Boat Lift, Hydraulic Cantilever
Hello. I could not find any threads where members were discussing hydraulic lifts. I just moved onto a river and I upgraded from a '91 Malibu DD to a '12 XLV. I have my eye on a new hydraulic cantilever boat lift. The specs for the lift I am looking at are this: 4800#,2 Hydraulic cylinders, 10' bunks, 41" lift height. All this for $5500 brand new. Has anyone seen or used a hydraulic lift like this before? It is made by Feighner.
The dry weight for the '12 XLV is only 3600# but I have read that it is likely more than that and I will have gear in there as well. Is there a thread on here were members are talking about what capacity lifts they are using. a 5800# lift is $7700 because it has 4 hydraulic cylinders. I am hoping to save $2200 by getting the 4800# lift.
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Cantinlever boat lift - Water level MATH.
That is a good point you make about the water level. The level is pretty steady during the summer as it is controlled by a damn. I have been working through the math again and again. The highest water level last year was 373 ft and that was during a super rainy spring with a lot of run-off (see attachment). The lowest point on the boat would need to be at this height to keep it entirely dry. If the boat goes as high as 373' and the lift has a rise of 41.5", then the lift would bottom out when the bottom of the boat is at 369'6.5". For the boat to float when the bottom is at 369'6.5", the water level would need to be 371'8.5", due to the draft of the XLV being 26". This is higher than the target level of the river. GRRR. The regular season high for the water was only 372'. If I use 372' as the highest level for the bottom of the boat, then the boat would be able to float off the lift when the water level is 370'8.5" which is just above the minimum target water level going into September. I am guessing the running gear is about 8" below the hull of the boat. Therefore, when the boat is all the way up, the hull would not be in the water until the water reached a level of 372'8".
I have some more thinking to do. Does anyone care to comment?
Attachment 26562