Review measurement

2025-04-24 18:06

Skywalk Arak Air S (2022)

Accuracy

Is calculated by comparing each suspension point's length change to the main line's overall change after re-measurement. Deviations over 3.0mm from the average are considered noticeable and may distort the trim result.

Left riser

Right riser

avg change:
2.75
std dev:
1.71
a9
dev:
+1.8
a10
dev:
-0.3
a11
dev:
-2.3
a12
dev:
+0.8
avg change:
9.25
std dev:
1.50
b5
dev:
-1.8
b6
dev:
+1.3
b7
dev:
+1.3
b8
dev:
-0.8
avg change:
2.50
std dev:
1.73
b9
dev:
+0.5
b10
dev:
+0.5
b11
dev:
+1.5
b12
dev:
-2.5
avg change:
7.25
std dev:
2.55
c5
dev:
+1.3
c6
dev:
-2.8
c7
dev:
-0.8
c8
dev:
-2.8
d5
dev:
+5.3
d6
dev:
+0.3
d7
dev:
+0.3
d8
dev:
-0.8

In-group deviations

Readings that are more than 10mm away from each other within one group.
This could be a sign of inaccurate measuring setup/technique or swapped line map points.

Left riser

s1
nom:
6550
rdg:
6551
diff:
 +1
s4
nom:
6462
rdg:
6469
diff:
 +7
s2
nom:
6528
rdg:
6517
diff:
-11
s5
nom:
6438
rdg:
6435
diff:
 -3
s3
nom:
6547
rdg:
6546
diff:
 -1
s6
nom:
6487
rdg:
6489
diff:
 +2
s7
nom:
6552
rdg:
6548
diff:
 -4

Right riser

s1
nom:
6550
rdg:
6553
diff:
 +3
s4
nom:
6462
rdg:
6473
diff:
+11
s2
nom:
6528
rdg:
6517
diff:
-11
s5
nom:
6438
rdg:
6435
diff:
 -3
s3
nom:
6547
rdg:
6541
diff:
 -6
s6
nom:
6487
rdg:
6481
diff:
 -6
s7
nom:
6552
rdg:
6538
diff:
-14

Trim

Groups arranged behind each other in flight direction having more than 10mm deviation. 

This should be corrected.

Left riser

Right riser

nom:
6922.25
rdg:
6927.75
diff:
5.50
nom:
6827.50
rdg:
6829.00
diff:
1.50
nom:
6905.00
rdg:
6900.00
diff:
-5.00

Group deviations

Groups that are more than 20mm away from measurement baseline.
The measurement baseline is the median of the deviations of all measurements from their nominal values. 

No issues were found

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