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- Mar 23, 2019
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I just purchased a 2004 which came with a Sea Lion trailer and I'm upgrading the trailer axle.
The original axle is a V axle, it drops in the center, as do the cross members. Right now, in my driveway with the boat resting on the bunks the bottom of the hull is 8.5" over the bent axle, it's 5-1/4"" over where a straight axle would be. The front crossmember is 3-3/4", the rear crossmember is 4-1/4".
In other words, with a straight axle there will still be more clearance for the hull than on the two crossmembers. I understand the rear crossmember will be a bit deeper in the water and by the time the front of the hull reaches the front crossmember the rear is already on the bunks. Does the angle of attack dictate a deeper axle bend?
Is there any reason the axle has to be much lower than the crossmembers in front and back of it? I'd rather use a straight axle but can special order a bent if necessary.
thanks,
Rob

The original axle is a V axle, it drops in the center, as do the cross members. Right now, in my driveway with the boat resting on the bunks the bottom of the hull is 8.5" over the bent axle, it's 5-1/4"" over where a straight axle would be. The front crossmember is 3-3/4", the rear crossmember is 4-1/4".
In other words, with a straight axle there will still be more clearance for the hull than on the two crossmembers. I understand the rear crossmember will be a bit deeper in the water and by the time the front of the hull reaches the front crossmember the rear is already on the bunks. Does the angle of attack dictate a deeper axle bend?
Is there any reason the axle has to be much lower than the crossmembers in front and back of it? I'd rather use a straight axle but can special order a bent if necessary.
thanks,
Rob
