What is rudder stuffing box?
What is rudder stuffing box?
Edson’s Stuffing Boxes combines a rudderpost bearing with an above-the-waterline stuffing box for rudderpost sizes ranging from 1” (2.5 cm) diameter to 4-1⁄2” (11.4 cm). This makes the post a structural bearing and will help carry rudder loads with minimal friction. …
Can you repack a stuffing box in the water?
Repacking May Be Necessary Over time the packing will wear, and no amount of adjustment will prevent more water than desired from entering the boat. Although it’s possible to change the packing with the boat in the water, we recommend against that. Do it with the boat on the hard, especially if this is your first time.
What is a rudder packing?
Most rudder ports are nothing more than traditional bronze stuffing boxes mounted in a vertical position over the boat’s rudder post. They use a simple packing nut to compress packing material around the shaft. Once the packing nut is adjusted, the locking nut is tightened to prevent the packing nut from coming loose.
How do you pack a Marine stuffing box?
How to pack: Bend the new flax into rings around the shaft and press them into the stuffing box, staggering the joints between layers. Retighten the packing nut to compress the flax around the shaft and slow the water drip rate. Proper compression allows about two drops per minute.
How do you tighten a rudder stuffing box?
Tighten the gland nut to the packing and give it another quarter or so turn into the packing. Articulate the rudders to their full extent left and right several times and re tighten the gland. Repeat moving the rudder and tightening until no leakage then tighten the lock nut up to jamb the gland nut.
How do you repack a stuffing box?
How to repack a traditional stuffing-box type stern gland
- Unscrew the cap.
- Remove the old packing.
- Wrap new packing several times around the shaft and hold it tight.
- You can now repack the gland.
- You can now screw the cap in and tighten it against the locknut.
What is the difference between stuffing box and mechanical seal?
Mechanical seals reduce power consumption when compared to gland packing. On average the majority of gland packing consumes 6 times more power than a balanced mechanical seal. Running rotating equipment with packing in the stuffing box is like driving your car with the hand brake on.
How long does rudder packing last?
i know you can replace the drive shaft one in the water how about the rudder? You should not have to remove anything but the packing nut to repack it. If a rudder stuffing box is packed correctly it should last for decades with occasional tightenings.
How often should a stuffing box drip?
Adjusting. Water is required to lubricate conventional packing, so a properly adjusted stuffing box can be watertight when the shaft is stopped, but it must drip when the shaft is turning. Two or three drops per minute are adequate.
How do you pack a rudder without damaging it?
Because the rudder turns slowly, friction and heat are not a problem. Packing (i.e., waxed-flax packing like that in traditional stuffing boxes) can typically be tight enough to stem all leakage, and lubricating it with heavy water-resistant grease will reduce friction and leakage.
What are the risks of using a stuffing box?
With the great performance come some cautions and risks. This particular stuffing box is a 1 inch stuffing box and uses three rings 3/16 flax packing. These two surfaces, where the shaft and packing meet, tend to polish each other smooth, and if over tightened, can lead to premature shaft wear or excessive heat.
What are the parts of a stuffing box?
The thin one on the left is the locking nut and the big thick nut on the right is the packing nut. This photo shows the threaded male end of bronze stuffing box and the packing-nut or the female end of the stuffing box separated from the male end. The white PVC pipe on the left is my dummy-mock-up of a vessels fiberglass shaft log.
Who makes the stuffing box hose on top?
The stuffing box hose on top is made by Buck Algonquin. Buck Algonquin a US manufacturer of quality bronze packing boxes and other drive-line components.