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How Much Buffer on Lift Capacity


DAI

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Is there a rule of thumb for lift capacity?  I’m looking at a lift for my 2021 G23, which has a dry weight of ~6,000 lbs.  Would 7,500 lbs be enough?  I have 550 lbs of lead on board, which gives me just under 1,000 lbs buffer before accounting gas (~400 lbs) and minimal gear (won’t leave much on the boat since it’s at a private marina).

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i don't know of a rule of thumb, but you just described a 7000 lbs min case (dry + fuel + lead)...if you have a few coolers and a couple people inside as the lift goes up, you are over 7500 easy.  That said, I don't think at 7501 the lift will collapse, so probably a little margin and if the idle case is all gear at home i'd say you are ok.  for insurance/safety, i'd just get in habit of emptying boat before you lift rather than giving a large crew an elevator ride for fun.   If you think you may upgrade in the future, then i'd consider (i.e. get a quote) for the larger size just to see.

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21 minutes ago, CaptainMorgan said:

i don't know of a rule of thumb, but you just described a 7000 lbs min case (dry + fuel + lead)...if you have a few coolers and a couple people inside as the lift goes up, you are over 7500 easy.  That said, I don't think at 7501 the lift will collapse, so probably a little margin and if the idle case is all gear at home i'd say you are ok.  for insurance/safety, i'd just get in habit of emptying boat before you lift rather than giving a large crew an elevator ride for fun.   If you think you may upgrade in the future, then i'd consider (i.e. get a quote) for the larger size just to see.

Thank you.  Ideally I would go with a larger lift, it’s more an issue of what is readily available.

Definitely would not give elevator rides on the lift.  I don’t foresee more than 1 person on the boat when raising it or when raised (e.g., putting cover on).

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I have a 2022 M220 with a dry weight of 6200.  No lead but have a 7k lift and don't have any issues.  I think that is fine but definitely depends on lift maintenance.  My boathouse lift is an overhead type and the belt was slipping so now I'm in the habit of NOT stopping it once it lifts the boat b/c starting is the hard part.

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I think it depends on the lift brand.  I recently mentioned in another thread that Floe says it's only rated at 85%........so an 8000# lift should be able to handle a 6800# boat.  Something to do with equal weight distribution across the whole lift and how difficult that is to do with a boat.  When I was getting quotes some of the other brands that were rated at 7000 I specifically asked if that meant I could put 7k on it and it should be fine, and the salesman said yes, it would handle 7k no problem.  I guess I'd ask the sales guy or read the manuals.  If you buy new it should come with some sort of warranty as well to ease your mind.  Ever weighed your boat @DAI?   I put my 23 LSV on a CAT scale last week and I was surprised a bit.  According to Malibu it's a 5200# dry, plus trailer, batteries, full tank of fuel and I was only at 6520.  Made me feel good about what my lift should be able to handle.  When I get into my lift I only raise it up until it stabilizes the boat, then we unload people and gear (as others have mentioned) to keep from over-taxing the lift.  Doesn't take too many big dudes to get an extra 1000#.  

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Speaking from personal experience, we purchase a 2015 Axis that was well under our lift capacity. However, we didn't know or think about future boats. Fast forward, we traded the 2015 in for a 24' MXZ and it was significantly heavier. After purchasing the new boat, I wasn't too excited to fork over another 25k to upgrade the lift. Well, after this weekend, we had our screen lock up which indicated the ballasts were empty but they were not. So we lifted the boat about a foot out of water and the cable snapped. Fortunately we were off the boat and nothing was damaged. But if you think that you will always be perfect and make sure all coolers are off, people are out of the boat, ballasts are empty, think again. It happens to be the best of us!

We had a 5500lb boat, 1/2 tank of gas = 200lb, batteries and misc stuff = 300lb. In addition to that, we had the center ballast full and the front ballast 50% full. We were told by the dock guys that they do go over the rating from time to time and don't have problems. But we must have been 1000lbs over.

We are hoping to keep using the existing lift for the rest of the season and upgrade next year. But with talks of a 26' boats coming, I'd plan for the potential of a larger boat in the future. At that point, what's a little more poundage capacity? $2000-3000? Beats 25,000.

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