I have a couple of them, and they work great!
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Are they fastened to the building?
Located in a wooded area, heavily loaded, and right against a shed, the rack is unlikely to be affected by wind or anything similar. Bears, earthquakes…?
Tsunamis
No, the reason I asked, is that how wobbly a PVC boat rack is,with all of its fittings, without being fastened to a building or a fence.
Having run a restaurant service company for over 45 years, I’ve found that most quality PVC fittings fit together surprisingly tightly even before gluing. If you dry fit them too tightly, they can be sometimes be hard to get apart again. Some companies installing condensate drain lines in walk-in refrigerators where yeast can grow and block the lines just dry fit some of the fittings so they can be disassembled for easy cleaning. Being under no pressure they generally fit together so well that they don’t leak. Cheaper and easier than using Fernco fittings.
All that being said, if I were not planning to move the rack anytime soon or needed it to be disassembled to move it in the near future, I would glue all of the fittings. If the fittings were tight enough dry fit and the rack was not moved too much loading and unloading the boats, it might be fine without gluing. A single fitting loosening up would not likely cause a catastrophic collapse and could be tapped back into place. If not glued, it would be a good practice to check the joints periodically.
Yes I did. That day you recommended, still have yet for response
All of that is duly taken into consideration or an owner of a rack constructed that way can grab one of the horizontal supports in the middle, shake the rack and tell me how much wobble there is. Actual mechanical performance, not theory.
No, they are freestanding. They won’t budge.
That is what I wanted to know, with all the fittings, it does not wobble?
Okay since I started this mess, I do not know what is going on with @PaddleDog52, but put in a search where you search the forum and put in “@PaddleDog52 Tarps” and read the whole threads for information and suggestions on tarps. In the third thread that comes up, the lead post in the search is by @PaddleDog52 where he states where he gets his tarps. This ought to help you out.
Thanks
mjac
Mine doesn’t wobble.
Well, I guess @rstevens15 was right, I was expecting some looseness. Sounds like PVC makes a very solid boat rack, for a nominal amount of money that doesn’t look bad either.