How many passes to cover one acre?

WoofWoof

Greenie
Apr 28, 2012
19
21
Gettysburg
Detector(s) used
XP Deus, Whites MXT Pro, Fisher F75 LTD
Primary Interest:
Relic Hunting
Here is something my warped mind thinks about while MD'ing: An acre of land is 43,560 square feet, using a 10" double D coil, swinging in a three foot pass, how many passes would it take to completly cover just one acre. I realize the effective area of the coil is more a cigar shape rather then complete circle and does the effective area diminish as it gets deeper? So let's assume 6" of depth.
 

speter42

Jr. Member
Jan 22, 2013
35
8
St Paul, MN
Detector(s) used
Leaning toward A Garrett AT Pro
Primary Interest:
Metal Detecting
Here is something my warped mind thinks about while MD'ing: An acre of land is 43,560 square feet, using a 10" double D coil, swinging in a three foot pass, how many passes would it take to completly cover just one acre. I realize the effective area of the coil is more a cigar shape rather then complete circle and does the effective area diminish as it gets deeper? So let's assume 6" of depth.

I fail to see what the depth has to do with it. The length of your "swing"...3' and the width of the "coil"...10".
One acre is about 208.7feet square. Moving east to west, you would need +/- 69.5 passes
Moving North to South...you would need about 250.4, 3' swings
 

Jason in Enid

Gold Member
Oct 10, 2009
9,593
9,229
Primary Interest:
All Treasure Hunting
There are 43560 square feet in an acre.
So a 3 foot wide path, 14520 long would also be an acre.
so that makes our 3 foot wide path 174240 inches long.
Soooo that would be 17,424 swings to cover that one acre.
 

Last edited:

HutSiteDigger

Silver Member
Nov 26, 2012
2,849
1,283
Stafford,Virginia
Detector(s) used
Fisher 1266x and a shovel
Primary Interest:
All Treasure Hunting
There are 43560 square feet in an acre.
So a 3 foot wide path, 14520 long would also be an acre.
so that makes our 3 foot wide path 174240 inches long.
Soooo that would be 17,424 swings to cover that one acre.

Whoa.. you work for NASA? if not.. you should :thumbsup:
 

blaylock

Jr. Member
Feb 12, 2013
74
23
northeast ms
Detector(s) used
Garret Ace 150
Primary Interest:
All Treasure Hunting
Until it beeps no more:dontknow: sorry i couldnt resist..lol. My mind rambles enough when I;m MDing, I wouldn;t want to even get this equation stuck in there.
 

Bev

Sr. Member
Mar 2, 2012
299
174
New England
Detector(s) used
Garrett At Pro
Primary Interest:
Metal Detecting
1...2...3...crunch. No, wait. that's how long it takes to get to the center of a Tootsie Pop.
 

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