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*** Official Fin Thread ***
- Thread starter retodd
- Start date
I'm all about the big rears too <img src="/forum/images/graemlins/wink.gif" alt="" />
Both of my Bulkley boards work so good with the same sized fins both front and rear I wanted to see what a similar setup would work like in my Springfish- and I was rewarded with stock
Didn't even consider it. Too much work. I'm just excited not to have to glass anything.
I'd rather pass on the badge of honor and still have my fins. Bamboo experiment over until I get lokbox and some 101s. Sticking with G10. I don't care about the extra weight. I can't do airs, anyway.
I'd rather pass on the badge of honor and still have my fins. Bamboo experiment over until I get lokbox and some 101s. Sticking with G10. I don't care about the extra weight. I can't do airs, anyway.
Learn to use your fin area properly and you wont want the flex of bamboo.
With G-10 you can retain the energy longer through each maneuver
maximizing each maneuver.
With G-10 you can retain the energy longer through each maneuver
maximizing each maneuver.
I'm not sure how I can learn not to break fins. Just not use PC and bamboo anymore? I don't know why my Stretch PCs cracked. The tabs are solid glass. Inside foil?
Greg,
I just emailed you about getting a middle fin for my new Coil M80. My friend wants a quad set, too.
I prefer turns (even if they're lightweight trims)
I just emailed you about getting a middle fin for my new Coil M80. My friend wants a quad set, too.
I prefer turns (even if they're lightweight trims)
I can't get out of the single fin rut after all these years. Hank Byzak and Dale Dobson came up with this fin on a board Hank did for me about 15 years ago. Unfortunately, I included the board with the woodie when I sold the woodie about 5 years ago.
the fins for this board
rtm , inside foil , wooohooo
http://www.stretchboards.com/boards/surfboards/twin-fin.php
http://www.stretchboards.com/contact/
rtm , inside foil , wooohooo
http://www.stretchboards.com/boards/surfboards/twin-fin.php
http://www.stretchboards.com/contact/
Soooooo, shortly I am going to be glassing on some homemade wood fins of mine.
Keel fins on a 5'11" fish.
I've glassed on fins before as shown on my homemade red fish:
Anyhow, I made the two keel fins with a layer of three-ply, 2 oz resin impegnated glass, and then another later of three-ply, foiled them.
Turned out not too shabby, but far from great, and actually, I ended up erring on the side of "not chasing perfection"...then when I looked on the clock wall, 2 hours had passed in about 5 minutes. <img src="/forum/images/graemlins/tongue.gif" alt="" />
I think I have the fin placement down ok, but what I am most curious about is the lay-up schedule.
I was planning on three layers of 2 oz per side, or two layers from base to tip and the 3rd layer only going up part of the way.
Then I thought, maybe a single layer of 4 oz from base to tip, and a layer of 2 oz halfway up from the base.
What do some of you smarter people than me think about any of these ideas? Perhaps something else completely?
Keel fins on a 5'11" fish.
I've glassed on fins before as shown on my homemade red fish:
Anyhow, I made the two keel fins with a layer of three-ply, 2 oz resin impegnated glass, and then another later of three-ply, foiled them.
Turned out not too shabby, but far from great, and actually, I ended up erring on the side of "not chasing perfection"...then when I looked on the clock wall, 2 hours had passed in about 5 minutes. <img src="/forum/images/graemlins/tongue.gif" alt="" />
I think I have the fin placement down ok, but what I am most curious about is the lay-up schedule.
I was planning on three layers of 2 oz per side, or two layers from base to tip and the 3rd layer only going up part of the way.
Then I thought, maybe a single layer of 4 oz from base to tip, and a layer of 2 oz halfway up from the base.
What do some of you smarter people than me think about any of these ideas? Perhaps something else completely?
Glass-on wood/fiberglass keel fins:
If you going to do a flat side on the inside of the foil, Layup a about 10 or so layers of 6oz. on the wood.
Once the panel is cured good and hard, usually a day and a half (don't try and cut the stuff when the glass lay-up is still rubbery)layout you templates and cut you fin plugs out. Get the foiling them and you'll have a nice glass bead all the way around the perimeter of the fin. Grind to about 120 grit to get nice clean edges on the foil perimeter.
Tack you fin in the board with a little Lam. resin along the base a tape them to the exact cant and toe in you want. I like 2 degrees of toe in and 1/8" toe in.
From 6oz. cloth cut three football shaped piece for each side of the fin base (total of twelve football base support piece. Cut a couple of full size ~ plus ~ pieces for each side of the fins (total of eight shell lamentation pieces)
Cut a four lengths of roving a couple inches longer than the fin base with one end taped to hold it together.
Soak the roving good and squeegee it with you gloved finger.
Place the base support piece on first on either side and follow with the shell. Do all this with lam resin.
You can trim around the perimeter of the fins when the resin gets rubbery with a razor blade.
Hot coat the whole thing and sand it out.
Stay Stoked, Rich <img src="/forum/images/graemlins/socrazy.gif" alt="" />
If you going to do a flat side on the inside of the foil, Layup a about 10 or so layers of 6oz. on the wood.
Once the panel is cured good and hard, usually a day and a half (don't try and cut the stuff when the glass lay-up is still rubbery)layout you templates and cut you fin plugs out. Get the foiling them and you'll have a nice glass bead all the way around the perimeter of the fin. Grind to about 120 grit to get nice clean edges on the foil perimeter.
Tack you fin in the board with a little Lam. resin along the base a tape them to the exact cant and toe in you want. I like 2 degrees of toe in and 1/8" toe in.
From 6oz. cloth cut three football shaped piece for each side of the fin base (total of twelve football base support piece. Cut a couple of full size ~ plus ~ pieces for each side of the fins (total of eight shell lamentation pieces)
Cut a four lengths of roving a couple inches longer than the fin base with one end taped to hold it together.
Soak the roving good and squeegee it with you gloved finger.
Place the base support piece on first on either side and follow with the shell. Do all this with lam resin.
You can trim around the perimeter of the fins when the resin gets rubbery with a razor blade.
Hot coat the whole thing and sand it out.
Stay Stoked, Rich <img src="/forum/images/graemlins/socrazy.gif" alt="" />