Any ideas on why each of my hulls are 90 #'s instead of 60#?

I read on here that each H16 hull should be about 60 pounds. I weighed mine the other day and they were closer to 90 #'s each. They are original from 1989 and have no delamination spots. They both did have some hull leakage when I first got them so I wonder if the foam inside (from what i understand there are 2 large foam blocks in there) could have soaked up a bunch of water? I would hate to cut inspection hatches in the good fiberglass just to see whats going on in there. Any other reason why they could be heavier then normal? I cant find any abnormal repairs that would add 30#'s.

The current 320 lb Hobie 16 has hulls that weigh about 70 lbs (each) on average.

The real key is the all up weight. I suspect that a 1989 is a bit over 320 from the get go.

Yes, water absorbed into the glass and foam blocks would add weight. Tip the boat bows up so any excess water can drain over time. A hatch access can better ventilate the hulls. Hanging a light bulb into the hull can help speed the process.

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Matt Miller
Former - Director of Parts and Accessory Sales
Warranty and Technical Support
Hobie Cat USA
(Retired 11/7/2022)

All that paint and primer that you're talking about in the other thread will add a few pounds too.

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Just curious.... how did you weigh the hull?

Strip all the big hardware off, but leave the tangs, shroud attachments and gudgeons. Obviously, the tramp frame is off.

Weigh yourself on a bathroom scale.

Weigh yourself holding the hull on a bathroom scale.

Difference in the weights is the weight of the hull.

Thats exactly what I did.

i had a set of hulls that were around 80# each... they were in pretty bad shape... i came across some 1982 hulls that were sound and am using these now they weigh just under 70#
look at these old posts
viewtopic.php?f=14&t=12891

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•Present boat -1998 Hobie 16 Solana Sails furling jib[/size]