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anyone think this will work? (re: a brake pedal mod)

5 posts by 5 people · 11 May 2001 12:27 UTC - 19 May 2001 02:01 UTC

Bruce Millar 11 May 2001 12:27 UTC#186004
GPL / N4 player. I am using modified (heavily) T2 pedals and a LWFF. Problem is lack of precision in braking. Ive been using a spring/plunger setup I designed to fit on the back of the prake pedal (not precise enough, I am locking brakes up a LOT) and was thinking of changing to the old squash ball and giving that a try. Came up with this idea... would a hood shock from a car be a viable replacement for the spring and plunger I am using now? It would be about the same size, anyone try this or somthing similar?
[email hidden] (captripps) wrote in <xWQK6.115$[email hidden]>:
Quoted text (8 lines)>GPL / N4 player. I am using modified (heavily) T2 pedals and a >LWFF. Problem is lack of precision in braking. Ive been using a >spring/plunger setup I designed to fit on the back of the prake >pedal (not precise enough, I am locking brakes up a LOT) and was >thinking of changing to the old squash ball and giving that a try. >Came up with this idea... would a hood shock from a car be a viable >replacement for the spring and plunger I am using now? It would be >about the same size, anyone try this or somthing similar?
If you mean the spring that keeps your engine hood from slamming down I think you'd find it way to firm a spring. But that all depends on where it is in your system and what kind of leverage your getting on it. I'm using an ECCI system and I'm not familiar with T2s. I've had my best luck with slightly firmer springs to replace the stock ones,supplemented with various densitys of foam under the pedal. Don't hesitate to experiment with anything you might think would work. If you haven't already, increase the volume of your skid sound, that helps a bunch. -- Don Scurlock Vancouver,B.C. GPLRank -12.11 Come see how you rank, at the GPLRank site http://gplrank.ringlord.com/
Brake "lock-up" in N4 (not sure about GPL, haven't tested it yet....but probably applies equally in GPL and N4) is not only an issue of a physical brake stop....on the peddle. Its an issue of the brake "response curve" to the ohm-resistance resolution sent to the computer ("game") from the brake controller's brake peddle. You can not hope to get both a realistic brake "feel"....and a realistic brake "response" from the sim race car.......without a "physical" limitation on brake travel......and a "logarithmic" ohm-resistance resolution. Look to a "pressure" curve at the calipers....on a real race car brake system......as a "key" to unlock the solution to this entire problem in N4 (or GPL for that matter). Placing a "rubber ball" under the brake peddle helps "fix" the peddle's travel resolution.....but it does virtually little to the "brake response" resolution in the "game." In other words, if the "problem" is defined as 100%......the "rubber ball" takes care of about 10% of the problem. Granted, the brake will "feel" more realistic....but you'll still be locking'em up with total inconsistency in braking. It will be interesting to watch over the next several months as the N4 leagues are beginning to develop, who the "fast guys" are.....and I will bet you they have also "solved" this brake issue in N4. This is a "competitive" issue....so I doubt you'll see anyone actually telling you how they solved it, much like WC teams keep their setups and other "tricks" secret (or as secret as they can). Tom Pabst
for a spring for my LWFF pedalsi got hold of a heavy duty spring out of an automatic transmission, out of what gearbox, i have no idea. i took my brake spring in and found a spring about double the wire diameter of the original still could go a bit stiffer, but its alot more controlable now, and the LWFF Pedals aint so bad after all. Now using Act Labs Force RS Wheel and LWFF pedals. hope this helps Warren captripps <[email hidden]> wrote in message news:xWQK6.115$[email hidden]... > GPL / N4 player. I am using modified (heavily) T2 pedals and a LWFF. > Problem is lack of precision in braking. Ive been using a spring/plunger > setup I designed to fit on the back of the prake pedal (not preciseenough, > I am locking brakes up a LOT) and was thinking of changing to the oldsquash > ball and giving that a try. Came up with this idea... would a hood shock > from a car be a viable replacement for the spring and plunger I am using > now? It would be about the same size, anyone try this or somthingsimilar? > >
You mean one of those rubber cylinders. That works nicely, I'm using a (similar) doorstop myself. You can find some info on my webpage - I call this "pressure sensitive brake". JensSchumi On Fri, 11 May 2001 08:27:46 -0400, "captripps" <[email hidden]> wrote:
Quoted text (8 lines)>GPL / N4 player. I am using modified (heavily) T2 pedals and a LWFF. >Problem is lack of precision in braking. Ive been using a spring/plunger >setup I designed to fit on the back of the prake pedal (not precise enough, >I am locking brakes up a LOT) and was thinking of changing to the old squash >ball and giving that a try. Came up with this idea... would a hood shock >from a car be a viable replacement for the spring and plunger I am using >now? It would be about the same size, anyone try this or somthing similar? >
-- LWFF Ball Bearing conversion at: http://members.nbci.com/JensSchu/ GPLRank: -10.1 Monsters of GPL: sub 200

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