11-22-2018, 06:03 AM
|
#54
|
|
Site Team | Emeritus
Join Date: Dec 2015
Location: Kansas City
Posts: 3,878
|
Quote:
Originally Posted by dbear
The fulcrum is actually the truck rear axle. The formula to calculate the resulting force at the front axle is F1*D1 = F2*D2, where F1 = FA unloading, D1 = truck wheelbase, F2 = trailer pin weight (downward force), and D2 = hitch to RA distance. Solving for F1 = (F2*D2)/D1. Guessing a 5er weight of 15K# with a 3K# pin weight. Using your truck wheelbase (176”) and hitch 6” aft of RA, the resulting unloading of the front axle would be around 102#.
|
And there you go. Thanks.
__________________
Chip Bruce, RPh
Kansas City, MO
2016 Impact 312
2017 Silverado 3500HD SRW
|
|
|