So, I've had my Sparx sharpener for just over a year now and I figured that, since we are at the start of a new season, I'd go ahead and post my observations, praise for, and, yes, gripes about my Sparx...
(TL/DR - It's an awesome machine. I'd almost definitely buy it again. That said, removing the cross-grinding capabilities from the consumer model was a horrendously stupid decision and I still struggle with getting the sharpener to go consistently high enough on the toes of skates.)
The Good:
Consistent edges. Every. Single. Time:
I simply cannot overstate how much this means to someone that (a) doesn't have access to consistent, predictable manual sharpening; and (b) relies on his skates to make a living.
Convenience:
As a coach, I am on the ice between 8 and 12 hours a week - sometimes much more, depending on private lessons, sticktime groups, etc. I also have a son that is on the ice upwards of 6 hours a week. Since I won't allow the guys that work at the rink shops to touch our skates AND I live over 30 minutes from the box stores (which don't do a good job, either); having access to sharpening on an 'as needed' basis is invaluable.
Ease of use:
I'm over 40 years old and I work full time as a hockey coach. I do NOT have the time to become an expert on a manual Wissota or Blackstone machine. I. Just. Don't. I'm willing to stipulate that someone that IS an expert on those machines MAY be able to give me a sharpen that is as good as, if not better than I get on my Sparx...but I don't have access to any of those guys and, since I have neither the time nor the inclination to become one of those guys, I love that I can give my skates a great sharpen without needing to invest an additional 30 years of my life towards mastering a manual machine.
Profile Maintenance:
I understand that guys that know what they're doing with a manual sharpener can properly maintain a profile, but guys that know what they're doing aren't available in Southern California...and the ones that DON'T know what they're doing can wreck a profile in 2-3 sharpens; so I love that having a Sparx means that the money I've invested in profiling my kid's steel wasn't wasted.
Portability:
This year alone, my Sparx has sharpened skates in California, Nevada, Arizona, Colorado, Utah, and Wyoming. THAT'S awesome!
Micro-Adjustability:
I love that, using the edge checker, I can really dial in perfectly even edges. It takes manual sharpeners hours of dicking around with their equipment to make sure stuff is lined up. I can do it in a couple of minutes with my Sparx.
No "Wheel Dressing" or Other Nonsense:
With a Sparx, you never have to ask yourself if 'it's time to dress the wheel'. You just sharpen your skates and get on with your day. Freaking awesome.
Additional Income Stream:
While I don't make a TON of money, the fact that I can save the hockey families that I work with from lousy (and expensive!!!) rink sharpenings while also making a few bucks isn't a bad thing....
The Not so Good:
No Cross Grinding Capability:
Dumping the cross-grinding ring was a monumental mistake by Sparx (are you reading this, Russ??? MON!YOU!MENTAL!).
Look, I get that the filter was getting clogged. I get that people were chewing through their steel. But when you have an even marginally damaged blade that you need to contend with, running 10+ passes with a $60.00 grinding ring is FUCKING IRRITATING!!!
Apologies for the cursing, but damnit, both the reasons that have been given for, and the practical effect of, the elimination of a cross-grinding ring are giant piles of solid waste from a male of the bovine species. Hockey is a rough game and edges routinely get damaged. The fact that I have to suck down 1/10th of a grinding ring's life when my kid goes feet-first into the boards ONE TIME just pisses me off.
No Provision to Attach a Shop-Vac (or other dust removal system):
I love the portability of my Sparx (see above...); but when it's in my garage at home, I'd ALSO love to attach my shop-vac to the system so that I can suck out all of the mess as it occurs.
"But the aiiiiiiir filter!" you say. Mmmmhmmm. My shop-vac has a HEPA filter. It works great. Plus, it has a huge amount of suction. This seems like a total no-brainer and one that should have been thought of when designing the machine.
(A note on the two above "Not so Goods". Yes, I could have purchased the PS100, but that runs at a $350.00 premium to the the ES100. Which is patently ridiculous...)
Getting the Wheel Consistently High Enough on the Toe:
I've dicked around with this to no end - toe right, toe left, goalie risers, no risers, small tip forward in the clamp, etc, etc, etc - I just can't seem to get the wheel to consistently hit where I want it to on the toe without a huge amount of chattering/jumping/skipping.
I understand hockey players don't skate on the toes of their blades...but we DO start on the toes of our blades and we have to trust that we have SOME edge on our toes so that we can start explosively and efficiently.
Doesn't Like Fancy 3rd Party Steel:
Part of the benefit of the Tuuk LightSpeed and CCM SB systems is that you can easily replace your crap stock steel with good steel (Tyden's etc...). However, good steel seems to burr horribly in the Sparx and I have found myself taking these fancy-steeled skates out of my Sparx every two passes to de-burr. Is this difficult? No. Is it a pain in the ass? Absolutely.
Observations:
Traveling with a Sparx attracts lots of attention and questions - almost everyone's HEARD of the Sparx, but not many have seen one 'in the wild'. Once you sharpen their skates, they're (usually) believers.
I've spent a bunch less at our local big-box stores - not just on skate sharpening, but also on random useless hockey stuff I don't need. It used to be impossible to get out of HockeyMonkey or PureHockey without at least $25.00 of crap IN ADDITION to the skate sharpening - now, since I'm never there unless I need something specific, I'm not spending unnecessary money there!
I sharpen my skates WAY more often than I used to - not just due to the convenience factor; but also due to the fact that I'm not afraid of dropping my skates off and returning to a crappy sharpening job.
A $90.00 800W power inverter means you can sharpen skates in your car....
As the sharpener only draws 200W, you could probably get by with a 400W inverter, but they're not much cheaper and you want to make sure that you have enough 'start up' wattage capacity that you're not tripping fuses in your inverter. Plus, who knows when I'll want to run a 70" TV off my truck battery?
Also, local rink pro shops hate me now. I've become 'that coach that has the sharpener in his truck' and I love it.
I thought the grinding wheels would be a pain - but I actually like them. They're easy to store, portable, and easy to swap out for a different wheel - no dressing or tedious alignment necessary. That system is pure genius.
The option for the Fire/FBV hollow is awesome. I wasn't sure anyone would like it, but it's really caught on and nearly everyone that's tried it has loved it.
Anyway. That's about all I can think of as far as my thoughts after 'a year with a Sparx'. Hopefully this will answer some questions people who are still on the fence may have about the pros/cons...or, at least generate some discussion, here. In the end, I'd definitely buy a Sparx again - but I'd probably give strong consideration to saving my pennies for a 1/2 year or so and getting the PS100 instead of the ES100....