[Bell Historians] Stretch tuning

[Bickerton, Roderic K (SELEX) (UK)]

25 or 30C an octave sounds very heavy handed.
Why so much?
below, piano stretch:
Piano Tuning Stretch Data
Steinway Model M

 






Key	 Note	 Cents	 -	 Key	 Note	 Cents	 -	 Key
Note	 Cents	 -	 Key	 Note	 Cents	
1	 A0	 -18.09	 	25	 A2	 -2.77	 	49
A4	 0	 	73	 A6	 9.48	
2	 Bb0	 -16.04	 	26	 Bb2	 -2.56	 	50
Bb4	 0.15	 	74	 Bb6	 10.32	
3	 B0	 -14.18	 	27	 B2	 -2.34	 	51
B4	 0.31	 	75	 B6	 11.19	
4	 C0	 -12.51	 	28	 C2	 -2.09	 	52
C4	 0.5	 	76	 C6	 12.11	
5	 Db0	 -8.02	 	29	 Db2	 -1.83	 	53
Db4	 0.71	 	77	 Db6	 13.18	
6	 D0	 -6.73	 	30	 D2	 -1.54	 	54
D4	 0.95	 	78	 D6	 14.28	
7	 Eb0	 -5.74	 	31	 Eb2	 -1.23	 	55
Eb4	 1.19	 	79	 Eb6	 15.43	
8	 E0	 -5.68	 	32	 E2	 -0.91	 	56
E4	 1.41	 	80	 E6	 16.62	
9	 F0	 -5.01	 	33	 F2	 -0.57	 	57
F4	 1.65	 	81	 F6	 17.84	
10	 Gb0	 -4.24	 	34	 Gb2	 -0.2	 	58
Gb4	 1.91	 	82	 Gb6	 19.11	
11	 G0	 -1.06	 	35	 G2	 0.18	 	59
G4	 2.18	 	83	 G6	 20.41	
12	 Ab0	 -3.56	 	36	 Ab2	 0.58	 	60
Ab4	 2.48	 	84	 Ab6	 21.76	
13	 A1	 -9.46	 	37	 A3	 1.01	 	61
A5	 2.8	 	85	 A7	 23.14	
14	 Bb1	 -6.45	 	38	 Bb3	 -0.79	 	62
Bb5	 3.08	 	86	 Bb7	 24.57	
15	 B1	 -2.14	 	39	 B3	 -0.79	 	63
B5	 3.39	 	87	 B7	 26.03	
16	 C1	 -6.56	 	40	 C3	 -0.77	 	64
C5	 3.75	 	88	 C7	 27.53	
17	 Db1	 -5.28	 	41	 Db3	 -0.74	 	65
Db5	 4.23	 				
18	 D1	 -6.03	 	42	 D3	 -0.67	 	66
D5	 4.75	 				
19	 Eb1	 -4.27	 	43	 Eb3	 -0.59	 	67
Eb5	 5.3	 				
20	 E1	 -5.75	 	44	 E3	 -0.49	 	68
E5	 5.9	 	


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