Water weight

Speedfreak

Speedfreak

Location
So. IL
Just thought I would post some disturbing news. We all know that wet foam weighs a lot. But I had no clue... I knew my ski was full of water because without a eyelet in the tray you could see that the hull had a small gap and that water would drip from that. So my plan was to defoam and install drain screws and leave it like that. I defoamed part of my ski tonight but before I done that I drilled a few small holes at the bottom of the hull to let water drain. I let the water drain for a day and got almost a gallon of water.

I started with a clean shop vac and started eating away at the foam through the exhaust tube and scupper valve hole. After I was all done (I thought) I weighed the water and the trash bag of wet foam. Here are the bad cell phone pictures. WOW is all I can say. The trash bag weighed in at 10.5 pounds and the water was just over 8.5 pounds. THAT IS 19 POUNDS.... Holey poop What a savings for 2 hours of work...

I ate a bit more foam out than the picture shows but left it like it is. I will finish the job when I get new foot holds and turf. But I should be able to feel a diference with just this.
 

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Speedfreak

Speedfreak

Location
So. IL
I will be installing new footholds some time. I am not sure when. I would like to wait untill winter but I really don't like the shotty turf job or the foot holds that are in there. We'll see how it goes.
 
sjetrider

sjetrider

615 Freeriders are addicted to T1 madness.
Location
in the 615 (Nashville)
Ask Skywalker how things worked out for him w/ no foam. One mishap and to the bottom she will go. I recomend foaming and sealing, then double sealing.
 
C

CarFanatic

Fiberglassing Newb
Location
Cincinnati, OH
where did u go in to de foam? I though most people had to cut out the tray??? I also dont understand if this is such a problem why yamaha doest change the design??
 
Matt_E

Matt_E

steals hub caps from cars
Site Supporter
Location
at peace
It isn't a big problem (for Yamaha). The vast majority still float even with waterlogged foam.
Yeah, it gets heavier, but what does Yamaha (and the average customer) care?
 
Y

yamaslut

Guest
CarFanatic said:
where did u go in to de foam? I though most people had to cut out the tray??? I also dont understand if this is such a problem why yamaha doest change the design??
Click to expand...

it sucks being less than 1% of the market...
no one even knows we exist... that does have it's ups though
 
C

CarFanatic

Fiberglassing Newb
Location
Cincinnati, OH
you think they could just put some drains in it or something. I just worried about mine getting wet. I sealed up the holes in the hull with 5200.. hoping thats enough. I bought the ski used though, the stickers were still over the holes. I think its ok though, cause it wasn't ridden much.
 
Mark44

Mark44

Katie's Boss
Location
100% one place
CarFanatic said:
you think they could just put some drains in it or something. I just worried about mine getting wet. I sealed up the holes in the hull with 5200.. hoping thats enough. I bought the ski used though, the stickers were still over the holes. I think its ok though, cause it wasn't ridden much.
Click to expand...

Dude it has water in it trust me.

Mark44
 
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