Thursday, May 17, 2012

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Stone Grinding & Waxing Services

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Boulder Nordic Sport is a full-service ski shop offering premium stone grinding, ski and waxing services at our retail locations in Boulder, CO and Portland, Maine and now at events with our traveling race service shop, BNS Mobile.  Top racers from across North America send their skis to us because we do the best quality work in the country.  Have your skis prepared by the pros and see how much better they go!

BNS Mobile

BNS Mobile - Professional Race ServiceThe BNS wax crew hits the road in our new rig, BNS Mobile, pushing our goal of providing World Cup Service for Everyone at events across the country.  BNS Mobile travels to races offering professional race waxing services and a mini-BNS store. It serves as a base for our testing and waxing operations and is a great resource wherever you are headed.  Visit the BNS Mobile page for more information, including event schedules and the latest test results and wax recommendations.

Stone Grinding

Stone grinding flattens the ski base, removes burnt and damaged base material and provides important micro-structure.  Bottom line, it makes your skis faster and easier to wax.  We have advanced Tazzari stone grinding machines set up in our Boulder shop.  Skis can be dropped off at our Boulder, CO or Portland, Maine stores.  If you are shipping skis to us, please ship directly to our Boulder store.  Click this link to see our Stone Grinding Menu and Service Schedule/Lead Time.

Hot Box Wax Treatments

Saturate your base with wax for durability and glide.

Basic Saturation $19: Basic Saturation involves applying a very soft paraffin wax to the ski and placing it in the heat box for 90-120 minutes at a temperature of about 55 degrees Celsius (131F). This ensures excellent saturation of the base. The skis will need to be hardened with colder wax for the appropriate conditions.  This hardening can be done with 2-3 layers of ironed-in wax or hot box treatment.

Extreme Saturation $29 (Recommended): This is a two-step process with the first step being application of a very soft paraffin which is placed in the heat box at low temperature (50-55C) for a long time (6-12 hours).  The skis are scraped and a harder paraffin wax is applied followed by the heat box at 60C for approximately one hour.  This second step is still very safe for the skis, but the temperature but may hasten any inevitable movement of the base away from dead flat.  We notice that some skis, especially older models, tend to get concave tips and tails after heat boxing, even after grinding.  The same thing will happen over time and with ironing, but the heat box may accelerate the process.

This treatment will saturate the base and then harden it to a level where it can be race-waxed with high-temperature fluoros and cold waxes.

Race Ready $49: Extreme Saturation plus finish with the specified Swix race wax (LF, HF or HFBD).  The skis are saturated, hardened and then two layers of LF/HF are applied, scraped and brushed, leaving the skis ready to race or for application of Swix Cera F pure fluoro.  Cera F treatment can be added for $20.

Race Wax Services

BNS wax techs offer race waxing services out of the shop and on-site at several events each winter.  We can prepare your skis for any race, just bring them in and we'll get them ready to go.  $39 for High-Fluoro (LF & HF Layers) and $85 for pure fluoro (LF, HF + Pure Fluoro). 

Weekly Nighthawks race special: $15 for a race prep LF wax.  Drop your skis off any day by 3PM and pick them up the next day after 2.
  

Wax Recommendations

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World Masters Recap and wax recommendation for March 11 Classic Race

Categories: Announcements, Event Reports, Shop Blog, Wax Reports | Author: SuperUser Account | Posted: 3/10/2011 | Views: 1481

 

Wax Recommendation for Friday's Classic Race:

Glide Wax: 

  • SkiGo LF Graphite, Scrape, brush well with fine steel
  • Holmenkol Matrix Red or Swix HF8, scrape, brush well with fine steel
  • Powder: Holmenkol Matrix Mid for early starters, SkiGo C22 for late starters.  If possible, wait to apply powder until race morning when you see the weather.

Kick wax: be prepared to be flexible. Prepare for the possibility of hard wax, klister and zeroes/hairies.  We will be working testing kick wax at the start, but expect it to be moving quickly.  We will have the ability to prepare hairies for those that do not have zero skis, but we probably will not have enough capacity to handle everyone.

Masters World Cup – Silver, Star British Columbia – Nathan Schultz

I arrived in Silver Star straight from the World Championships in Norway.  Luckily, the conditions were pretty easy from the start and on the first day I hit the ground running with information from Mike Mappin of Canmore Nordic Sport and the crew at Stussi Sport, who had been testing all week.  The weather had been pretty stable with lows of -7C and highs of -4C for several days, with constant snow flurries and high humidity/fog.  Since I didn’t have enough time to get my feet under me and do race service on the first day, I figured I would get a good feel for the conditions by jumping in the 10km skate race myself. 

My ski fleet was limited to a cold pair and a warm pair, and I waxed them both up with Holmenkol Matrix Red, tested them out against each other, made my race pick, and then powdered up the race skis quickly with Holmenkol Mid Powder and then applied Mid Block with a hand cork. It took me about 35 minutes to test skis and get them race ready, but I still only managed to get a 10 minute warm-up in, which made the race pretty painful.  I was nervous applying the Mid Block, because the humidity and temperature seemed to call for warmer solutions, but everyone assured me that that was truly the best option due to the sharp, new snow crystals.  I had good skis in the race, and I learned quite a bit by talking to the athletes that finished around me to see what they had used.

I wrapped up my race and went out and tested paraffin waxes in preparation for doing ski service in the upcoming races.

Day Two: Rest Day

I used the rest day before the relay to test paraffin waxes, structures, fluoro powders and blocks so I would be ready to make some fast skis for clients in the upcoming races.  We are pretty spoiled at BNS, with 40 pairs of test skis, and usually testing is pretty easy – we take a fleet of 8 out with paraffins, and a fleet of 8 out with powders.  With only 5 pairs of test skis with me, I had to wax all of the paraffin skis, then zero them out with the same wax, apply fluoro powders, and then go test those.

With the unusual snow conditions, I tested things all over the map to try to figure out which direction to search for the killer wax that would make people really happy.  In the paraffin test, it results were strange: there were two groups of successful options: the Reds and Greens, and the blue range was terrible.  It seemed that there were two thing to fight: sharp snow crystals and high humidity.  The best solution was going to be harder waxes with high fluoro content.  Holmenkol Matrix Red and Swix HF8 were both testing well.

In the powder test, cold powders were destroying everything else.  SkiGo C105 and Holmenkol Mid Powder were far superior to everything else I tried, and since I had good results on the Mid Powder the day before, I felt that was a solid choice.

Day Three: Relays

The relays were exciting and challenging.  I tested kick wax and found that I really liked Guru Green and Swix VR30 was also good, which was bizarre given that the snow was -5C and humidity was 95%.  The challenge was that many skiers didn’t have the perfect flex skis and were not able to kick those combos, so we had to find solutions that gave people enough kick but were not too slow.  A common choice was Swix VR40 covered with VR30 or Guru Green.

As the skating races approached, glide wax became my focus and I tested rub-on fluoro blocks since the race was only 5km.  Holmenkol Mid was once again winning with SkiGo C105 close behind.

After the race I tested fluoro powders again and SkiGo C105 had switched up and become the new leader.

Day Four: Distance Skate Races

Things got a bit more exciting Thursday morning with ridiculously high humidity, fog and snow temps were hovering at -5C when I showed up at the venue at 7:30AM.  I was waxing for 11 people including myself with start times at 9:00AM, 10:00 AM and 10:50AM.  I waxed everyone’s skis with SkiGo LF Graphite, then Holmenkol Matrix Red.  For my early starters, I had applied the C105 fluoro powder the night before.  I got the to the venue and set up, then brushed all of the early starters’ skis.  I then went out and tested fluoro powders.

The air was so wet that you could feel it while skiing, so I expected that some of the warmer fluoros would come into play.  The C105 was still the clear leader, so I went back and started focusing on testing hand structure.  Skiers started filtering in and trying out their skis.  Most people came back feeling that their skis were a bit draggy, so I applied the Holmenkol cross structure tool and a C105 block application.  This made everyone happy and the headed off to their starts.

I went back out to test fluoros again, thinking that it had probably turned to warmer fluoros.  The warmer stuff was better, but still the cold fluoros were clearly winning.  I was working with Mike Mappin and we were both really flustered, feeling like it was going to change, but not willing to take the risk and apply something on race skis that was terrible right now, but would probably be really good in 30 minutes.

The sun came out and things turned quickly.  I warmed up my 10AM starters skis with a SkiGo C22 block and some heavy hand structure.  I then did up new test skis with Holmenkol Warm Powder and sent one of the athletes out to test it against C105.  He came back 30 seconds later and said “there is no comparison the Warm killed it”.  I sent him out to compare SkiGo C22 against the Warm powder and meanwhile organized all of the race skis I still had to finish.  We had 35 minutes before the start and when I got the call that C22 won the test, I went to town, powdering skis with a bunch of racers standing around looking anxious.

I cranked through all of the skis with powder, and then brushed each pair, applied the Holmenkol structure tool, then corked in a layer of C22 solid by hand.  The skiers grabbed their skis and took off to the start, I pulled my race skis down and did them up and then ran over to the start.

SkiGo C22 is amazing stuff when it gets wet. I started in the back group of my race and was in about fifteenth place when we hit the first little downhill.  I got into a tuck and flew up to the leaders and went by them like they were standing still. One of the athletes whose skis I had waxed was right behind me and started yelling “I think you nailed the wax.”  So it was a fun day and all the hard work pays off when you have skis that are so good you laugh.



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