simon
Famous Member
During disassembly, I bent the step up piston of my carter RBS.
Fearing possible metal fatigue, I spent some serious time on turning me new stepup rods, taking the measurements of the original unit.
This is the closest I can get:
Whatcha think, good enough?
though I am pretty close to the original measurements you can see that I haven´t worked equally well on the shank…
To my understanding, the piston is not subject to shear forces, but mostly axial forces (and maybe some torsional moment due to fuel flow).
I don´t want to have to pull over one day just to find part of the stepup piston broken off and causing trouble.
Fearing possible metal fatigue, I spent some serious time on turning me new stepup rods, taking the measurements of the original unit.
This is the closest I can get:
Whatcha think, good enough?
though I am pretty close to the original measurements you can see that I haven´t worked equally well on the shank…
To my understanding, the piston is not subject to shear forces, but mostly axial forces (and maybe some torsional moment due to fuel flow).
I don´t want to have to pull over one day just to find part of the stepup piston broken off and causing trouble.
