the stones

[Ernest Montague]

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
>