Frame Stiffing to reduce Porpoising?
Got a question for you seasoned drivers with older rigs. I have a 1999 F350 Dually Quad Cab Long Bed. I've been driving it for thousands of miles and for the most part, it's been fine. However, while ...
Forum Discussion
valhalla360 wrote:mbloof wrote:
Interesting abet comical thread - frame flexing.
If one were to do some Youtube searches you'll likely find videos where trucks from "the big three" are all driven on/over grossly uneven terrain and the frame flexing/twisting (or NOT!) of each OEM was shown and documented.
Generally speaking some OEM's are worse than others and some years are better (and worse!) than others.
- Mark0.
Yes, frames will flex but big difference between a low speed off road once in a while vs repeated 2inch flex for hundreds/thousands of miles cruising down the freeway
Look up fatigue loading failures on google to get an understanding. In a fatigue failure, the item typically looks and operates perfectly fine...until it doesn't. Most of the damage is microscopic and internal to the metal until it finally gives way.
Do you think we should be a little more accurate about how much the frame is actually flexing. How far from the frame is the cabover section of camper? Guess 4 feet or more. 1/8 inch of frame flex would make for 6 inches of movement. And that does not include any flex in the camper itself.
