Thanks for the that very helpful!
I have a spreader bar at the moment, the eyes are screwed over the spreader tangs which attach to the bar. I had assumed the bar would take all the inbound force as a compression load and the fulls would not be effected.
I was more worried about the eyes.
I did watch this video
https://www.youtube.com/watch?v=tUK8d4igCL0 and he attached the jib bridle to the hulls directly by drilling holes in the bow, not keen on this idea.
speed633 wrote:
Horizontal forces can be calculated as follows:
F1*(tan(θ1)/tan(θ2)=F2
F1 is the original horizontal force on the bridal wire tang.
F2 is the horizontal force with the new bridal wire angle.
θ1 is the factory bridal wire angle, measured to a line running between the bridal wire tangs on the hulls.
θ1 is the new bridal wire angle
The Upward force component will not change.
If you go from 30 deg to 5 deg (nearly horizontal) you will see your horizontal forces increase by a factor of 6.7.
If you go from 30 deg to 2.5 deg, horizontal forces will increase by a factor of 13.2
To sum up, you will likely rip out the tangs from the hulls. or break something else. I would not recommend doing this...