What is meant by wheel efficiency in this Context? dougP <dougpn...@cox.net> wrote:
>"What about the 700c wheel efficiency Vs. the 26"wheel once they're >rolling?" > >This is an interesting question. Before getting her mini-Lantis, my >wife >rode a 700c wheeled bike. Coasting downhill, she always drifted behind >me >on my 700c Atlantis. Her bike would only take 28 mm tires vs the 40ish > >widths I used (usually a pretty hefty touring tire). On her 26" >wheeled 47 >cm Atlantis she coasts as fast as I do downhill. Does this prove >anything? She's got less frontal area than I do. Her Atlantis is only >a >pound or so different than her old bike. The old bike has 28 mm >Paselas. >We put 1.25" Panaracer Urban Max tires on her Atlantis when we got it, >and >it now has a 1.25" Pasela on the front and a 1.5" Compass on the back. >No >difference in coasting. > >Based on observation & experience, I couldn't suggest that there's any >significant difference between 700 & 26 for touring or general purpose >riding. Maybe at the margins of racing, say for acceleration, or MTB >manuverability, there may be something worth some small percentage >advantage in one size or the other. > >Maybe that's where the "650B magic" comes in. When you get your >Atlantis >built up, we'll blind-fold you & have you ride around on each of your >bikes >to see if you can tell the difference in wheel size. Now that would be >fun >test! > >dougP > >On Thursday, February 27, 2014 12:52:08 PM UTC-8, hsmitham wrote: >> >> Doug, >> >> What about the 700c wheel efficiency Vs. the 26"wheel once they're >> rolling? It's been my understanding one of the reasons many tour >bikes are >> using 26" size wheels is they are easier to get a heavy mass rolling? >Seems >> like that would be true. So as I see it there's always a compromise >in >> choosing a wheel size. The 26" for carrying a load and it's >maneuverability >> off road are positive attributes and since your hauling stuff one >would >> inherently understand you won't be as quick as a race bike. Yet >another >> reason folks are always favoring multiple steeds and the N+1 factor >as well. >> >> ~Hugh >> >> “Life is like riding a bicycle. To keep your balance, you must keep >> moving.” ― Albert Einstein >> >> http://velocipedemusings.blogspot.com/ >> >> >> >> >> On Thu, Feb 27, 2014 at 10:36 AM, dougP <doug...@cox.net ><javascript:>>wrote: >> >>> "I've read numerous accounts that suggest 700c wheels rollover >things >>> better than 26" wheels..." >>> >>> True but in reality not a huge difference. A BQ article on tires >>> contained a graphic comparing the angle of a 700 wheel vs a 26" >against a >>> block maybe 4" tall (?). The difference in the angle was >surprisingly >>> small & personally I doubt I'd notice the difference. >>> >>> Hugh, I look forward to comparing my 700 wheeled Atlantis to your >26". >>> >>> dougP >>> >>> >>> On Wednesday, February 26, 2014 4:11:09 PM UTC-8, Chris Lampe 2 >wrote: >>>> >>>> Keep in mind that I'm not a mountain biker and other than riding >gravel >>>> roads way back when, all my riding is on pavement. >>>> >>>> I can't say how much is the fat tires themselves. The difference >>>> between my 40mm and my 55mm tires is far larger than the numbers >would >>>> suggest. I think it's that old volume thing....with the 55mm tires >having >>>> a lot more. The closest I've come to riding a 700c fatter tire was >a short >>>> test ride on a Surly Karate Monkey and it lacked something that >both my old >>>> 820 and the new Troll I test rode have. >>>> >>>> I tend to ride like a little kid, meaning I don't ride from point A >to >>>> point B. My favorite place to ride (when it's not packed with >pedestrians) >>>> is the walking path in our subdivision. This is a typical sidewalk >on >>>> gently rolling terrain and I don't think there is a true straight >stretch >>>> of sidewalk that is longer than a few yards. Tons of curves with >some >>>> twists and turns while speeding up and slowing down, according to >the path. >>>> My experience is that the 26" wheels accelerate faster and are far >more >>>> maneuverable than 700c wheels. The entry I use to the walkway is a >gutter >>>> that is at a 90 degree angle to the sidewalk with curb on either >side so >>>> there is no room for error when making that turn. It's a bit scary >on 700c >>>> x 40mm tires but a breeze on 559 x 55mm tires. I think it boils >down to a >>>> ride that is very nimble and quick while still being very smooth >and cushy. >>>> >>>> I've read numerous accounts that suggest 700c wheels rollover >things >>>> better than 26" wheels and that 700c wheels maintain their momentum >better >>>> and the latter, at least, seems to be true in my experience (I >never roll >>>> over things so no experience with the first). Riding my 700c bike >is fun >>>> but almost bordering on boring. Riding a 26" bike is both >exhilarating and >>>> it literally makes me feel like a little kid again. For me, a long >ride is >>>> 10 miles so the 26" wheels are a no-brainer. If I was more into >traveling >>>> and riding longer distances, I'd have to do some soul-searching >before >>>> making a firm commitment to one or the other. >>>> >>>> >>>> >>>> On Wednesday, February 26, 2014 4:34:41 PM UTC-6, hsmitham wrote: >>>>> >>>>> Chris, >>>>> >>>>> I too have been lusting after fat tire Atlantis...I don't see that > >>>>> many. Here's one I like a lot. >>>>> >>>>> http://www.flickr.com/photos/37542512@N04/4815790104/in/ >>>>> pool-rivendellatlantis/ >>>>> >>>>> and another >>>>> >>>>> http://www.flickr.com/photos/fireman483/8541167230/in/pool- >>>>> rivendellatlantis >>>>> >>>>> But I am curious Chris what is it about the 26" wheel size that >has you >>>>> so smitten. It's especially interesting when there is so much talk >of 29ers >>>>> and 650b tires. Please elucidate. >>>>> >>>>> ~Hugh >>>>> >>>>> “Life is like riding a bicycle. To keep your balance, you must >keep >>>>> moving.” ― Albert Einstein >>>>> >>>>> http://velocipedemusings.blogspot.com/ >>>>> >>>>> >>>>> >>>>> >>>>> On Wed, Feb 26, 2014 at 12:38 PM, Chris Lampe 2 ><clamp...@yahoo.com>wrote: >>>>> >>>>>> For the longest time, a photo of an Atlantis on Peter White's >website >>>>>> that is described as being outfitted with his best parts was my >favorite >>>>>> Atlantis photo. Now it's this one. I've become hooked on the >26" >>>>>> wheel/fat-tire combo. Nothing else looks or feels as good to me >now and >>>>>> the Atlantis, with it's traditional diamond frame, just looks >TOUGH with >>>>>> fat knobbies. I haven't had the pleasure of riding one yet. >>>>>> >>>>>> >>>>>> >>>>>> On Tuesday, January 21, 2014 7:11:56 AM UTC-6, Tony DeFilippo >wrote: >>>>>> >>>>>>> Yet another snow day in the DC area... I think the schools will >be in >>>>>>> session till July 4th at this rate! Supposedly we're in for our >biggest >>>>>>> snowfall since 2011 but I'll believe it when I see it. I don't >have true >>>>>>> snow tires, but I did pick up some sweet used 29x2.1 Kenda Small >Block >>>>>>> Eight tires at the co-op recently and had been hoping to try >them out on my >>>>>>> Atlantis. 700Cx54mm tires! I need to measure the actuals on my >23mm Dyad >>>>>>> rims but they fit just fine once the fenders came off. I also >finally got >>>>>>> around to moutning my front Nitto rack/basket/light setup. >Peter White can >>>>>>> rest assured that I've maintained the centerline, above tire >location of >>>>>>> the light but he'll be upset that I don't have fender coverage >for the >>>>>>> beastie... I'll keep an eye on it and possibly add some kind of >splash >>>>>>> protection. It's a sweet light, and I can see based on the >light pattern >>>>>>> why keeping it center and over tire is desireable. Stand over >w/ the >>>>>>> monster tires is not improved for me... predictably, but it is >fun. I'm >>>>>>> going to take it for a spin this morning before the snow comes >in then >>>>>>> we'll see about later! More pix on the blog - >>>>>>> >http://dr2dc.blogspot.com/2014/01/monster-snow-cross-atlantis.html >>>>>>> >>>>>>> Tony >>>>>>> >>>>>>> >>>>>>> ><https://lh6.googleusercontent.com/-7RiNKo6Y7qQ/Ut5sIUqO9SI/AAAAAAAADGQ/RuEQK8JVgD8/s1600/RAD_1040.jpg><https://lh6.googleusercontent.com/-G_p7K346CpU/Ut5sIcpa1PI/AAAAAAAADGk/7zjswNk1ajo/s1600/RAD_1042.jpg> >>>>>>> >>>>>>> >>>>>>> >>>>>>> -- >>>>>> You received this message because you are subscribed to a topic >in the >>>>>> Google Groups "RBW Owners Bunch" group. >>>>>> To unsubscribe from this topic, visit >https://groups.google.com/d/ >>>>>> topic/rbw-owners-bunch/e_cri0xuazQ/unsubscribe. >>>>>> To unsubscribe from this group and all its topics, send an email >to >>>>>> rbw-owners-bun...@googlegroups.com. >>>>>> To post to this group, send email to >rbw-owne...@googlegroups.com. >>>>>> Visit this group at >http://groups.google.com/group/rbw-owners-bunch. >>>>>> For more options, visit https://groups.google.com/groups/opt_out. >>>>>> >>>>> >>>>> -- >>> You received this message because you are subscribed to a topic in >the >>> Google Groups "RBW Owners Bunch" group. >>> To unsubscribe from this topic, visit >>> >https://groups.google.com/d/topic/rbw-owners-bunch/e_cri0xuazQ/unsubscribe >>> . >>> To unsubscribe from this group and all its topics, send an email to >>> rbw-owners-bun...@googlegroups.com <javascript:>. >>> To post to this group, send email to >rbw-owne...@googlegroups.com<javascript:> >>> . >>> Visit this group at http://groups.google.com/group/rbw-owners-bunch. >>> For more options, visit https://groups.google.com/groups/opt_out. >>> >> >> > >-- >You received this message because you are subscribed to the Google >Groups "RBW Owners Bunch" group. >To unsubscribe from this group and stop receiving emails from it, send >an email to rbw-owners-bunch+unsubscr...@googlegroups.com. >To post to this group, send email to rbw-owners-bunch@googlegroups.com. >Visit this group at http://groups.google.com/group/rbw-owners-bunch. >For more options, visit https://groups.google.com/groups/opt_out. -- Sent from my Android phone with K-9 Mail. Please excuse my brevity. -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. To unsubscribe from this group and stop receiving emails from it, send an email to rbw-owners-bunch+unsubscr...@googlegroups.com. To post to this group, send email to rbw-owners-bunch@googlegroups.com. Visit this group at http://groups.google.com/group/rbw-owners-bunch. For more options, visit https://groups.google.com/groups/opt_out.
