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sliding | Bob weigth | ||
Senior Guru
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I was calculating bob weigth and this is what I came up with
piston - 495g - reciprocating weigth pin - 130g - reciprocating weigth spirolocks - 2g - reciprocating weigth ring set - 28g - reciprocating weigth rod small end - 191g - reciprocating weigth rod big end - 431g - rotating weigth bearing - 46g - rotating weigth I was using this formula: rotating weigth + 50% of reciprocating weigth So I came up with bob weigth of 910g but since there are two pistons per journal total bob weigth = 1820g Can somebody verify my numbers? I found some strange software, Maverick racing crank balance assistant and according to it, my bob weigth shoul be 1600g???? Here is link to Maverick page and if somebody is interested, scroll all the way down and download the software. http://www.maverickracing.co.uk/crankbalsoft.htm |
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Posted on: 2010/1/19 18:46
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'90 L98 auto with a lot of mods |
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sliding | Re: Bob weigth | ||
Senior Guru
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It looks like my calculation was OK.
In software, piston weigth should be input together with pin weigth. |
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Posted on: 2010/1/19 18:54
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'90 L98 auto with a lot of mods |
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