Thanks, now that you put it that way. I think I"m sorry I asked... Great information though. I've always wondered how wind chill is calculated. All I know it that I really don't want to be that cold ever again....
On Sep 19, 8:55 am, Javier Garcia <[email protected]> wrote: > All these is very approximate, but this is a formula that some people use to > calculate the WindChill or Apparent Temperature (or the Feels like): > > *WindChill (ºF)= 35.74 + 0.6215 * T - 35.75 * V 0.16 + 0.4275 * T * V 0.16* > > where T is the air temperature measured in Fahrenheit and V is the wind > speed in mph. So you can use the speed at which you are moving with the bike > (assuming that there is not wind). > Using this formula, for example, if the air temperature is 45 F and you use > V=50 mph (lets says, you are traveling at that speed), then the windchill > temperature is ~33.8 F. > > Particularly, I prefer not to know :). > > Javier. > > > > On Sat, Sep 19, 2009 at 6:22 AM, NytWing <[email protected]> wrote: > > > That really an awesome explanation of why my teeth were chattering > > when I got to work that morning, but I still want to konw what the > > actual temprature felt like... > > > On Sep 18, 1:46 am, oldschoolgwin <[email protected]> wrote: > > > Well, if we really want to know, it's called convective heat transfer > > > coefficient. We don't feel temperature, we feel heat leaving and > > > entering our body. So at higher velocities the convective coefficient > > > increases (h=W/m^2*K)substantially, hence heat is leaving our body at > > > faster rate - then we say its cold! We should really say heat is > > > leaving me very quickly (humor!). > > > > In the summer in the middle of a hot day, the inside temperature may > > > be 78F (air temp) and it feels hot, but in the winter when it's 78F in > > > the same house it feels cold. Hmmm - why is this? Well it's because > > > there are multiple mechanisms effectiving the overall (net) heat > > > transfer from your body. In the summer the wall temperature is hotter > > > than winter - so guess what, now your body is recieveing radiation > > > (heat) at a greater rate than in the winter. So while the air is > > > conducting (theoretically) heat away from your body at the same rate > > > for both summer and winter (function of temperature and air velocity) > > > the radiation is greater in summer so the net heat loss rate is lower > > > in the summer (it's hot in hear). Consider cloudy day and sunny day > > > at the same air temp (same thing radiation is the difference in > > > comfort). > > > > So it get's a bit complex when you take into acount the heat capacity > > > of the air (function of moisture content) and air velocity (convective > > > rate) - but this is the basic concept. I.E. the same reason the NH > > > oil coolers are much more effective (probably at least 20X) at hwy > > > speeds than when sitting at a stop sign. But then again at hwy speeds > > > the engine is also generating much more waste heat it has to transfer > > > to the air. > > > > Hope this helps. > > > > On Sep 17, 1:35 pm, stanley/ Randolph <[email protected]> wrote: > > > > > Yuh really don't know whut wind chill is 'til yuh've ridden in > > winter at night in Arizona desert. Cold with humiddy is better'n cold with > > none. I can take 30 with 95%. I can't take 50 with 30%!! > > > > > Stanley > > > > > ________________________________ > > > > From: Joseph Letourneau <[email protected]> > > > > To: [email protected] > > > > Sent: Thursday, September 17, 2009 2:21:08 PM > > > > Subject: [Nighthawk Lovers] Re: Who can do the math??? > > > > > I ride all through the winter. The only time I dont ride is if there > > is snow and ice still on the road. The real reason I do this is cuz the gas > > prices are so flippin' high. By the time I get to work it takes a few cups > > of coffee and about 15 min's before my teeth stop chattering. > > > > Joey > > > > > --- On Thu, 9/17/09, Dennis Hammerl <[email protected]> wrote: > > > > > > From: Dennis Hammerl <[email protected]> > > > > > Subject: [Nighthawk Lovers] Re: Who can do the math??? > > > > > To: [email protected] > > > > > Date: Thursday, September 17, 2009, 3:11 PM > > > > > If I > > > > > dress right, I can take about 40, no less thank you. I did > > > > > ride straight thru two years. But I was a whole lot younger > > > > > then. > > > > > > --- On Thu, 9/17/09, Creative Residential Designs > > > > > <[email protected]> wrote: > > > > > > From: Creative Residential Designs > > > > > <[email protected]> > > > > > Subject: [Nighthawk Lovers] Re: Who can do the math??? > > > > > To: [email protected] > > > > > Date: Thursday, September 17, 2009, 8:39 AM > > > > > > The temperature would be a balmy -10 which I don't do > > > > > on my bike, thank you > > > > > very much! ;) > > > > > > ----- Original Message ----- > > > > > From: "NytWing" <[email protected]> > > > > > To: "Nighthawk > > > > > Motorcycle Lovers!" <[email protected]> > > > > > Sent: Thursday, September 17, 2009 4:46 AM > > > > > Subject: [Nighthawk Lovers] Who can do the math??? > > > > > > > If the outside temperature was 44 degrees this morning > > > > > when I left the > > > > > > house, what did it feel like with the wind chill at 65 > > > > > miles per > > > > > > hour??? For those of you in the south who > > > > > don't know what wind chill > > > > > > is, when it's cold outside, the harder with wind > > > > > blows, the colder it > > > > > > feels on the body. Those of us up north know > > > > > what I'm talking about... > > > > > - Hide quoted text - > > > > > - Show quoted text -- Hide quoted text - > > > > - Show quoted text -- Hide quoted text - > > - Show quoted text - --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Nighthawk Motorcycle Lovers!" group. 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/nighthawk_lovers?hl=en -~----------~----~----~----~------~----~------~--~---
