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Author How to work out engine capacity...
mwg
Member

Registered: 19th Feb 04
Location: South Lakes
User status: Offline
24th Feb 06 at 14:52   View User's Profile U2U Member Reply With Quote

Wanting to work out what size an engine is after its been bored out.

86mil stroke by 87mil bore x 4

Anybody able to help?

I did Pi R squared but came up with some funny figure so dont think I'm doing it right
mwg
Member

Registered: 19th Feb 04
Location: South Lakes
User status: Offline
24th Feb 06 at 14:58   View User's Profile U2U Member Reply With Quote

Its 2045cc



been shown a link by someone
flash22
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Registered: 13th Sep 05
User status: Offline
24th Feb 06 at 16:04   View User's Profile U2U Member Reply With Quote

http://www.bgsoflex.com/displacement.html

that works it out 2045cc

[Edited on 24-02-2006 by flash22]
ainsley_brader
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Registered: 24th Mar 02
Location: Tattershall, Lincolnshire
User status: Offline
26th Feb 06 at 11:03   View User's Profile U2U Member Reply With Quote

it is pi r^2
times the stroke
times the 4 cylinders
divide by 1000 to get it down to centimetres

so i got (aking pi as 3.142 is that right i forgt)

3.142 * 43.5^2 (1892.25) = 5945.4495
*86 = 511308.65
*4 = 2045234.6
/1000 = 2045.2346

 
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