Aluminum docks with adjustable screw legs

[see-ray]

Want to get @50' of dock that I can set in place and leave there/adjust as needed as water level lowers during the season. That led me to look at 16' sections with adjustable screw legs. At first, seemed like a good idea but now concerned about how the adjustable legs on these docks hold up over time. They are $300-400 each and the convenience won't be worth it if they lock up/break every 5-10 years.

Surprised to find no mfr that describes the quality/construction/materials/maintenance of their screw legs. Seems like an obvious potential failure point, and know that mixing water with multiple alloys (ie: galvanized and alum) is recipe for failure. Did find a reference that in 2007 Floe stopped using steel and went to aluminum for their threaded rod.

See that Hewitt has winch/cable/pulleys, but wonder how trouble-free that design is over time (binding when slides on rails?).

Anyone have long-term experience with the above adjustable docks? (10+yr?).
The legs are apparently packed with grease? Is there normally a grease fitting, or disassembly required annually to grease?

Are these docks as convenient as advertised, or should I just get the standard sliding "tube in tube" with locking bolt?

I'm in NY if any recommendations for mfr. There's the big mfrs like ShoreMaster, and found there's also many regional mfrs.

Thanks for your time.

 

[David Young]

Sounds like a lot of work If i was fortunate enough to be in your situation, i would do a floating dock and be done with it. I'm sure they are others who know more about this than me

 

[see-ray]

Anyone? Buehler?
Floating dock not an option at this location.

 

[NHGuy]

How much does the water drop? On our lake we normally set wood docks so they are just above high water. Every couple of decades there's a flood and the lake has full pool no wake.
But if the water only goes down a foot or so you can leave the dock at one height. Do you lose a lot of water each year? What do your neighbors do?

 

[see-ray]

Drops between 1-2'. Everyone has alum docks.
I will buy an alum dock.
Q is regarding the option of adustable screw legs,.
Any perspective on that appreciated.
Thanks for your time.

 

[Bondo]

Ayuh,.... With changin' water levels, it's tough to beat a floatin' dock,....

Self-adjustin',....

 

[see-ray]

Floating dock does not work for this location.
Q is regading the option of adjustable screw legs.
Any perspective on that appreciated.
Thanks for your time.