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Messages - sflinux

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106
The Shape Shack / Re: Repair Advice
« on: March 29, 2022, 06:36:36 PM »
I agree with Beasho, if you have large bubbles, the solution wasn't mixed well enough, or you added too much water.  You would be surprised at how little water is needed.  I now use a dropper, usually 2 drops is plenty for a tablespoon of glue.
If you are on a budget, harbor freight has a rotary tool that mixes/whips glue/water well. 
https://www.harborfreight.com/power-tools/rotary-oscillating-tools/rotary-tools/07-amp-rotary-tool-kit-80-pc-63235.html
The harbor freight tool sucks for cutting though (and is not compatible with dremel accessories), get a dremel if that is your need.

107
Gear Talk / Re: New longboard in my future
« on: March 28, 2022, 09:45:59 PM »
I have always enjoyed the longboard.  I surf rather than sup when it gets crowded, or if it gets too choppy.
My two cents, width is your friend.  For your height, look for at least 23.5” wide.  Look for a board with volume equal to your weight, or more.  Stewart Redline 11 has a good reference for height & weight. 
https://stewartsurfboards.com/collections/redline-11
Surf simply has a volume calculator which is handy. 
https://surfsimply.com/volume-to-weight-calculator/
For my height and weight, an 8’ board does not feel like a longboard, not enough rail for my taste.  I have had a lot of fun on the Catchsurf 9’ Plank, great fit for my height/weight.
The inexpensive foam boards have symmetrical fins, which are flimsy and feel slow.  I do prefer the Jerry Lopez over the wavestorm.  Perfect Storm Fins sells stiff assymetrical twin fins or a single fin replacement for soft boards.
https://www.perfectstormfins.com/
Check out Rob Case surf paddling coach.  He has some good tips for prone paddling which will prevent shoulder injury. 
https://www.youtube.com/c/RobCaseXSWIM/videos
Eric Goodman has some videos on prone decompression which help train you how to properly lift your head from a prone position to minimize neck pain.
https://www.youtube.com/watch?v=vmhu-yZGY_A

108
The Shape Shack / Re: Gorilla glue diy pour foam
« on: March 19, 2022, 08:38:09 AM »
I recently came across this video of where Jimmy Lewis shows off the design idea of his sandwich contruction:
https://www.youtube.com/watch?v=1aLI-QIfnjU
I like the idea of a surfboard shell being able to support a load.
I suspect the PSH bamboo did not have a layer of fiberglass under the bamboo.

109
General Discussion / Re: Locking tie-down straps, DocksLocks?
« on: March 15, 2022, 08:16:02 PM »
I agree with Bean.  I had SPL for 7 years, then replaced with Kanulock (so far so good).  The keys are better with Kanulock.  My opinion on Kanulocks is they are not ideal for wet/rainy environments.  I am of the opinion that the inner metal rusts and degrades with time in these conditions.  I freshen the lock with T9 Boeshield.  I am also of the opinion that Kanulocks webbing is not uv stable and gets brittle over time.  I freshen the webbing with 303 UV protectant.  When it rains, I switch to standard webbing tie downs:
https://www.youtube.com/watch?v=u4QOMAJvAAU
In addition to what Robert does, I tie an extra knot around the bar, then put the extra webbing inside the car, and tie a knot on the webbing near the door frame.  The idea if the latch mechanism fails, the knots will hold it secure.  Plus is makes it harder to steal. 
The Kanulocks keep honest people honest.
I looked into the Dockslocks and was interested in purchasing them.  I don't know if the design has changed, but I found reviews where the Dockslocks are easy to defeat without any tools.
If you want additional security, and if your board has a center fin box, you can use something like the Fin Box Lock, coupled with a Master Lock Python.
I have had a similar experience as Bean.  I use Kanulocks to park during the day and leave boards on my racks while I am in the water.  But I remove boards from my car when I get home, unless it is a board that I don't care about.  At night, it is just too easy of a target.
But these days, a thief may be more likely to steal your catalytic convertor.

110
This is a good read by Theodore A. Talay:
https://practicalaero.com/wp-content/uploads/2010/04/NASA-SP-367.pdf
Quote from: JohnnyTsunami
"So, once you have the power to get to the high speed, the lower AR wing is superior in terms of top speed and low drag”
You lost me here.  A low aspect ratio has benefits at low speed.  At low speeds all forces are low.  At low speeds you can adjust the angle of attack to increase lift with a low stall speed.  At high speeds, drag forces become important.  Low aspect wings have excessive drag with change of angle of attack.

Quote from: JohnnyTsunami
“This is why fighter jets have short fat wings and gliders have crazy high AR wings”.
Fighter jets have shorter wings to be agile and for the wings to be structurally sound to support the g forces.

Lower aspect ratio has benefits at certain speeds:
“Substantial increases in the critical Mach number occur when using an aspect ratio less than about four. However from previous discussions, low-aspect-ratio wings are at a disadvantage at subsonic speeds because of the higher induced drag.”

It would be interesting to see how mach speeds translate to hydrodynamic speeds, as water is 1000 times more dense than air.

111
The Shape Shack / Re: Gorilla glue diy pour foam
« on: February 19, 2022, 07:48:34 AM »
Paper towel and regular gold Gorilla glue will NOT fill voids correctly.  You need to whip it up.  See this video again.

Gorilla glue that hasn't been cured with moisture Inside and Out will create its own bubble inside the matrix.  If you test it in a dixie cup and then CUT the foam you will see what I am talking about.

https://www.youtube.com/watch?v=UgZ3A3igBbY
After many attempts with gorilla glue, I am now of the opinion, that the more water you add to gorilla glue, the softer the foam.  Initially, I was attracted to the stiffness of corn starch/gorilla glue.  But in hindsight, I see it was because I was adding less water.  I was ok with adding less water because I was assuming the gorilla was extracting water from the corn starch.  I was initially hesitant that gorilla glue would set with a drop or two of water.  But if you use Beasho's whipping technique, it gives a very firm foam with minimal voids.  After playing with corn starch, I believe gorilla glue without corn starch is a superior foam, especially for marine applications. 
I wanted to ask what tools are recommended for cutting excess gorilla glue.  In the above video, it looks like a japanese pull saw.

112
The Shape Shack / Re: Gorilla glue diy pour foam
« on: February 19, 2022, 07:40:48 AM »
So tomorrow i will bed in the foil box with Gorilla Glue.
It is a big surface but a very tight fit.
I am not sure how to go about it,i have played with the water&dremel method and it cures fine but rises rather quick.

What is the best way to apply it in this (foil box) situation?

-Do i mix a batch with water and brush it on so it will cover the bottom&sides and then push the box in?.My worry is that i will not be quick enough before it starts to get gooey.

-If i just pour it covering the bottom as much as possible will it expand and come out the sides by itself?.Here i fear it pooling in places and leaving others bare.

-Another option would be to brush it neat and  thin all over the cavity, mist-spray with water and put the box in.

Thx for any tips, i have not found vids of people doing this.
https://www.youtube.com/watch?v=1pIipnNehic

114
SUP General / Re: Kailoa paddle cut down
« on: February 13, 2022, 04:41:46 PM »
I watched Joe Blair cut my paddle.  Wrap the shaft with painters tape.  Cut with a handsaw.  Use 5 min 2 part epoxy.  Tape the handle from keeping it from moving.  Let the epoxy set when the handle is on the ground.
With this handle, you might have to drill out the handle as it looks like it tapers.

115
General Discussion / Re: Do helmets lead to neck problems?
« on: February 13, 2022, 12:11:25 PM »
This is a new helmet on my radar.
https://simbasurf.com/why-helmets/
It has a gladiator "look" to it.  Garrett McNamera looked to be wearing one in the film the 100 Foot Wave.  I talked to a guy in the line up wearing one and he said they are comfortable.

116
General Discussion / Re: wetsuit seam repair
« on: February 06, 2022, 04:45:07 PM »
Don't forget to put the Aqua Seal in the freezer when you're done.
I use to do this when I had access to a chemical freezer.  Now I clean the cap and threads good.  Wrap with tape.  Put in a ziplock bag.  Put in a plastic container.  Then put the plastic container in a glass jar closed tightly.  This seems to work.  The idea is to prevent evaporation of the toluene.  Toluene is not something that you want in a food freezer.

117
Wingsurfing, Windfoiling, Wingfoiling, Wing SUP / Re: protection gear
« on: February 06, 2022, 04:25:24 PM »
Accidentally wore impact vest surfing over the weekend (wind dropped, so packed my wing gear and drove over to ocean side in my wetsuit and forgot to take off my impact vest before heading out with surf SUP) and one down side: it makes your core really hot if you are up on a SUP and don't flush with water much.
Beasho got me into impact vests:

I wear an Oneil impact vest all the time.  I broke some ribs laying down a motorcycle and another time when a wave slammed my 11' SUP into me.  The good thing is you can wear a thinner suit, so a 4/3 -> 3/2, 3/2 > 1mm Short Sleeve, 1mm SS -> boardshorts.  I love wearing a 3/2 or thinner.  To make your wetsuit last longer, you may want to go up one size (assuming impact suit is worn under the wetsuit).  I have found that besides air/water temperature, sun versus overcast affects how warm I get in a suit.  In the winter on a sunny day, I can wear a 3/2.  Where an overcast winter day, I may feel more comfortable in a 4/3.  Wind chill is another variable, I normally dress warmer while kiting.
Big fan of Gath. They are expensive, but they last.  I just had to retire one that I bought circa 2005 where the front foam ripped out.
The other protection that I like to wear now are impact shorts.  I got mine off of amazon (best seller).  I wear them under my suit.  I fractured my sacrum sliding out on a freeboard (6 wheeled skateboard meant to feel like a snowboard) at a walking pace.  It took 12 months to heal. 
With the impact vest, helmet, and board shorts, I can go over the falls and land on my board, and usually not break any skin.  Note: They don't fit under my fitted 1 mm SS suit, so I wear them over, and wear boardshorts on top.
For kitefoiling I use the original Rush Randle hydrofoil which I nickname the machete.  I wear a lacrosse helmet for full face protection.  I don't use this foil in the surf, flat water only.  The early years of kite hydrofoils saw a lot of face trama, where a full face helmet was advantageous.    Full face river helmets are a lighter option, but more expensive.

118
Random / Storing stinky gear
« on: February 06, 2022, 01:31:44 PM »
I got to the point that I don't want to smell surf gear in my vehicle  This is the the solution that I came up with, Rubbermaid Action Packer:
https://www.rei.com/product/634286/rubbermaid-action-packer-8-gal
https://www.youtube.com/watch?v=s21c6i47lP8
For now I am mainly storing my booties and less than fresh rash guards, along with misc other gear.  The 8 gal can easily fit the Neosport Explorer boots (and all of my other foot gear).

With SUP/surfboards it is challenging to use storage boxes on top of the vehicle.  I looked into getting a hitch and hitch storage but the price started going up fast, whereas this Rubbermaid Action Packer fulfills the job of keeping my vehicle from getting stinky.
I still hang dry my gear, but put the booties back in the action packer to keep odors down.
I like using limestone neoprene products in the winter as they dry much faster.

119
General Discussion / Re: wetsuit seam repair
« on: February 01, 2022, 08:12:04 PM »
Aqua seal works.  You can also use wetsuit seam tape which is iron-on, but adding a little bit of aquaseal helps.  For small tears or pin holes, I have used wetsuit neoprene cement.  Any wetsuit repair voids the warranty.

120
General Discussion / Re: Do helmets lead to neck problems?
« on: January 31, 2022, 10:22:12 PM »
You want a helmet that fits well and is streamlined.  For surfing I like Gath.  I wear mine in all conditions with no adverse affects.
If you don't want a hard helmet you can try a rugby helmet, Tom Carroll started wearing one after hitting the reef at pipeline.  Tom has some good tips here:
https://surfmastery.com/podcast/010tomcarrollbigwave
One of his tips is wearing inflation & ear protection. 
I like wearing helmets, I always seem to hit my wear with my board whenever I don't wear a helmet.
I have yet to see the downside of wearing a helmet, other than the "uncool" factor.
I have never had neck strain with a Gath.  The only time I had neck strain with a helmet was with a flyaway skateboard helmet while kitesurfing.  I hit my head, the helmet acted like a parachute scooping water, while my kite pulled me one direction, and the helmet pulled me the opposite direction, leading to a choking affect.  Stretch Riedel broke his neck windsurfing wearing a Protec skateboarding helmet.  Stretch survived 20 min being paralized with his face submerged in water.  https://surfsplendorpodcast.com/347-stretch/
With kitesurfing I have learned to lead a fall with an arm, to break the water tension.  I think I subconsiously bring this into my surfing too.
I've always wondered what are the negative attributes of wearing a helmet in big wave surfing.

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