SnailTrail Posted December 2, 2011 Share This may be a conversation that has been had many times before but I only started mountain biking 6 months ago so it is still rather interesting to me Down a mine shaft the heavier one will win Link to comment Share on other sites More sharing options...
pawpaw Posted December 2, 2011 Share Down a mine shaft the heavier one will win Not sure if that is TRUE??? If I remember correctly:g = 9.81 m/s2 = 32.2 ft/s2 hence ignoring air resistance, any object, when dropped from the same height, will hit the ground at the same time. This means that the 29" and 26" inch will be eqaully fast. Link to comment Share on other sites More sharing options...
Captain Fastbastard Mayhem Posted December 2, 2011 Share Not sure if that is TRUE??? If I remember correctly:g = 9.81 m/s2 = 32.2 ft/s2 hence ignoring air resistance, any object, when dropped from the same height, will hit the ground at the same time. This means that the 29" and 26" inch will be eqaully fast. Nope. The 29er will have more air resistance cos of the bigger tires. So it will lose... Link to comment Share on other sites More sharing options...
TNT1 Posted December 2, 2011 Share Nope. The 29er will have more air resistance cos of the bigger tires. So it will lose... Win! Link to comment Share on other sites More sharing options...
Hairy Posted December 2, 2011 Share Not sure if that is TRUE??? If I remember correctly:g = 9.81 m/s2 = 32.2 ft/s2 hence ignoring air resistance, any object, when dropped from the same height, will hit the ground at the same time. This means that the 29" and 26" inch will be eqaully fast. If we assume that the 29'er and the 26'er are both HT and they are both mediums from the same manufacturer .... then the 29'er with the larger surface area on the tyres, wheels and who knows what else will strike the ground last ....? Link to comment Share on other sites More sharing options...
pawpaw Posted December 2, 2011 Share Nope. The 29er will have more air resistance cos of the bigger tires. So it will lose... Lol, "ignoring air resistance" Link to comment Share on other sites More sharing options...
Captain Fastbastard Mayhem Posted December 2, 2011 Share Win! Link to comment Share on other sites More sharing options...
Captain Fastbastard Mayhem Posted December 2, 2011 Share Lol, "ignoring air resistance" Yeah, but we can't ignore air resistance in a real world application, now can we? Link to comment Share on other sites More sharing options...
pawpaw Posted December 2, 2011 Share If we assume that the 29'er and the 26'er are both HT and they are both mediums from the same manufacturer .... then the 29'er with the larger surface area on the tyres, wheels and who knows what else will strike the ground last ....? :)I still say we call the MYTHBUSTERS Link to comment Share on other sites More sharing options...
Captain Fastbastard Mayhem Posted December 2, 2011 Share If we assume that the 29'er and the 26'er are both HT and they are both mediums from the same manufacturer .... then the 29'er with the larger surface area on the tyres, wheels and who knows what else will strike the ground last ....? Too slow, Hairy... you must be on the niner... Edited December 2, 2011 by cptmayhem Link to comment Share on other sites More sharing options...
pawpaw Posted December 2, 2011 Share Yeah, but we can't ignore air resistance in a real world application, now can we? If you only take the additional resistance caused by the larger tyres, the difference will still be almost negligible or do you disagree? Point I was trying to make is that down a mine shaft, the weight of the bike is not the key variable to consider (in real life) Link to comment Share on other sites More sharing options...
arendoog Posted December 2, 2011 Share Ek't Dinsdag by CWC se track geval met my 29er.Ok ! Ok ! Ons het dit Link to comment Share on other sites More sharing options...
Captain Fastbastard Mayhem Posted December 2, 2011 Share If you only take the additional resistance caused by the larger tyres, the difference will still be almost negligible or do you disagree? Point I was trying to make is that down a mine shaft, the weight of the bike is not the key variable to consider (in real life) almost negligible. And yes, the weight has nothing to do with it. Just air resistance. But the 9er would still lose. Link to comment Share on other sites More sharing options...
TNT1 Posted December 2, 2011 Share If you only take the additional resistance caused by the larger tyres, the difference will still be almost negligible or do you disagree? Point I was trying to make is that down a mine shaft, the weight of the bike is not the key variable to consider (in real life) And the point captain was trying to make is that he wants to chuck a niner down a mine shaft... Link to comment Share on other sites More sharing options...
jimmy hardtail Posted December 4, 2011 Share I see a subtle lack of 29ers in dh racing where surely the big wheels would work best? Or would they just explode? Link to comment Share on other sites More sharing options...
P.A.K. Posted December 5, 2011 Share I rode a 29er this weekend for the first time. It was a Scott dual suspension. And I'm not impressed. The track consisted mostly of single track with some tight turns and climbs. I felt like a clown trying to takecthose corners. I was dissapointed and happy to get back on my 26er. I'm no expert, but for my riding style I won't be buying into the (apparent) hype. Don't you feel like every LBS owner or sponsored cyclist just rides 2øers to boost sales? Link to comment Share on other sites More sharing options...
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