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davidbrady · (This post was last modified: 10-20-2014 14:02 by davidbrady.)

Hey Al,

I did some quick back-of-the-envelop scribbling. Here's what I have:

1) LXi w/o bike on carrier: 50,000lb.
Steer: 16K
Drive: 21K
Tag: 13K
Center of gravity: 15' 4" behind steer axle

2) LXi with 1500 lb bike on carrier: 51,500 lb.
Steer: 14.7K
Drive: 23.8K
Tag: 13K
Center of gravity: 16' behind steer axle

Remember, the tag axle is pressure regulated and is set to a specific and unchanging pressure regardless of whether the bike is present. This means the tag load doesn't change whether the bike is there or not. (Unless you physically get under the coach and turn the regulator knob).

Ridewell tells me your drive axle is rated at 25K lbs so your okay there. None of the other axles are overloaded either. 23.8K lb on the drive air bags (divided by four airs springs) is 5950 lb per air spring which is well within the limits of the air spring. According to my charts, to achieve this load at design height the air springs require around 85 psi, again well within spec.

There's no reason for me to believe that the bus isn't capable of coming up to full ride height whether stationary or exiting a turn. You're well within specs. It's something else: either faulty or incorrect height control valves or problems with the steer or drive axle panhard rods.