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03-03-08, 01:38 PM
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#1 |
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Guest
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Softly Softly - Spring rates
I have a 2001 SV 650
I have some forks from a 2001 600 bandit (I believe). How can the bandit only have 0.45kg/mm springs? SV has 0.7kg/mm http://www.racetech.com/evalving/menu/searchstreet.asp Last edited by Blue_SV650S; 03-03-08 at 01:41 PM. |
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03-03-08, 03:22 PM
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#2 |
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Re: Softly Softly - Spring rates
Oh and an SV is 165kg Dry
A 2001 bandit is 208kg dry ... The bandit fork tubes are 31mm longer ... |
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03-03-08, 04:46 PM
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#3 |
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Re: Softly Softly - Spring rates
Hello ... anyone there?!!?
 Look, the more I think about it, the more something isn't right  -So lets look at it another way; If you can generate enough grip from the front, you should be able to generate about 0.9g of braking effort. At that point, the back wheel is lightly touching the ground, so 90% of the weight is transfered to the front. If the bike and rider weighs 300KGs, the front forks are supporting 150 * 0.9 each, or 135KGs. At a rate of 0.454KGs/mm, that will compress the forks by 297mm, or nearly a foot! If the forks have 6" of travel, they would bottom out at a braking force of 0.45g, which is naff-all. This is with a ~200kgs fuelled up bike and ~100kgs of rider. We all know that most bandit riders are well in excess of 180Kgs...
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03-03-08, 05:11 PM
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#4 |
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Re: Softly Softly - Spring rates
wha!
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03-03-08, 05:26 PM
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#5 |
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Moderator
Mega Poster
Join Date: Jan 2004
Location: In the garage where I belong
Posts: 17,083
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Re: Softly Softly - Spring rates
Sounds like the spring rate info is wrong tbh, or there's some other relevant data missing.
__________________
"We are the angry mob, we read the papers every day We like what we like, we hate what we hate But we're oh so easily swayed" |
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03-03-08, 07:17 PM
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#6 | |
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Re: Softly Softly - Spring rates
Quote:
What confuses matters further is when you put in a rider weight in the calculator/s 
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03-03-08, 08:03 PM
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#7 | |
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Re: Softly Softly - Spring rates
Quote:
That said, SV springs are progressive either. At least I seem to remember the pointy ones are. Last edited by Flamin_Squirrel; 03-03-08 at 08:07 PM. |
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03-03-08, 08:09 PM
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#8 | |
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Re: Softly Softly - Spring rates
Quote:
Dunno about pointy, but the stock curvys are NOT progressive ... |
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04-03-08, 09:42 AM
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#9 |
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Re: Softly Softly - Spring rates
Slung the bandit forks in my road bike this am ... who wants to know the results?!?!?
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04-03-08, 10:17 AM
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#10 |
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Re: Softly Softly - Spring rates
ok, tell us all
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