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Skis in the sun-cheap man's hot box?

post #1 of 18
Thread Starter 

Now that it's finally summer here in Upstate NY I thought I'd try something I've been meaning to do for years-leave my race skis (with a good coating of base prep wax) in the sun on the black driveway. Did it yesterday, but was at work during the hottest part of the day, so I didn't see if the wax melted or even softened. Looks like it did as there was some small debris in the wax. Anyone else done this? Seems like it should work and they shouldn't get hot enough to do any damage. I'm not a a level where a $$$ hot box is worth the dough, but hey, the sun is free!

post #2 of 18
Neat idea. Just don't back over them. That would be sad. (Said the guy who once drove into his garage with a $3,000 bike on the car roof.)
post #3 of 18
Quote:
Originally Posted by John V. View Post

. Looks like it did as there was some small debris in the wax. Anyone else done this? Seems like it should work and they shouldn't get hot enough to do any damage. I'm not a a level where a $$$ hot box is worth the dough, but hey, the sun is free!

 

yep,  with a digital tracking thermometer on them too.    they got up to 150F.     

You could probably do even better with a black tin box.

post #4 of 18

    Some guy was telling me that he put his skis in his black Thule cargo box on hot summer days with a thick layer of wax and that it worked well--he never checked the temp, though...

 

   I thought something that might be cool to try is putting your waxed skis inside of your car in the driveway--cracking the windows a bit for temp adjustments...but then I have access to a hot box whenever I need it.

 

     zenny


Edited by zentune - 6/26/13 at 6:54am
post #5 of 18

You guys missed the "Using a Car as a Hotbox" post, where a guy used his car as a hotbox.  I thought the greenhouse effect wouldn't raise the temperature enough, but was confirmed wrong in the last post:  http://www.epicski.com/t/95050/using-a-car-as-a-hot-box

post #6 of 18
Quote:
Originally Posted by zentune View Post

  I thought something that might be cool to try is putting your waxed skis inside of your car in the driveway--cracking the windows a bit for temp adjustments...but then I have access to a hot box whenever I need it.

 

     zenny

 

I was just thinking of an A- frame stand like a kayak storage unit, with a clear PE tarp over it. 

post #7 of 18
time for some experiments, fellas! biggrin.gif

zenny
post #8 of 18

Just let me know what your address is and when you plan to leave your skis out in the driveway while at work next and I'll come by to check and make sure they don't get dust on themdevil.gif

post #9 of 18

About a month ago I put my skis out on the deck bases up for about 1.5-2 hours.  Temp was mid-80s with clear skies, so they got uninterrupted sun.  Wax definitely heated up and melted.  I noticed the topsheets also got quite warm, much warmer than when I wax with an iron.

 

I have read that one needs to be careful not to overheat the topsheet because it can degrade the epoxies and cause the topsheet to de-laminate.  Don't know what that threshold is, but for now they look fine.

post #10 of 18

What's the target temp for a hotbox?

post #11 of 18

120-140F

post #12 of 18
Quote:
Originally Posted by TheDad View Post

What's the target temp for a hotbox?

 

Quote:
Originally Posted by cantunamunch View Post

120-140F

 

 

Quote:
Originally Posted by TheDad View Post

What's the target temp for a hotbox?

 

 

I try to keep mine at 125F.  When i was building it and testing with some old skis I let it get up to 150F .  Interesting effect on an old foam core X-scream......

post #13 of 18
weve been running 130F-135F...but most i know are unwilling to exceed 140.
p.s. hows it goin scotsskier? wink.gif

zenny
post #14 of 18
Quote:
Originally Posted by TheDad View Post

What's the target temp for a hotbox?

 

Depends on the wax. This is the chart that I've gone by for the past four seasons and I haven't had any issues whatsoever.

 

Wax Temperature Time (MAX)
CH10 135 12 Hours
CH8 140 8 Hours
CH7 145 6 Hours
CH6 154 3 Hours

 

And just as a note, all of the skis that go in are wood core racing skis. No consumer/rec skis get CH7 or harder in the hotbox, only CH10/8.

post #15 of 18

We place the skis next to the fireplace, let the base heat up, and apply wax that goes on smooth.

post #16 of 18
Interesting. I have a PID controller that I could hook to something. Might have to play with it.
post #17 of 18

Just for the hell of it, I built a 2'x2'x8' box out of 3/4" plywood and painted it black. I placed a meat thermometer inside the box and left it on the saw horses, in direct sun, all afternoon to dry.It was roughly 82 degrees with clear skies in the OC. Within 2 hours I checked the thermometer and it read 135 degrees, 2 hour after that it read 138 degrees. I need to get a more accurate  thermometer, but I think this may work perfect for my purposes. YMMV.

post #18 of 18
Quote:
Originally Posted by TheDad View Post

Interesting. I have a PID controller that I could hook to something. Might have to play with it.

Yes, I used a PID on mine. Took quite a bit of playing about with to get it set up.
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