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Search: Posts Made By: mike156
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 04-24-2015, 04:58 PM
Replies: 184
Views: 53,154
Posted By mike156
Going softer in the front will give MORE front...

Going softer in the front will give MORE front grip...which will produce MORE oversteer.
Going stiffer in the back will REDUCE rear grip...which will produce MORE oversteer.




You don't seem...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 08-27-2014, 08:11 PM
Replies: 54
Views: 20,816
Posted By mike156
must...refrain...troll...murder...suicide...

must...refrain...troll...murder...suicide...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 08-27-2014, 06:23 PM
Replies: 54
Views: 20,816
Posted By mike156
I can almost concede to your argument of the kart...

I can almost concede to your argument of the kart being "the tire" and that's why you bring it up. HOWEVER, karts are flexures and they have suspension per say. They tune the stiffness of the...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 08-23-2014, 12:18 AM
Replies: 54
Views: 20,816
Posted By mike156
Yes... When it comes to roll centers...F1 and...

Yes...
When it comes to roll centers...F1 and Karts don't mean a thing to us.

But PLEASE tell me how you would establish the roll center of a kart.



Dear Canada,
Since this clown is...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 08-22-2014, 07:44 PM
Replies: 54
Views: 20,816
Posted By mike156
F1 uses long arms (and "wrong" roll centers) for...

F1 uses long arms (and "wrong" roll centers) for the same reason they select any other part on the car...aerodynamics. But they also use nearly equal length arms anyway to basically eliminate any...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 08-22-2014, 11:34 AM
Replies: 54
Views: 20,816
Posted By mike156
You just tried to talk down to a person that...

You just tried to talk down to a person that makes a living based on knowing how to make a car handle well. Ground Control has a strong following and is well respected in numerous communities. You...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 08-20-2014, 02:50 PM
Replies: 60
Views: 45,664
Posted By mike156
Fakes are one thing and are absolutely terrible...

Fakes are one thing and are absolutely terrible for the industry. Anybody knowingly buying a fake should be beaten. That's usually the problem with fakes though, you don't know it's a fake until you...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 08-13-2014, 07:13 PM
Replies: 342
Views: 116,402
Posted By mike156
Except MANY race classes explicitly don't allow...

Except MANY race classes explicitly don't allow moving suspension mounting points or tubular subframes but will allow custom control arms. Not to mention a tubular front subframe would likely be 2X...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 06-16-2014, 08:00 PM
Replies: 174
Views: 74,935
Posted By mike156
If you are going to show weights, you should...

If you are going to show weights, you should include the weights of the rest of the system.

Air springs are progressive in spring rate. How progressive is based largely on volume and pressure of...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 05-15-2014, 05:41 PM
Replies: 75
Views: 33,579
Posted By mike156
Looks like you have the taper bolts swapped. The...

Looks like you have the taper bolts swapped. The tapers section needs to go into the hub and right now all you have is the thread section in the hub.

Honestly though, if you don't know what you...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 05-09-2014, 08:04 PM
Replies: 61
Views: 20,522
Posted By mike156
Its the same as all the non-circle track Bilstein...

Its the same as all the non-circle track Bilstein stuff.

N/10 @ 0.52m/s
(i.e. 179 = 1790N @ 0.52m/s)

Although, as I mentioned, this is only one point on the curve, it could be doing all...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 05-09-2014, 11:48 AM
Replies: 61
Views: 20,522
Posted By mike156
You guys should do some more research before you...

You guys should do some more research before you post "information." It took about 5 minutes on the phone with Bilstein to get this information.

Here are the specs for the B6 and B8.

Front...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 04-03-2014, 11:44 AM
Replies: 55
Views: 14,410
Posted By mike156
This seems like a show car piece. Add a $500...

This seems like a show car piece. Add a $500 polish and you'll have a winner.

Anybody that cares about performance is going to want adjustability and a lighter weight part. What you are offering...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 02-07-2014, 01:13 PM
Replies: 42
Views: 13,145
Posted By mike156
That's the sprung mass natural frequency and...

That's the sprung mass natural frequency and doesn't account for tire compliance. The equations work better when used proeprly, as I'm sure Andy knows.

As a rule of thumb using that number,...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 12-13-2013, 10:28 AM
Replies: 29
Views: 8,619
Posted By mike156
I've been going back and forth on a design for...

I've been going back and forth on a design for arms on another platform and it's came down to this same issue. Stiffness vs. Adjustability.

On the original racerx arms I assume there is some...
Forum: FR-S / BRZ vs.... 12-03-2013, 06:39 PM
Replies: 139
Views: 42,184
Posted By mike156
Under 2600lbs Capable suspension and brakes ...

Under 2600lbs
Capable suspension and brakes
Not a roadster/convertible
240+ HP turbo
RWD
Manual trans
Under $25k
Small overall length and height with short overhangs (longish wheelbase)

If...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 11-25-2013, 07:31 PM
Replies: 87
Views: 34,182
Posted By mike156
Many cars use bumpstops as a second spring now...

Many cars use bumpstops as a second spring now (many put the car on the bumpstop at normal ride height even). It lets them use a soft spring for normal driving then the spring package goes very...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 11-01-2013, 02:43 PM
Replies: 69
Views: 36,941
Posted By mike156
Came across this article from 2010 PRI when...

Came across this article from 2010 PRI when Bilstein USA first released the new adjuster.

http://www.onedirt.com/news/pri-2010-bilstein-shocks-new-10-way-single-adjustable-shock-shaft/...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 10-31-2013, 12:05 PM
Replies: 245
Views: 145,970
Posted By mike156
Throw some bags of salt or concrete in the car to...

Throw some bags of salt or concrete in the car to match your weight while setting the ride height. The softer the spring rate, the more pronounced the ride height change will be.

Of course, doing...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 10-30-2013, 02:14 PM
Replies: 69
Views: 36,941
Posted By mike156
The PSS9 adjuster is reported as being a switch...

The PSS9 adjuster is reported as being a switch and is complete garbage. It was a basic bleed adjuster that was very unpredictable, I don't think any new applications use that adjuster any more. The...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 10-23-2013, 12:41 PM
Replies: 52
Views: 18,470
Posted By mike156
It will bring your motion ratio closer to unity...

It will bring your motion ratio closer to unity using the outer bolt. This will increase the wheel rate of the spring/shock package. (aka it makes the rear suspension stiffer)

I would guess it...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 10-15-2013, 11:21 AM
Replies: 245
Views: 145,970
Posted By mike156
Something to consider is these can easily grow...

Something to consider is these can easily grow with you.

Put them on, drive the hell out of the car for a year or two and once you have it figured out, respring/revalve/shorten to any kind of...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 10-07-2013, 03:42 PM
Replies: 29
Views: 9,193
Posted By mike156
Actually, uni-axial dry carbon with the right...

Actually, uni-axial dry carbon with the right laminate design is stiffer then steel for a given thickness. But composites aren't about thickness anyway as, if you are smart, you fill layers of...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 10-07-2013, 02:57 PM
Replies: 39
Views: 27,140
Posted By mike156
Something else to consider is that changing...

Something else to consider is that changing camber vs. SAI also changes the effective lever arm length the spindle has on the strut. This will impact strut side loading and the friction that goes...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 09-12-2013, 12:23 PM
Replies: 45
Views: 24,747
Posted By mike156
I could see the low drag seals on the rear shock....

I could see the low drag seals on the rear shock. But MacPherson struts aren't a low friction setup either way and I'd be surprised if they were using such seals in a strut application.

I think a...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 09-09-2013, 03:16 PM
Replies: 4,584
Views: 1,471,286
Posted By mike156
I always see talk of roll height and control arm...

I always see talk of roll height and control arm angles and how they should control ride height. The idea that a car that is to low handles terribly because of these issue I personally think is a bad...
Showing results 1 to 26 of 26

 
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