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HD15 Width increase to 580mm |
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levyte357 
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Joined: 10 May 2004 Location: UK, London Status: Offline Points: 11743 |
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 Posted: 25 April 2012 at 10:07pm |
Any chance you could explain the changes made to the standard input data, to arrive at this? For my plot, I just increased what I thought were the chambers and throat sections by approx 20%. |
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"Who am I? I'm the guy who does his job.. You must be the other guy".
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Wrek0ne
Young Croc 
Joined: 10 February 2011 Location: Cambridge Status: Offline Points: 749 |
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Posted: 02 May 2012 at 8:18pm |
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The standard HD15 has an internal width of 472mm and you wanted the box an overall 588mm so minus 36mm for the box to leave the internals at 552mm which is an extra 6th larger than the original as:
472-522=80 472/80=5.9 And I'm adding an extra 1/5.9 onto the internal measurements so the rear chamber is roughly 1/6th or 16.66% larger, as is the throat, S1 > S5 and so on using the original input data found here |
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Poll this!
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Wrek0ne wrote: