Extra long towbar instead of supertruss mod?
I'm considering towing a Jeep Wrangler, probably 4dr, with my rig listed here (weight 4000-4500 lbs). Is there such a thing as an extended towbar for towing a vehicle that's not real heavy in lieu of ...
Forum Discussion
jimh425 wrote:Kayteg1 wrote:
There is big difference between 18" and 48" extensions.
The bending forces are 7 times multiplied between the 2 and that's why you need superhitch for long one.
Can you explain your math? Also, why does it matter for flat towing?
You know it's been about 40 years since I study construction calculations and I moved to different trades.
So the 7 times was "shoot from the hip" but you are free to do you own calculations to compare.
Here is a link you might use
When flat toad towing brings less vertical stress to the hitch, my reply was intended for understanding how much difference extending the hitch makes in real life.
you can say that adding 30 more inches is not big length, but it makes whole new mountain in bending and shearing forces.
