Author Topic: Roof transport in summer  (Read 2218 times)

spirit4earth

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Re: Roof transport in summer
« Reply #15 on: March 17, 2019, 11:41:01 AM »
Would reflective material be even better than white?  I’m wondering if there’s a way to rig a reflectix top cover.

rbgar

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Re: Roof transport in summer
« Reply #16 on: March 17, 2019, 01:42:21 PM »
Would reflective material be even better than white?  I’m wondering if there’s a way to rig a reflectix top cover.

Saw a study that shows white is the best

mrbig

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Re: Roof transport in summer
« Reply #17 on: March 17, 2019, 01:51:24 PM »
Have a bag with reflective shiny. Totally unscientific, but real world experience, revealed that it was hotter. Shiny up sizzle. Shiny down made in the shade.
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clay

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Re: Roof transport in summer
« Reply #18 on: March 17, 2019, 04:21:52 PM »
My 2 cents is stay away from bungee or elastic straps. 

I drove through Sacramento summer heat and traffic on the way to Tahoe and when I arrived I had 4 crushed rails where the straps touched the corners of the board.

I have used these same straps all winter and summer on the Nor Cal coast with no issues.
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JimK

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Re: Roof transport in summer
« Reply #19 on: March 18, 2019, 08:18:27 AM »
Gotta PLUS1 to Clay Those straps (bungee) are dangerous I had several (like 3) have them fail and destroyed more than 3 boards. I highly discourage there use for highway driving

JImK
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mrbig

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Re: Roof transport in summer
« Reply #20 on: March 18, 2019, 08:36:03 AM »
Padded locking  straps. Never fail. Don't have to make them crazy tight. You can lock for serious protection or not.
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Bean

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Re: Roof transport in summer
« Reply #21 on: March 18, 2019, 08:37:53 AM »
Thats a good PSA Clay and Jim.

For anyone who is not quite sure about what might have happened to Clay's board here is what I would assume happened.  As Clay gained altitude on his way to Tahoe (into thin air) his board was loosing pressure at a much slower rate than the surrounding air.  In effect, due to the decreased outside air pressure, the board balooned and crushed its rails against the tie downs.  (although, it could also have been temeprature related)

Most decent tie downs combined with proper rack pads will give you just the right amount of stretch to handle slight pressure changes, whether altitude or temperature related.



spirit4earth

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Re: Roof transport in summer
« Reply #22 on: March 18, 2019, 09:16:11 AM »
Thats a good PSA Clay and Jim.

For anyone who is not quite sure about what might have happened to Clay's board here is what I would assume happened.  As Clay gained altitude on his way to Tahoe (into thin air) his board was loosing pressure at a much slower rate than the surrounding air.  In effect, due to the decreased outside air pressure, the board balooned and crushed its rails against the tie downs.  (although, it could also have been temeprature related)

Most decent tie downs combined with proper rack pads will give you just the right amount of stretch to handle slight pressure changes, whether altitude or temperature related.

I wouldn't have thought of that!

mrbig

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Re: Roof transport in summer
« Reply #23 on: March 18, 2019, 12:44:57 PM »
+1 Jim K. Bungee cords very dangerous i.e. unsafe at any speed!

Or am I the only one, besides Jim, who has seen multiple boards flying around from failing, or stretching, bungee cords?

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Bulky

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Re: Roof transport in summer
« Reply #24 on: March 18, 2019, 01:22:13 PM »

I do worry about “lift off”!  So the Kore Dry covers are sufficient for keeping the boards protected from the sun?  How do you secure them on the board so they don‘t come off when they stretch due to rain?

How do you use the V-bars with your flat boards?

I've never had a problem with a Kore Dry cover coming off.  If sized correctly the elastic is plenty strong.  And since it's under the tie downs it wouldn't go anywhere even if it did some how lift off.

I know black boards can look really cool, but I just don't get it.  They can get so hot even just sitting on the sand...
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spirit4earth

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Re: Roof transport in summer
« Reply #25 on: April 06, 2019, 11:23:26 AM »
The roof rack on my Fit has the bars spaced only 30” apart.  That’s not much of an 11’ board.  When I carry kayaks, I loosely tie the bow and stern.  What about a board?  How could I secure the front so I t doesn’t fly up and snap in half?

Wetstuff

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Re: Roof transport in summer
« Reply #26 on: April 06, 2019, 11:59:29 AM »
s4e...  I wouldn't worry too much, the forces able to break the board likely would also be giving your car the 'fits'.  I had a young lady buy a practice shell from me a few years ago.  Her first drive with it on her roof was 500+ miles back to Buffalo NY.  I made her a bridle so the boat would not start to 'helicopter' at 70mph  ..and a couple of other bits. 

I do not think you would need anything as complete but, I'd be happy to make you the front hood bits and a cinch if you rode fin-forward   ...a freebie, 'friend of the forum' discount, so I don't break any advertising rules. (besides, I am not interested in making more)

Jim



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Wetstuff

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Re: Roof transport in summer
« Reply #27 on: April 06, 2019, 12:03:04 PM »
The 'attachment' process confuses my Mac.  I cannot see a preview, so do not know whether an attachment works or no?





Jim



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Night Wing

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Re: Roof transport in summer
« Reply #28 on: April 06, 2019, 12:16:37 PM »
@ spirit4earth

I have my old Thule kayak roof racks with two, 58" long steel bars. These racks (with bars) are fitted to the roof of the cab of my 2001 Chevy Silverado. From the outside edge on one steel bar to the outside edge of the second steel bar, the distance is 29".

Over these two steel bars, I have a pair of 42" soft roof rack pads that fit over both steel bars so they don't cause any damage to my 11'1" board. I place my sup deck pad side down on the soft roof rack pads so my fins stick straight up towards the sky. The tail end (with fins) of my board is over my windshield.

The two tie downs I use to secure the board to the steel bars are a pair of Kanulocks. I cinch the straps of each Kanulock "snugly" so the board does not move, but the straps aren't "strangling" my board either. If you tighten the straps too tightly, you can damage the rails of the board

I have no problem going down the highway to Surfside, Texas with my 11'1" sup, traveling the 117 miles from my home to Surfside, at a speed of 70 mph.
« Last Edit: April 06, 2019, 12:22:20 PM by Night Wing »
SUP Sports Hammer: 8'11" x 31" x 4" @ 140 Liters
SUP Sports One World: 11'1" x 30" x 4.5" @ 173 Liters

Night Wing

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Re: Roof transport in summer
« Reply #29 on: April 06, 2019, 12:20:26 PM »
The 'attachment' process confuses my Mac.  I cannot see a preview, so do not know whether an attachment works or no?

It isn't your Mac. The "Zoner" site does not show previews of photos, when it comes to attachments, so you will never see a preview. This is a flaw (or bad design) in this forum's software.
SUP Sports Hammer: 8'11" x 31" x 4" @ 140 Liters
SUP Sports One World: 11'1" x 30" x 4.5" @ 173 Liters