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RoboDuck dan-roberts's article
May 29, 2020 at 19:14
May 29, 2020
Behind the Numbers: Unno Dash
Damping is speed dependent not position dependent like springs. Higher leverage ratios generate lower shaft speeds in the shock and therefore less damping force. If it seems counter intuitive think about your classic fulcrum lever. You move the long end a lot to make the short end move a little but with a lot more force. However because the little end is moving less distance in the same amount of time its moving slower.
RoboDuck dan-roberts's article
May 22, 2020 at 9:31
May 22, 2020
Behind the Numbers: Norco Sight
The Super Deluxe builds will have plenty of room for increasing pressure. Due the different volume configurations of the Float X2 you would be running at or above max pressure (or looking at getting the shock retuned to the firmer compression tune).
RoboDuck mikekazimer's article
Apr 28, 2020 at 11:35
Apr 28, 2020
Review: Transition's New Sentinel V2 - Now With More Travel
@Drew-O: Nope. Norco measures at a nominal saddle height per size. I don't think they publish the numbers they use anywhere though.
RoboDuck dan-roberts's article
Mar 27, 2020 at 8:05
Mar 27, 2020
Enginerding: What Is Anti-Squat & How Does It Actually Affect Mountain Bike Performance?
@Varaxis: Yep it does move slower. Less compression support from the damper and you need to run higher spring rates. Overall a softer setup. You will get a bit more travel though. You debate how much to care about the difference but it is certainly perceptible on trail.
RoboDuck dan-roberts's article
Mar 20, 2020 at 19:00
Mar 20, 2020
Enginerding: What Is Anti-Squat & How Does It Actually Affect Mountain Bike Performance?
@Varaxis: Little bit of travel difference but the big difference is that it moves through your spring and damper quicker so you need more air pressure and sometimes firmer damper tunes. This could mean the heavier guys are at or above max pressure. Its not massive for 5mm of change but it starts to add up if you are increase 10-15mm.
RoboDuck dan-roberts's article
Mar 20, 2020 at 12:35
Mar 20, 2020
Enginerding: What Is Anti-Squat & How Does It Actually Affect Mountain Bike Performance?
To qualify that statement you can also build a low-leverage long chainstay bike. You just can't lengthen the chainstay on an existing linkage without raising leverage.
RoboDuck dan-roberts's article
Mar 20, 2020 at 8:13
Mar 20, 2020
Enginerding: What Is Anti-Squat & How Does It Actually Affect Mountain Bike Performance?
The main (kinetmatic) reason for not increasing CS length at the dropout is it increases leverage. You end up with a softer suspension for longer chainstays which works against the taller (and heavier) riders on bigger bikes. Also its quite a bit more complicated to execute on mechanically.
RoboDuck dan-roberts's article
Mar 20, 2020 at 8:08
Mar 20, 2020
Enginerding: What Is Anti-Squat & How Does It Actually Affect Mountain Bike Performance?
~600mm above BB is fairly common in the linkage models. Small deviations won't make a massive difference.
RoboDuck jamessmurthwaite's article
Feb 25, 2020 at 7:22
Feb 25, 2020
10 Things You Only See on Racers' Bikes
@vinay: Nitrogen can control a little bit of condensation but there is no real benefit. Partial pressures of the water vapour are very low.
RoboDuck dan-roberts's article
Dec 31, 2019 at 12:15
Dec 31, 2019
Ask Pinkbike: Bike Development Project, Fox X2 Bottom Out Point, Quiet Chain Stay Protectors
The latest revisions of the Float X2 include a foam bottom out bumper that could reduce travel slightly in it's fully compressed state. If you are within 2-3mm of the stated stroke it is probably correct.
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