Looks like I'm about right for using that calculator. I'll have to read the work it's based on now..
- Ryan On Sunday, March 11, 2012 8:29:32 AM UTC-7, tdusky wrote: > > Use this tire pressure calculator for good results: > http://www.dorkypantsr.us/bike-tire-pressure-calculator.html > > Tom Dusky > Huntington Woods, MI > > On Saturday, March 10, 2012 5:48:43 PM UTC-5, Patrick Moore wrote: >> >> I just pushed the Fargo 19 rolling-hilly miles around Rio Rancho, NM >> with the SnoCat/Big Apple wheelset at about 30/35 -- much higher and >> the bumps start feeling as if I'm riding 23s at 120 (that is a slight >> exaggeration, but seriously, I've found that the fatter the tire, the >> harsher the ride if you overinflate); this after having let the >> heavyweight wheelset sit for weeks while I rode the Rhyno Lites with >> the new 330 gram, 35 mm Kojaks. I must say that the combination of 800 >> gram rims with 800 gram tires (both rim and tire are the "Lite" >> versions) and 200 gram tubes makes a, ahem, difference -- a 3 1/2 lb >> difference between the two wheelsets, I estimate. This wheelset is >> wonderful on sandy terrain and it rolls very well on the flats, both >> on pavement and on choppy but firmish dirt, but as soon as you >> encounter an incline, man do you feel that weight! I emphasize: the >> Big Apples roll very, very will for such a wide carcass with a >> protective belt -- I push along on the flats on firm surfaces in a >> 46/20 for a 67" cruising gear, compared to 70 to 75 for a road bike >> with nice tires. But again, tilt upward, and wham, gravity intervenes. >> (Btw, Newton posited "gravity" as a placeholder for his theory; a mere >> name to signify that one body moved toward another in proportion to >> their respective masses; but he said quite explicitly that he had no >> idea what cause, if anything, was behind this word and, further, he >> says explicitly in the Principia that "action at a distance" -- ie, >> physical action without actual contact of bodies -- was, quite >> literally, unthinkable.) Whatever "gravity" may or may not be, those >> BA and SnoCats sure feel like cold molasses on uphills. >> >> Long windup. Those of you who ride 60 mm Big Apples or similar tires: >> how do you find them on hills? What pressures do you use on pavement, >> and what is your weight? -- of course, that decides how firm the tire >> has to be. Would I be better off with lighter and narrower rims (wish >> I hadn't sold those Salsa P35s!) at the expense of less sidewall >> support? >> >> The new 42 Noodles felt noticeably more "natural" than the 46s they >> replaced. More generally, the Fargo is set up very nicely: it feels >> very "natural" even though the bar is some 4 to 5 cm higher than on >> the benchmark Rivs. On pavement I spend most of my time in the hooks, >> for with the bars this high, even the hoods seem rather "tippy" unless >> I bend my elbows, a natural inclination. >> >> The BB7s are powerful but lack the nice, smooth and easily modulated >> control that good cantis have -- by good cantis I mean either old >> Shimano wide profiles or those IRCs that Riv sells. And you have to >> keep bending the g-d disks back into plane, at least if, as I do, you >> very frequently carry the wheels off-bike in the back of your car. I'd >> prefer a bit more weight and thickness for disks that didn't bend out >> of plane so easily. OTOH, with riding in sandy soil and swapping >> between 44 and 27 mm wide rims, the disk system makes up for its >> defects, at least for my taste. >> >> -- >> Patrick Moore >> Albuquerque, NM >> For professional resumes, contact >> Patrick Moore, ACRW >> http://resumespecialties.com/index.html >> >> -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. To view this discussion on the web visit https://groups.google.com/d/msg/rbw-owners-bunch/-/PcMgELNbxUkJ. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/rbw-owners-bunch?hl=en.
