the stones

Chris Burgess chris at chrisburgess.com
Tue Sep 8 09:24:59 PDT 2009


Why does the rate on a linear spring change at the far end of the
compression storke, assuming you don't hit coil bind, unless that is what
you were getting at?
On Tue, Sep 8, 2009 at 9:12 AM, Ernest Montague <afm199 at earthlink.net>wrote:

> Spring rate on a linear spring does not change until the far end of the
> compression stroke. A relaxed spring compresses at its given rate. A spring
> loaded enough to compress a tenth of its length still compresses at the same
> rate.
>
>
>
> On Sep 8, 2009, at 9:07 AM, Chris Burgess wrote:
>
> Ah...preload isn't just ride height.  It affects the initial stroke of the
>> suspension.
>>
>> On Tue, Sep 8, 2009 at 9:05 AM, Ernest Montague <afm199 at earthlink.net
>> >wrote:
>>
>> preload is ride height.  Not stiffness. Only at the extreme does it make
>>> the ride "stiffer"
>>>
>>>
>>>
>>> On Sep 8, 2009, at 8:59 AM, Chris Burgess wrote:
>>>
>>> Do you think the carcuss of the 003's are stiffer than the 090's?  That
>>>
>>>> would make you need to stiff the suspension since the tires can do less
>>>> of
>>>> the work than they did before.
>>>>
>>>> On Tue, Sep 8, 2009 at 8:17 AM, Jo Rhett <jorhett at fastlizardracing.com
>>>>
>>>>> wrote:
>>>>>
>>>>
>>>> Sorry FYI I meant 003s.  I was switching from the 090s to the 003s ;-)
>>>>
>>>>>
>>>>> I had to stiff up the front and rear preload.  Note: this may be only
>>>>> because I needed to anyway, but I found that when I went out on the
>>>>> 003s
>>>>> I
>>>>> was sliding around at the same pace that the 090s were stable.
>>>>>  Increasing
>>>>> the preload on both sides made the tires grip better and I dropped my
>>>>> time
>>>>> significantly.
>>>>>
>>>>>
>>>>> On Sep 8, 2009, at 5:29 AM, Randy Grein wrote:
>>>>>
>>>>> What did you have to stiffen up? Springs, compression, rebound,
>>>>>
>>>>>> everything?
>>>>>>
>>>>>> Randy Grein, WMRRA #141
>>>>>>
>>>>>> On Sep 7, 2009, at 11:05 PM, Jo Rhett wrote:
>>>>>>
>>>>>> On Sep 7, 2009, at 2:10 PM, Randy Grein wrote:
>>>>>>
>>>>>>
>>>>>>> Bridgestone finally has SV sized DOT tires and they're like $140 less
>>>>>>> a
>>>>>>>
>>>>>>>> set.
>>>>>>>>
>>>>>>>>
>>>>>>>> Yeah, $260 a set is a sweet deal.  The 090s have sweet grip too but
>>>>>>> I
>>>>>>> had
>>>>>>> to stiffen my suspension both front and back to make them pay.  But
>>>>>>> after
>>>>>>> that change they ran well -- I dropped 2 seconds immediately after
>>>>>>> the
>>>>>>> suspension fix.
>>>>>>>
>>>>>>> --
>>>>>>> Jo Rhett /  velociRaptor Racing
>>>>>>> #553 WERA / AFM
>>>>>>> #53 SMRRC
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>
>>>>> Jo Rhett /  velociRaptor Racing
>>>>> #553 WERA / AFM
>>>>> #53 SMRRC
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>> --
>>>> WERA #104
>>>> OMRRA #104
>>>> WMRRA #104
>>>> http://www.burgiracing.com
>>>> http://www.sponsorhouse.com/members/thatman
>>>>
>>>> 2009 Sponsors
>>>> I-90 Motorsports
>>>> Vortex Racing - http://www.vortexracing.com
>>>> Motorex - http://www.motorex.com
>>>> Lockhart Phillips http://www.lockhartphillipsusa.com
>>>>
>>>>
>>>>
>>>
>>
>> --
>> WERA #104
>> OMRRA #104
>> WMRRA #104
>> http://www.burgiracing.com
>> http://www.sponsorhouse.com/members/thatman
>>
>> 2009 Sponsors
>> I-90 Motorsports
>> Vortex Racing - http://www.vortexracing.com
>> Motorex - http://www.motorex.com
>> Lockhart Phillips http://www.lockhartphillipsusa.com
>>
>>
>


-- 
WERA #104
OMRRA #104
WMRRA #104
http://www.burgiracing.com
http://www.sponsorhouse.com/members/thatman

2009 Sponsors
I-90 Motorsports
Vortex Racing - http://www.vortexracing.com
Motorex - http://www.motorex.com
Lockhart Phillips http://www.lockhartphillipsusa.com


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