEXT
8
1
62
7
6
DASHED
40
0.6
1
4
7
STANDARD
72
0
10
34.5
20
9
0
TEXT
8
1
62
7
6
DASHED
40
0.6
1
1   38.5 x 28 1078 (2 x res)
7
STANDARD
72
0
10
44
20
3.5
0
TEXT
8
1
62
7
6
DASHED
40
0.6
1
1
7
STANDARD
72
0
10
38.5
20
3.5
0
TEXT
8
1
62
7
6
DASHED
40
0.6
1
2   24.75 x 38  940.5
7
STANDARD
72
0
10
44
20
8.5
0
TEXT
8
1
62
7
6
DASHED
40
0.6
1
2
7
STANDARD
72
0
10
38.5
20
9
0
TEXT
8
1
62
7
6
DASHED
40
0.5
1
17
7
STANDARD
72
0
10
42
20
7
0
TEXT
8
1
62
7
6
DASHED
40
0.5
1
41
7
STANDARD
72
0
10
42
20
11.5
0
LINE
8
1
62
7
6
DASHED
10
30.5
20
15.5
11
41.5
21
15.5
0
TEXT
8
1
62
7
6
DASHED
40
0.6
1
4   9.00 x 34  306  cu.in.
7
STANDARD
72
0
10
44
20
16
0
TEXT
8
1
62
7
6
DASHED
40
0.6
1
=0D
7
STANDARD
72
0
10
44
20
15
0
TEXT
8
1
62
7
6
DASHED
40
0.5
1
70
7
STANDARD
72
0
10
42
20
15.5
0
TEXT
8
1
62
7
6
DASHED
40
0.5
1
AREAS
7
STANDARD
72
0
10
44
20
18
0
TEXT
8
1
62
7
6
DASHED
40
0.6
1
16.4 cc per cu.in
7
STANDARD
72
0
10
43.5
20
24
0
ENDSEC
0
EOF



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