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Old 22nd June 2010, 13:47   #1
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Default How to calculate cubic capacity?

Hello friends. We always read about cubic capacity of engines. How to calculate cubic capacity using bore and stroke measurements?

help!!
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Old 22nd June 2010, 15:20   #2
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((Bore (cm) X Bore (cm) X stroke (cm) X No. of cylinders)) divided by 4

e.g. Bore = 10 cm, stroke = 12 cm, 4 cylinders

Cubic capacity = (10 X 10 X 12 X 4) divided by 4 = 1,200 cc (cubic centimeters)
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Old 22nd June 2010, 15:42   #3
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Quote:
Originally Posted by Jayant..B View Post
Hello friends. We always read about cubic capacity of engines. How to calculate cubic capacity using bore and stroke measurements?

help!!
Assuming the bore and stroke measurements of an engine cylinder as in volume calculations of a normal cylindric shape, the capacity can be calculated by

(pi*r^2)*h

pi = 3.14

r = 1/2 the bore dimension in centimeters

h = stroke of the crank in centimeters
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Old 22nd June 2010, 17:20   #4
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Thank you bhp maniac.

Benu9714, i think the formula given by you is not correct.
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Old 22nd June 2010, 18:46   #5
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Hey Jayant! What's your purpose?
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Old 23rd June 2010, 08:32   #6
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Prateek, no special purpose. Just curious, thats all.
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