360GL Suspension specs, data test

Post by **jtbo** » 09 Aug 2007 09:43 pm

Do you agree and if not what would be more like proper value?

Front:
Scrub radius 45mm
Trail 120mm
Steering arm length 110mm
Roll centre 138mm
Camber -0.2 degrees
Castor 7.8 degrees
Kingpin inclination 8.7 degrees
Camber gain 0.5 degrees for 1 degree of body roll (might be humbug)
Bump(compress) travel 75mm (minus bump stop rubber)
Rebound(drop) travel 83mm
Spring rate 26010N/m
Motion ratio 1:1
Fore lower suspension arm length 280mm (wheel end height from ground 160mm body end 200mm)
Aft lower suspension arm length 380mm (wheel end height from ground ~190mm body end 180mm)
Track 1382mm
Toe in 4mm +/- 1mm = 0.8 degrees +/- 0.2 degrees
Ride height 200mm

If anyone has some aligning data from green books etc. confirmation is appreciated and if something is wrong please correct

Also some Ackerman and antidive characteristics would be good to have if someone has any info from such.

If some unit needs converting ask and I see what I can do, should be able to do something for it

Also if I missed any parameter please ask and I dig it up or if I have not I ask from someone

Post by **jtbo** » 11 Aug 2007 02:04 pm

Nobody has no idea ?

Post by **classicswede** » 11 Aug 2007 08:18 pm

I should have the info - I will have a look.

Post by **jtbo** » 12 Aug 2007 12:24 am

classicswede wrote:I should have the info - I will have a look.

Thanks, appreciated

Post by **jtbo** » 25 Aug 2007 12:57 pm

http://www.naturesongs.com/5insx.wav

Post by **pettaw** » 26 Aug 2007 05:40 pm

Jani if I ever get my green books back I'll be glad to help you, but I think there's scans of all the green books that I lent to Aymat in the technical section, so have a look in there.

Post by **jtbo** » 26 Aug 2007 06:36 pm

pettaw wrote:Jani if I ever get my green books back I'll be glad to help you, but I think there's scans of all the green books that I lent to Aymat in the technical section, so have a look in there.

Oooh, that was a good one, how could I be so stupid not to check from there

Thanks, got KPI and Castor confirmed from there and those were bit off, now corrected, also camber too.

Camber -0.5 degrees
Castor 7.58 degrees
Kingpin inclination 9.5 degrees

I have measured many of others, but I'm not sure if my measurement is same as factory's

Post by **pettaw** » 26 Aug 2007 06:42 pm

toe in sounds wrong. I think total toe in should be approx 0.3 degrees. 0.15 on each side, but I could have remembered wrong.

Post by **jtbo** » 26 Aug 2007 10:49 pm

pettaw wrote:toe in sounds wrong. I think total toe in should be approx 0.3 degrees. 0.15 on each side, but I could have remembered wrong.

It could be that there is error in math, I think that I took 360 degrees from center point and checked how much that is in distance of radius of tire, then worked from there how much 1mm is in degrees, then just multiplied that with amount of mm