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Anyone good at math?

starrynight3752 Posts: 3 Joined: 2007/01/15	2007/01/17, 02:57 PM I love my new elliptical(ran the old one till it fell apart!) but my new one doesnt show distance traveled in miles (used to average 5 miles a day on my old one) this one shows the number of total revolutions...ive had a 6 month gap between breaking my old one and getting this new one so i know my stats wont be right where they were when i left off but today it showed "total distance traveled 1294" how far did i go? Any simple mathmatical equation for figuring this out? Any help will be greatly appreciated! Thanx! :)
gangstershoes Posts: 641 Joined: 2005/05/27	2007/01/17, 03:19 PM without units to convert you are dead in the water. Elliptical motion relates to what kind of real world movement? If you can give us the radius of the pedal cycle or rpm and number of minutes than we might stand a good chance of giving you a distance that the wheel has moved.
starrynight3752 Posts: 3 Joined: 2007/01/15	2007/01/17, 03:36 PM ============ Quoting from gangstershoes: without units to convert you are dead in the water. Elliptical motion relates to what kind of real world movement? If you can give us the radius of the pedal cycle or rpm and number of minutes than we might stand a good chance of giving you a distance that the wheel has moved. ============= Ok so maybe this will help...the elliptical has an 18 in stride length (haveta find tape measure to get actual pedal radius)...i "averaged" 66 rpm (revolutions per minute) and work out for 20 minutes a day....can it be calculated with this info or do i have to have the wheel/pedal diameter?? Thanx for the response!
wrestler125 Posts: 4,619 Joined: 2004/01/27	2007/01/17, 10:39 PM It can be done, but radial diameter (x and y) would be needed if you wanted the total stride distance. However, if you are only after distance you would have moved if you ran, then divide revolutions by 36" and you have your distance in inches. To find distance in feet, you would divide that by 12, and then divide that by 5280 to get miles. -------------- Gravity hates you. Enter the Darkside.
gangstershoes Posts: 641 Joined: 2005/05/27	2007/01/18, 07:50 AM Starrynight you are lucky, because I'm bored this morning at work. Here is the calculations for you: 18 inch stride length = diameter Circumference of circle = (3.14) * diameter = 56.52 66 revolutions per minute * 20 minutes = 1320 revolutions 1320 revolutions * 56.52in circumference = 74606.4in distance travel 74606.4in/12 = 6217.2ft 6217.2ft/5280 = 1.1775 miles To find out a true distance like a bike would travel you will need the primary and secondary gear size and the spinner diameter.
gangstershoes Posts: 641 Joined: 2005/05/27	2007/01/18, 07:51 AM Here are the calculations. I swear my 3 year old is killing my grammer one is at a time. ============ Quoting from gangstershoes: Starrynight you are lucky, because I'm bored this morning at work. Here is the calculations for you: 18 inch stride length = diameter Circumference of circle = (3.14) * diameter = 56.52 66 revolutions per minute * 20 minutes = 1320 revolutions 1320 revolutions * 56.52in circumference = 74606.4in distance travel 74606.4in/12 = 6217.2ft 6217.2ft/5280 = 1.1775 miles To find out a true distance like a bike would travel you will need the primary and secondary gear size and the spinner diameter. =============
wrestler125 Posts: 4,619 Joined: 2004/01/27	2007/01/18, 08:32 AM I doubt that it has a constant diameter. Most ellipticals have an ELLIPTICAL stride, as in the diameter vertically is not the same diameter horizontally. I would go with using 18" as a stride, and then calculate distance using number of strides. -------------- Gravity hates you. Enter the Darkside.
starrynight3752 Posts: 3 Joined: 2007/01/15	2007/01/18, 10:23 AM Wow--thanx to both of you!!...at least i have an idea of what im doing or at least in general how far im going...i dont have to be exact but just wanted to know, for my own progress records (keeps a "fitness calendar") a little bummed that i didnt get in 2 miles, but i know i have to work back up and it was only 20 minutes...(used to run for about 35 or 40) so I'm going to keep at it and work my way back up to where i was and will now be able to have an idea of how far im going thanx guys!!!
leslieherr Posts: 298 Joined: 2002/08/09	2007/01/18, 12:42 PM Gangstershoes you have to much time on your hands. Can you help my son with his chemistry:big_smile: