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Tatume
.400 member


Reged: 09/06/07
Posts: 1091
Loc: Gloucester, Va USA
Re: what height new foresight for Merkel?
      27/07/09 09:19 PM

This is a problem of similar triangles. The sight radius (r) and range (R) are congruent legs, and the front sight height change (h) and impact change (H) are congruent legs. All measurements must be in the same units. Therefore:

h/r = H/R or equivalently h = (Hr)/R

Example: sight radius 20 inches, range 1800 inches (50 yards), impact change 8 inches.
h = 8(20)/1800 = 0.089 inches.

--------------------
Take care, Tom
NRA Life Member

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Entire topic
Subject Posted by Posted on
* what height new foresight for Merkel? DGR375 27/07/09 03:49 PM
. * * Re: what height new foresight for Merkel? 400NitroExpress   28/07/09 04:06 AM
. * * Re: what height new foresight for Merkel? Tatume   28/07/09 04:16 AM
. * * Re: what height new foresight for Merkel? 450_366   27/07/09 06:25 PM
. * * Re: what height new foresight for Merkel? Tatume   27/07/09 09:19 PM
. * * Re: what height new foresight for Merkel? DGR375   27/07/09 10:41 PM
. * * Re: what height new foresight for Merkel? DUGABOY1   28/07/09 12:48 AM
. * * Re: what height new foresight for Merkel? ALAN_MCKENZIE   28/07/09 01:15 AM
. * * Re: what height new foresight for Merkel? Tatume   28/07/09 01:54 AM
. * * Re: what height new foresight for Merkel? 500Nitro   28/07/09 02:34 AM
. * * Re: what height new foresight for Merkel? 500Nitro   27/07/09 03:53 PM
. * * Re: what height new foresight for Merkel? DGR375   27/07/09 04:30 PM
. * * Re: what height new foresight for Merkel? 4seventy   28/07/09 07:55 AM
. * * Re: what height new foresight for Merkel? 400NitroExpress   28/07/09 08:34 AM
. * * Re: what height new foresight for Merkel? DGR375   28/07/09 10:36 AM
. * * Re: what height new foresight for Merkel? DGR375   28/07/09 12:39 PM
. * * Re: what height new foresight for Merkel? REN3   29/07/09 12:30 AM
. * * Re: what height new foresight for Merkel? 4seventy   29/07/09 07:36 AM
. * * Re: what height new foresight for Merkel? eagle27   29/07/09 05:58 PM
. * * Re: what height new foresight for Merkel? DGR375   29/07/09 06:47 PM
. * * Re: what height new foresight for Merkel? DGR375   29/07/09 06:52 PM
. * * Re: what height new foresight for Merkel? eagle27   29/07/09 09:34 PM
. * * Re: what height new foresight for Merkel? 500Nitro   27/07/09 04:43 PM
. * * Re: what height new foresight for Merkel? Fritz   27/07/09 04:42 PM
. * * Re: what height new foresight for Merkel? Fritz   27/07/09 04:29 PM

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