REV install

Holy exhaust tube!!!

haha i know hey! and i still set them back fairly far....

that was my other question, would you guys put something between the exhaust and the glass or will it be fine? i was thinking of cutting a tin can to use as a mold for the glass, that way there is a bit of a pocket between the glass and the pipe, any thoughts?
 
Location
edmonton
once you have them all glassed in you'll be suprised how solid they are, just remember if u decide to put more foam in and plug ur hull drain ur in a real world of hurt because that part of the foam is open to water so it will soak up the water, i didn't foam, i just trimmed back the original foam with no problem, but i'm also not hitting monster surf of anything, and i cut a piece of doubled up tin foil across the exhaust and then glassed over that
 
I poured 2 part behind my last set of holds and when I ripped them out to de-foam this winter the 2 part was even wetter than the stock foam. The curves of a foothold provide it with alot of strength once it's all glassed in. Put a layer or 2 of 8oz over it if you want to take some extra pre-caution.
 
kay all good advise, but i pull ALL of the foam out around the foothold. Like, from the back rail all the way to the front of each hold. So each side is basically half the foam a stocker would have.........still ok not foaming?
 
I foamed my 750 and my SN
see for yourself:

SN
http://www.x-h2o.com/threads/28797

750
http://www.pwctoday.com/f72/750sx-freeride-build-98287.html

3 years on the 750 build, two on the SN
holding up strong and dry (light)

both great threads! but......u did exactly the opposite of what everyone else is saying!

my concern is the size of the gap between the bottem of my hold and the tray, not sure if it's larger then normal, definatly a half inch gap in some spots. i was going to use wax paper/duct tape/bricks, then foam that area to get a base for the glass, sand/grind it flush then glass!
 
Location
edmonton
be careful that u don't get the foam where ya don't want it i heard about ppl trying putting ping pong balls in for buoyancy really tight rather than foam sounds a little weird tho
 
be careful that u don't get the foam where ya don't want it i heard about ppl trying putting ping pong balls in for buoyancy really tight rather than foam sounds a little weird tho


The foam in the sxr isn't so much for strength as it is buoyency. However, unless the ski cracks and lets water in the foam isn't doing anything. The air tight compartment will float the ski on its own, but the foams an extra precaution. Ping pong balls has been throw around as well as 2 litre bottles w/ 2 part around them, but most people are using polystyrene or styrofoam now. None of these add as much strength as 2 part, so the sides and bottom have to be reinforced. I believe the sxr is either styrofoam or polystyrene. Same thing with footholds, you either need to use 2 part foam, or reinforce.

The two part for that people pour behind the holds is simply for strenth. The oinly part that really needs the extra strength is the bottom (underneath the hold. If you have a gap there you run the risk of cracking it. I would reinforce the holds and call it a day.
 
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Alright, so i'm definatly leaning away from using the foam, as i had no idea about the access it would have to the drain plug, and i deffinitly didn't block anything there off, and the holds are already glued and sanded/shaped in......not about to go ripping them out.

So i guess i'll just do a bit of foam under the hold and the glass the crap out of it!
 
quick question, i used biaxial to do all the edges of the holds, and for the second layer i was using just a marine grade matting i had kicking around. Is this stuff always such a PITA to work with epoxy resin? i try to keep the epoxy as warm as possible when putting it on, but i still end up pulling a bunch of the matting apart when smoothing it out with a brush, any tips?

Second question is, would i be ok to do my final layer with cloth? so iw ould have a layer of biaxial, layer of matting, then layer of cloth? And would you guys wrap the entire hold in glass (keeping in mind revs are quite thin), or just do three layers on the bottem, two on the edges and call it a day, also keeping in mind i'm not foaming.
 

tom21

havin fun
Location
clearwater FL
I am not sure what 2 part foam you all are using but the stuff I get is flotation foam its used to fill under the deck of boats. comes in 3 types. 2lb, 4lb and 8lb. I believe that a 1' cube will weigh the 2,4,8 when poured. obviously you can see that each expands at a different rate. the 8 is more dense and takes more to fill that cube. its hard as rock especially when compared to 2lb. If I am not mistaken it will also keep more weight bouyant than the 4 or 2.

this foam should not be holding water, it should takes years for it to degrade to that point. water can be in the open, damaged cells or in void around the outside because it shrinks back sometimes. but it should not absorb water like it seems people are saying.

Now the great stuff will hold water.

and last chopped mat has a binder that is disolved by the esther resin and not by epoxy. you can use it but its not recommended.

chopped glass is generally stronger but not flexible, cloth is more flexible and would take a lot more layers to get the same stiffness as the chop.

you should always coat your foothold installs completely with a few layers of resin, handlaid glass always has pinholes that will allow water into the foam.

:beerchug:
 
Some more progress, i haven't been workin on it for awhile since its been so bloody cold here! can't afford to keep the garage heated haha.

So they are all glassed in, just waiting for some more materials to come in and she'll be turfed and ready to go!
 

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