The tensioning is done by the Turnbuckle. While it will function just as well as the one shown above, the left hand threads serve no purpose.
We sometimes see Turnbuckle Rod drawings with one Clevis threaded left hand. A turnbuckle rod should have both Clevises threaded right hand. Rotating the Turnbuckle draws the two rods closer together or farther apart.įollowing this logic a Clevis Rod should have one Clevis threaded left hand. A Turnbuckle will always be threaded left hand / right hand. The Turnbuckle Rod works with the same premise but the Rods do not rotate. Rotate the Rod overhand away from the installer will move the clevises away from each other, relieving tension. In the Clevis Rod drawing shown below rotating the threaded rod overhand towards the installer it will draw the two Clevises closer, creating more tension.
The tightening is done by opposing left hand and right hand threads. The Clevis Rod and the Turnbuckle Rod offer the ability to provide tensile strength by increasing their tension as they are tightened.
