Vehicle "rise" while towing.
Have towed for years with various vehicles. And have always followed the general rule of levelling the tow vehicle front, back to pre-tow hookup. In fact, I just read through most of the Sticky at the...
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Equal Squat to rough-in at home.
The ancient formula is 1/3-1/3-1/3 distribution.
CAT Scale to confirm Steer Axle same Solo or Towing.
(Scale numbers are placeholders).
The percentages matter, not what you “think” is okay (hundreds of pounds removed),
since road-going dynamics can create gigantic shifts in force.
That long lever from TT axles to ball (and next from ball to Drive) need all
the help they can get to reduce force applied at ONE point.
SAE is captive engineering. Reflects what $$$ wants.
J2807 isn’t a standard as one can drive a pickup thru it.
NO ONES BEEN ABLE TO REPLICATE the so-called “understeer”.
How do 5’ers/GN load the Steer Axle? 100%
If the TV is a pickup and isn’t at around 50/50 BEFORE HITCHING,
you bought the wrong tow vehicle. (Too much
unused rear spring capacity on a pickup
is part of what makes them lousy tow vehicles).
Mines near GVWR before I hitch. Its 1,100-TW is what cars,
minivans and SUVs do fine with. 425-450/lbs per TV axle
isn’t a burden. Load vehicle type accordingly.
Let go of wheel at 55. Stays on rails for a long three count?
Stops faster from 30-mph hitched than TV solo?
PRESERVATION of Solo steering “action” matters. Degree &
Duration of steering input in emergency is where it goes hinky
TV tires to scaled axle load. Get AT ALL very much above that
to get back that feel is how the 90% finish WDH rigging failure.
Get out and test it. (TT tires to sidewall max).
.
The ancient formula is 1/3-1/3-1/3 distribution.
CAT Scale to confirm Steer Axle same Solo or Towing.
(Scale numbers are placeholders).
The percentages matter, not what you “think” is okay (hundreds of pounds removed),
since road-going dynamics can create gigantic shifts in force.
That long lever from TT axles to ball (and next from ball to Drive) need all
the help they can get to reduce force applied at ONE point.
SAE is captive engineering. Reflects what $$$ wants.
J2807 isn’t a standard as one can drive a pickup thru it.
NO ONES BEEN ABLE TO REPLICATE the so-called “understeer”.
How do 5’ers/GN load the Steer Axle? 100%
If the TV is a pickup and isn’t at around 50/50 BEFORE HITCHING,
you bought the wrong tow vehicle. (Too much
unused rear spring capacity on a pickup
is part of what makes them lousy tow vehicles).
Mines near GVWR before I hitch. Its 1,100-TW is what cars,
minivans and SUVs do fine with. 425-450/lbs per TV axle
isn’t a burden. Load vehicle type accordingly.
Let go of wheel at 55. Stays on rails for a long three count?
Stops faster from 30-mph hitched than TV solo?
PRESERVATION of Solo steering “action” matters. Degree &
Duration of steering input in emergency is where it goes hinky
TV tires to scaled axle load. Get AT ALL very much above that
to get back that feel is how the 90% finish WDH rigging failure.
Get out and test it. (TT tires to sidewall max).
.
