pu under 9'

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laceys lane
laceys lane
QLD
19804 posts
QLD, 19804 posts
12 Feb 2010 9:49am
does a sub 9' board really have to be epoxy. i remember starting on ron house's and then gerry's with stringers and traditional glass feel. when ever i tried an epoxy board i used think they felt weird and didn't sit right. but then sort of accepted them. after getting into some waves of half decent size lately, i'm wondering do the sub 9' need to be epoxy. surely they could be a glassed in pu without being stupidly heavy. i surfed the 8'4 naish again this morning and keep thinking i'm part of the wave again instead of just riding on top of the water
cheers
goatman
goatman
NSW
2151 posts
NSW, 2151 posts
12 Feb 2010 11:12am
I reckon it depends on a couple of things, such as the type of waves you want it for and the 'style' of surfing you want to do.

You will never get a super light PU core board with the amount of volume required for a SUP. Personally for high performance surfing in average waves light is the go I reckon.

Sure in decent waves with a bit of push, light weight is not such a factor.

PS: I reckon the Naish would feel more a part of the wave because it is less buoyant than your other board.
CMC
CMC
QLD
3954 posts
CMC CMC
QLD, 3954 posts
12 Feb 2010 10:15am
I agree Lacey, as much as I love the weight and design of the Woody I really miss the feel of the PU DMS. Even with the added length it went places on the wave that the extra floatation of the EPS will not go. Shortboards had the same problems with EPS.

My ultimate would be the same board in light PU with Epoxy glass. Best of both worlds.

Goaty, I think it's possible to make the current PU blanks at least 15-20% lighter. They are blown at Mal densities now. When you make them lighter you essentially make them more buoyant. Add a light glass job and you will be back at a relational weight to a shortboard per size and volume.



goatman
goatman
NSW
2151 posts
NSW, 2151 posts
12 Feb 2010 11:47am
I would love a lightweight core that doesn't suck water - infact I made Goats for a couple of years with extruded polystyrene, but even these were too heavy compared to M grade polystyrene.

If the expoxy/styrene boards feel too floaty, the answer might be to get the volume right. Don't epoxy surfboards require slightly less volume?

Personally I want my next 'comp' board to be around 6 kilo's (without fittings). I did the whole weight thing with goatboats for 20 years and light is the go for high performance surfing in average surf.

However, if someone could make me a PU board under 7 kegs I would be more than happy to ride it though
laceys lane
laceys lane
QLD
19804 posts
QLD, 19804 posts
12 Feb 2010 2:33pm
goatman said...

I reckon it depends on a couple of things, such as the type of waves you want it for and the 'style' of surfing you want to do.

You will never get a super light PU core board with the amount of volume required for a SUP. Personally for high performance surfing in average waves light is the go I reckon.

Sure in decent waves with a bit of push, light weight is not such a factor.

PS: I reckon the Naish would feel more a part of the wave because it is less buoyant than your other board.


the naish 8'5 is floaty enough,i would say i have about the same amount of water over the board as my 8'8 when i'm standing on it.what has me thinking is the same thing cmc said. i've never had a epoxy board that sits in the pocket that well- that almost getting into a barrel position. the epoxy just doesn't wont to be there imo. incomparison over the last few surfs, the epoxy is just about always trying to get away from you. i have found with those rh boards and the naish setups you can go as hard as you like
cmc, do you think a pu blank and epoxy glass is the go

the subject is interesting
goatman
goatman
NSW
2151 posts
NSW, 2151 posts
12 Feb 2010 3:47pm
laceys lane said...

the naish 8'5 is floaty enough,i would say i have about the same amount of water over the board as my 8'8 when i'm standing on it.what has me thinking is the same thing cmc said. i've never had a epoxy board that sits in the pocket that well- that almost getting into a barrel position. the epoxy just doesn't wont to be there imo. incomparison over the last few surfs, the epoxy is just about always trying to get away from you. i have found with those rh boards and the naish setups you can go as hard as you like
cmc, do you think a pu blank and epoxy glass is the go

the subject is interesting


I'd say it has more to do with the shape than the construction.

My epoxy loves the pocket and no has probs pulling into and out of the barrel.

Wide tails are less effective for barrel riding for example.
laceys lane
laceys lane
QLD
19804 posts
QLD, 19804 posts
12 Feb 2010 5:01pm
goatman said...

laceys lane said...

the naish 8'5 is floaty enough,i would say i have about the same amount of water over the board as my 8'8 when i'm standing on it.what has me thinking is the same thing cmc said. i've never had a epoxy board that sits in the pocket that well- that almost getting into a barrel position. the epoxy just doesn't wont to be there imo. incomparison over the last few surfs, the epoxy is just about always trying to get away from you. i have found with those rh boards and the naish setups you can go as hard as you like
cmc, do you think a pu blank and epoxy glass is the go

the subject is interesting


I'd say it has more to do with the shape than the construction.

My epoxy loves the pocket and no has probs pulling into and out of the barrel.

Wide tails are less effective for barrel riding for example.


yeah, going narrower for sure. my tail is small, but the outline to it is quite curvy, will be looking at losing some of that.i still think there is something there in construction or feel to be looked at
cheers
lookielookie
lookielookie
QLD
347 posts
QLD, 347 posts
12 Feb 2010 7:54pm
8'3 x 30. burford PU blank. deck 4X4. bottom 6oz. 8.5 kg. Super strong. No Rail shaters.
Me 6' x 95 kgs. Had a nice neutral feel in the water.



Only problem with PU is your limited to 2 half decent blank sizes. Old wind surfer molds with inserts. If it doesnt fit your shape, your done.
Was talking to a chemical engineer at work a few weeks back. he was experimenting with a new form of PU with the same weight and strength, equivalant to a "s" grade epoxy. Not surfboard related.
Would heve been interesting to get a sample blank!!!!!
laceys lane
laceys lane
QLD
19804 posts
QLD, 19804 posts
12 Feb 2010 8:24pm
laceys lane said...

goatman said...

laceys lane said...

the naish 8'5 is floaty enough,i would say i have about the same amount of water over the board as my 8'8 when i'm standing on it.what has me thinking is the same thing cmc said. i've never had a epoxy board that sits in the pocket that well- that almost getting into a barrel position. the epoxy just doesn't wont to be there imo. incomparison over the last few surfs, the epoxy is just about always trying to get away from you. i have found with those rh boards and the naish setups you can go as hard as you like
cmc, do you think a pu blank and epoxy glass is the go

the subject is interesting


I'd say it has more to do with the shape than the construction.

My epoxy loves the pocket and no has probs pulling into and out of the barrel.

Wide tails are less effective for barrel riding for example.


yeah, going narrower for sure. my tail is small, but the outline to it is quite curvy, will be looking at losing some of that.i still think there is something there in construction or feel to be looked at
cheers


this is a bit of a laugh, i've been talking to dale about my board, and piros has been on the blower about a gunnie shape and i went in to pick up my 17 for sunday and rod morgan(lifeguard, bigwave surfer and shape himself) dropped in and was talking about his 8'10 how good it is up to 3' and how he is having trouble over 3'. dale goes alright, alright- i'm getting it. so a 8 10 blank is going to be cut and we will all have some imput on some new curves for the back half of the board. will probably glass as standard- 26 oz top and bot in instead of lite weight. one thing at a time.so look out for some new good wave shapes from dc
cheers
ps looks like a board for over and under 3'. same lenght, different shapes
Bnaccas
Bnaccas
VIC
1722 posts
VIC, 1722 posts
13 Feb 2010 12:19am
I rekon PU tends to feel like you are more a part of the wave as they tend to bog down more when it's a bigger board like a SUP. Epoxy to me feels more like you are riding on top of the water. For this reason PU can sometimes handle bumpier conditions better.

I like that with EPS you can go smaller but maintain the speed and float a PU board seams to lack sometimes. The main characteristic that creates this in epoxy boards is the stiffness which is one of the reasons a lot of people in the US are using epoxy with PU (so I've heard). Are many shapers here in OZ using epoxy on PU blanks?
Piros
Piros
QLD
7303 posts
QLD, 7303 posts
13 Feb 2010 1:44am
That's funny poor Dale is getting hammered , I have stretched my 9-1 to 9-3 gun x 27 in PU . Dales computer is working overtime with all the new cyber shapes , it's amazing what one week of swell will do Sup shapes......bring on my charger.

Rob
lookielookie
lookielookie
QLD
347 posts
QLD, 347 posts
13 Feb 2010 8:54am
Piros said...

That's funny poor Dale is getting hammered , I have stretched my 9-1 to 9-3 gun x 27 in PU . Dales computer is working overtime with all the new cyber shapes , it's amazing what one week of swell will do Sup shapes......bring on my charger.

Rob


Dont forget to change your thickness and volume distribution for the diffrent densitys in foam and bouancy
laceys lane
laceys lane
QLD
19804 posts
QLD, 19804 posts
13 Feb 2010 9:11am
lookielookie said...

Piros said...

That's funny poor Dale is getting hammered , I have stretched my 9-1 to 9-3 gun x 27 in PU . Dales computer is working overtime with all the new cyber shapes , it's amazing what one week of swell will do Sup shapes......bring on my charger.

Rob


Dont forget to change your thickness and volume distribution for the diffrent densitys in foam and bouancy


dale was telling me he thinks about 10%. what do you do with the distribution lookielookie
lookielookie
lookielookie
QLD
347 posts
QLD, 347 posts
13 Feb 2010 9:57am
Im only going off what ive shaped for myself. and as you said. it depends alot on the rocker/rails and outline and then how you glass it
For my personal boards I worked off square litres on APS first. 95 kg - 135 lt PU. > 115 -120 EPS.
so yeah, 10%....
Always look forward to seeing your new boards.
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