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yamahadt2006 kirjoitti:Input values:
Volume, cc: 52
Rpm: 8000
Exhaust duration, degrees: 175
Desired power, hp: 9
Exhaust channel length, mm: 28
Init pipe diam coef k1 (1,05..1,125): 1,20
Mid section coef k2 (2,125..3,25): 2,75
Tail pipe diam coef (0,6..0,7): 0,70
Horn coef (1,25..2,00): 1,90
Exhaust port equal diam, mm: 24,00
Resulting values:
Bmep, bar: 9,86
Exhaust gas temperature, C: 588,85
Wave speed, m/s: 588,46
Tuned length, mm: 1072,29
Dimensions of pipe to be fabricated:
Lengths: Diams:
L1 79,2 D1 0,0
L2 294,9 D2 0,0
L3 196,2 D3 0,0
L4 98,7 D4 0,0
L5 118,0 D5 0,0
L6 257,4 D6 16,8
L7 0,0 D7 16,8
Pipe length: 1044,3
Total length: 28,00
Adjusting pipe length:
Length factor: 1,15
L1 91,1
L2 339,1
L3 225,7
L4 113,4
L5 135,6
L6 296,0
L7 0,0
muuten vissiin ok mutta entäs tuo l7 pituus voi olla 0.0?