1965LONEWOLF
lonewolf
- Joined
- May 13, 2006
- Messages
- 469
Which hitch will have more down force ? Hitch length will be the same. Let me know your thoughts , thanks guys .
If the hook is at the exact same point, nothing will change.
If the angle of the chain is altered in any way (higher/further back hook), it will slightly change.
You can also multiple downforce by moving the effort closer to the pivot point and further away from the hook point. Most hitches are a class 3 lever.
In a class three lever the resistance is between the force of the effort and the fulcrum. In a class three lever the force of the effort multiplied by the distance of the effort from the fulcrum is opposite and equal to the force of the resistance multiplied by the distance of the resistance from the fulcrum. The effort and the resistance are on the same side of the fulcrum but point in opposite directions.
-Fe × de = Fr × dr
I think you just lost over half of you audience. LOL:clap::clap::clap:
Yea especially I have seen many don't understand statistics and probability. LOL
Exactly, the force of the sled vectors are determined by the angle of the chain, usually 33*. If the hook point and height of the hitch are the same the down force vector is is the same. The only way you can change that is to adjust the pivot point to hook point angle.
If the "draw bar," in this case a "reese" style hitch, pivot point is the same for both hitches, the angle will remain the same as long as the hook point is the same height and length from the pivot point.
You can also multiple downforce by moving the effort closer to the pivot point and further away from the hook point. Most hitches are a class 3 lever.
In a class three lever the resistance is between the force of the effort and the fulcrum. In a class three lever the force of the effort multiplied by the distance of the effort from the fulcrum is opposite and equal to the force of the resistance multiplied by the distance of the resistance from the fulcrum. The effort and the resistance are on the same side of the fulcrum but point in opposite directions.
-Fe × de = Fr × dr
It's all about the vectors. LOL
Actually, that would be statics, but whatever. It's all about the vectors. LOL
26" hitch height is the limit, i assume picture one would have more down force due to higher bolting point , but i'm no brain child and only understand English .
Thanks Tinkertoy1st one..