Author Topic: rebirth of the pre68  (Read 31357 times)

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Offline Bumper

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Re: rebirth of the pre68
« Reply #60 on: April 26, 2013, 08:21:16 pm »
well done team screamer ,from scrap heap to KINGS O BLING
now that,s a resto
PRE 68 kickin ass and on the way up  ;D ;D ;D

Offline EML

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Re: rebirth of the pre68
« Reply #61 on: April 27, 2013, 09:51:27 am »
So what cc's is it now??

Offline shelpi

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Re: rebirth of the pre68
« Reply #62 on: April 28, 2013, 11:08:56 am »
Well  done!!!!!!!!!!!!!!!!!!!!!!!! ;)
thanks  and thanks for the lucky wheel  ;)  :D

Offline shelpi

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Re: rebirth of the pre68
« Reply #63 on: April 28, 2013, 11:12:39 am »
well done team screamer ,from scrap heap to KINGS O BLING
now that,s a resto
PRE 68 kickin ass and on the way up  ;D ;D ;D

cheers mate, yer well can we keep up this sharade?  :o all the best to the Rat Viva la Rat

Offline shelpi

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Re: rebirth of the pre68
« Reply #64 on: April 28, 2013, 11:18:48 am »
So what cc's is it now??
it was 315cc @ 54x 61mm, Now @ 54x 62mm ................ so there's 3ft 3inch's and 3/8 to a metre so at a gesstamation  ??? hey can someone do the calcs please :D

Offline Bumper

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Re: rebirth of the pre68
« Reply #65 on: April 29, 2013, 02:51:07 pm »
326cc is what ya got there , ;D

Offline Tim754

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Re: rebirth of the pre68
« Reply #66 on: April 29, 2013, 06:25:40 pm »
Shelpi. here ya go .Bore x bore x .7854 x stroke x number of cylinders.  The bore size MUST ALWAYS be first in this equation , The figure of . (that's point)   .7854 is a constant in all cc calculations.

In your case that's  62 x 62 x .7854 x 54 x 2 = 326cc

Current engine in my 754 being 67 x 67 x .7854 x 65 x 4 = 916cc

Cheers  Lucky front wheel from me ???? :D Suppose it did reach the finish line before everything else!!! ;D
« Last Edit: April 29, 2013, 06:36:35 pm by Tim754 »
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Offline shelpi

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Re: rebirth of the pre68
« Reply #67 on: May 04, 2013, 02:28:24 pm »
326cc is what ya got there , ;D

cheers  ;) :) :D ;D

Offline shelpi

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Re: rebirth of the pre68
« Reply #68 on: May 04, 2013, 02:34:09 pm »
Shelpi. here ya go .Bore x bore x .7854 x stroke x number of cylinders.  The bore size MUST ALWAYS be first in this equation , The figure of . (that's point)   .7854 is a constant in all cc calculations.

In your case that's  62 x 62 x .7854 x 54 x 2 = 326cc

Current engine in my 754 being 67 x 67 x .7854 x 65 x 4 = 916cc

Cheers  Lucky front wheel from me ???? :D Suppose it did reach the finish line before everything else!!! ;D
ahh good stuff  ;) no wonder I couldnt work it out I was useing pies are square (and yummy) and yep the wheel did win we just followed it  :D :o

Offline shelpi

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Re: rebirth of the pre68
« Reply #69 on: May 13, 2013, 10:03:15 am »
hey Tim ya lucky wheel has done it again mate  ;) just point it and the rest follows  :D it was even trying it on with the Pre75 chaps :o

Offline shelpi

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Re: rebirth of the pre68
« Reply #70 on: May 17, 2013, 12:32:12 pm »
hey Tim ya lucky wheel has done it again mate  ;) just point it and the rest follows  :D it was even trying it on with the Pre75 chaps :o

Offline shelpi

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Re: rebirth of the pre68
« Reply #71 on: May 17, 2013, 12:37:57 pm »
hey Tim ya lucky wheel has done it again mate  ;) just point it and the rest follows  :D it was even trying it on with the Pre75 chaps :o

Offline shelpi

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Re: rebirth of the pre68
« Reply #72 on: May 17, 2013, 12:39:59 pm »
hey Tim ya lucky wheel has done it again mate  ;) just point it and the rest follows  :D it was even trying it on with the Pre75 chaps :o

Offline EML

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Re: rebirth of the pre68
« Reply #73 on: May 17, 2013, 12:45:26 pm »
Was the bloke in the yellow coat the course opener ......or the sweep :D :D :D

Offline shelpi

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Re: rebirth of the pre68
« Reply #74 on: May 17, 2013, 12:46:14 pm »
Now I think its just showing off  :o the little engine that thinks it could  :D