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#1
19th March 2014, 09:19 PM
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Hmmm, you've got me doubting my calculations now.
I had been using the eibach equations here: http://eibach.com/america/en/motorsp...sion-worksheet However they seem to correct for shock angle slightly differently to others which seems to give very different results  
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#2
19th March 2014, 10:18 PM
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Well, I've had a couple of glasses of wine but, I'll have a look at that tomorrow!
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#3
20th March 2014, 11:51 AM
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Yes they are working wheel rate out by squaring MR before they have accounted for spring angle whereas hyper coil are accounting for spring angle for MR and then squaring MR.
 So my CPM would come out at 163cpm using that method. If I reduce distance D2 by not using the centre of the tire but the lower ball joint to 15" say I get a cpm of 182cpm! It certainly doesn't feel like I'm driving a modern day ground effect or downforce racing car! lol There must be more too this we aren't aware of.
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#4
20th March 2014, 12:15 PM
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Found this, It's a discussion about exactly this with some seemingly knowledgable people trying to get to the bottom of the Staniforth correction factor for angle. I'm not sure I'm able to apply it but I'll give it a go.
http://www.ten-tenths.com/forum/showthread.php?t=126399 There is this as well, but to me this is as clear as mud. I assume this is from Staniforth's book. http://enderw88.wordpress.com/automo...g-rate-theory/ Last edited by CTWV50 : 20th March 2014 at 12:44 PM.
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#5
20th March 2014, 12:45 PM
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An observation and hope I am wrong,I don't think the IVA tester will like the fact that the locking nut for top suspension joint holds the flexy pipe bracket as well.
__________________
Cost : Little as possible. Thanks : To those who by their generosity my build has progressed. Its a handmade sports car not a flaming kit car !!! If at first you dont succeed,avoid skydiving... No parachute require to freefall,only if you want to do it twice.
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#6
20th March 2014, 12:47 PM
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Quote:
 Last edited by CTWV50 : 20th March 2014 at 12:53 PM.
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#7
21st March 2014, 01:02 PM
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Last night I made some spacers for the rack just to make sure mr IVA man didn't fail me due to the rack boots touching the wishbones. I'll probably remove them after the IVA as the contact is only very slight. I'm using 12.9 strength M8 hex head bolts with washers and flanged nylock nuts.
 
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