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ref: notes-0 tags: skate sideskate freeline date: 12-19-2007 04:50 gmt revision:1 [0] [head]

Tim's list of skate-like devices, sorted by flatland speed, descending order:

  1. rollerblades / in-line skates. clap skates and xcountry training skates are up here too.
  2. skateboard -- skateboarders in central park can do the whole loop (~7 miles?) in about ~20 minutes = 21mph average. You can get some very fast wheels, bearings, and boards.
  3. streetboards / snakeboards -- great acceleration. Unlike sideskates, freelines, and Xliders, you do not have to reserve / use muscle capacity to keep from doing a split; all can be put into whipping the board up to speed.
  4. Onshoreboards -- Don't have one, but looks like a randal in back there. These things are kinda heavy - 13bs for the largest - but should be pumpable to high speed? Compared to the flowlabs, all axles (when going straight) are perpendicular to the direction of motion, so there should be little more than the rolling resistance of the 8 wheels. Note dual skate wheels on the back - I presume this was to cut costs, as good inline skate wheels are much cheaper than good skateboard wheels.
  5. sideskates -- these generally have higher top-end speed compared to freelines, but worse acceleration. rolling resistance is comparable to a skateboard; they have large patchs of urethane in contact with the ground, with no rotational shear from a axle at angle to road.
  6. freeline -- these are far more stable at speed than sideskates. However, contact patch with ground undergoes rotational shear, which in addition to the softer urethane and higher loading, makes for more friction than sideskates.
  7. Hammerhead -- faster than below because it has one standard skate truck. Have not tested it.
  8. Flowlab -- the wheels are not co-axial, so there will always be more rolling resistance than a skateboard. Urethane and bearing quality is low on these boards (e.g. 608zz electric motor bearings), simply because they need so many of both and must cut costs to compete with skateboards!
  9. The Wave -- seriously, slow. downhill speed is ok, no speed wobbles - but no powerslides either.
  10. Xliders -- The videos make it look rather slow. But, it also looks very choreographic / dance-like.
  11. Tierney Rides -- hard to pump, but not impossible. Dumb because it is easy to tilt the deck a bit to much, hit the edge, and slide out (the coefficient of friction of hard maple << urethane wheel). Tried to learn it for a while, but the over tilt / deck slide bruised my ankles too many times. This makes it bad for both downhill and flatland. On the plus side, these are very well made boards - buy one & put some randals on it :)