special values for the lengths of triangle sides a, b, c
"a" is the side of the hinge


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isosceles

N; c, b, a

6; 2/sqrt(5), 1, 1
7; 1, 1.13815, 1
8; 1, 0.72804, 1


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maximum hinge length

N; c, b, a

 7; 1, 0.848796, 1.007891
 8; 1, 0.722114, 0.995694
 9; 1, 0.651519, 1.004828
10; 1, 0.564980, 0.992579
11; 1, 0.516513, 0.995923
12; 1, 0.478849, 0.999471
13; 1, 0.434618, 0.996508
14; 1, 0.404316, 0.997426
15; 1, 0.380393, 0.999001
16; 1, 0.352978, 0.997894
17; 1, 0.332632, 0.998320
18; 1, 0.315860, 0.999075
19; 1, 0.297298, 0.998617
20; 1, 0.282617, 0.998823
21; 1, 0.270151, 0.999216



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Na = "K7BP"; =  File Name
dan = 7; = Number of Units

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スペシャル・サンクス
ヨハネスシュンケ　氏
平沢美可三　氏

堀部和経
2023/07/02