| [GMCnet] (no subject) [message #109196] |
Mon, 20 December 2010 20:17 |
Charles Aulgur
Messages: 78
Registered: March 2006
Karma: 0
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Gary Stated:
2. With a trailing axle rear suspension the rears will lock early. No
question. Will they still lock if the reaction arm system is used
for the
middles? I suspect so, but I haven't heard
What we found out in the testing we did 3 years ago on Rick
Flanagan's coach at Jim's place is you do not want to use calipers
over 70 mm on the rear wheels. Even though both rear wheels carry
about the same load during braking on the rear wheel tires with the
reaction arm system installed are not capability of providing as much
braking ability as the mid and front wheels. The friction on rear
tires that are being drug along is not as high as the mid and front
tires that are being pushed. Anyone know the answer as to why?
Regarding the heat energy generated by the brakes as being "wasted"
energy,
nothing could be further from the truth. Heat is THE output of a
brake, as it's
only purpose is to convert the kinetic energy of the vehicle into heat.
You are absolutely correct. It's a good thing we have people on the
net that can straighten things out when us old farts with CRS
don't know what they are talking about.
Force is force not energy - energy is force times distance. The
lower CG of a sports car has nothing to do with it being able to stop
better -
the two are not related.
You got me on this one as I sure don't understand what you are saying.
If the brakes are unable
to create the necessary force (torque) then the brakes are the limiting
component. It seems in our coaches the brakes are the limiting
factor (except
for the rears of a standard system - they are clearly able to lock
the wheels).
And while better "brake pedal feel" is certainly a good thing, how is it
produced by the reaction arm? I don't see how the two are related.
That is probably a poor chose of words on my part as "brake pedal
feel" can mean a lot of different things. In my case, The force I
have to apply to the brake pedal during normal driving is way less
then what was required on my OEM system-to me that feels better.
The disk
Chuck who is extremely happy that someone developed the reaction arm
system
Gary Casey
Wishing I had a reaction arm system, but I don't
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