Posted by: Tom Sparkman on June 11, 2003 at 13:05:50

: Quicky range finder and Ma-Nature provides all the tools. Easy to carry and use, just takes a bit of work and math... : 1) Measure your thumb (yep your thumb, dooouh!) : yep it's going to be that easy! : 2) Measure the distance from your eye to your thumb while gripping your marker and in a tactical stance as if aiming at someone. : You now have the height (thumb) and base (distance 2) of your ranging triangle. : b = Distance from eye to thumb : h = Height of thumb : It's all proportions and "similar" triangles from here on out... : You want to find the new base (range) given the percentage of your thumb that the player you are aiming at makes up when you aim at them. : Watch your units, convert to feet right away and all will be fine. : For example... : My thumb is about 2 inches long, h = 1/6 ft : The distance to my thumb from my eye aiming and in stance is about 12 inches, b = 1 ft : Average pballer in stance is about 5 ft tall : Therefore, : if you hold out/up your thumb and line it up with the target pballer and your thumb matches their size in your sight picture the pballer is... : new h = 5 ft : new b (range) = (5 * 1)/(1/6) : new b (range) = 5 * 1 * 6 = 30 ft away : 2 thumbs = 60 ft : 1/2 a thumb = 15 ft : Using your thumb at arms length can be better cause you always have your arm and your thumb with you...C-: : it is all very estimatish in application but on the fly it can get you close enough to not waste paint or risk exposing yourself...or pick an 8 iron over a 7...ulp mixed sports and you have to divide by 3. : And you thought all that math tricycle you learned in school would never do you any good... : You can do the physics for the trajectory of your paint and estimtate striking velocity...but then you would need a life and so do I, grin. : ttfn

Follow Ups: Re: Never ask a math teacher a simple question! Surely "UUU" Gest 22:17:16 06/13/03 (0) Post a Followup Show your name as: DefaultRealnameBothNickname E-Mail address (eg: joeschmoe@aol.com): Show your e-mail address? DefaultYesNo Your Password: Don't have a password? CLICK HERE - Forgot your password? CLICK HERE Subject: Subject:Message: : : Quicky range finder and Ma-Nature provides all the tools. Easy to carry and use, just takes a bit of work and math... : : 1) Measure your thumb (yep your thumb, dooouh!) : : yep it's going to be that easy! : : 2) Measure the distance from your eye to your thumb while gripping your marker and in a tactical stance as if aiming at someone. : : You now have the height (thumb) and base (distance 2) of your ranging triangle. : : b = Distance from eye to thumb : : h = Height of thumb : : It's all proportions and "similar" triangles from here on out... : : You want to find the new base (range) given the percentage of your thumb that the player you are aiming at makes up when you aim at them. : : Watch your units, convert to feet right away and all will be fine. : : For example... : : My thumb is about 2 inches long, h = 1/6 ft : : The distance to my thumb from my eye aiming and in stance is about 12 inches, b = 1 ft : : Average pballer in stance is about 5 ft tall : : Therefore, : : if you hold out/up your thumb and line it up with the target pballer and your thumb matches their size in your sight picture the pballer is... : : new h = 5 ft : : new b (range) = (5 * 1)/(1/6) : : new b (range) = 5 * 1 * 6 = 30 ft away : : 2 thumbs = 60 ft : : 1/2 a thumb = 15 ft : : Using your thumb at arms length can be better cause you always have your arm and your thumb with you...C-: : : it is all very estimatish in application but on the fly it can get you close enough to not waste paint or risk exposing yourself...or pick an 8 iron over a 7...ulp mixed sports and you have to divide by 3. : : And you thought all that math tricycle you learned in school would never do you any good... : : You can do the physics for the trajectory of your paint and estimtate striking velocity...but then you would need a life and so do I, grin. : : ttfn [ Follow Ups ] [ Post Followup ] [ WARPIG Tech Talk - Miscellaneous ]