This is a Broadhead Battle of the Iron Will Solid 100 gr Double Bevel vs Single Bevel. For the best way to sharpen, see this vid: • Iron Will Single bevel... and also this vid
• Iron Will sharpness te...
Here is summary of my 2022 Testing Procedure & Scoring w/ the scores of each head as well. (DB scores listed first, then SB scores)
Iron Will Solid Double Bevel, 100 gr Score: 87.98 = 9 Golden Arrows
Iron Will Solid Single Bevel, 100 gr Score: 88.88 = 9 Golden Arrows
1. Flight Forgiveness (20%, 16 pts each)
This is not just a test of how heads fly out of my bow, as it was in the past. With a well tuned bow, properly built arrows & good form, almost every head flies well. That's why in the past most heads got a flight score of 9 or 10. But that doesn't help those who may not have perfectly tuned bows/arrows/good form. So now I am gauging Flight Forgiveness. This is based on how the head flies for me, how well it spins, how "sensitive" the flight is to imperfections, & the exposed surface area of the blades. The max score of a Mech is 20 & the max score of a Fixed is 16.
2. Cut Size (20%, 13.14 pts each)
The more tissue being cut, the more lethal the head, all else equal. The entrance cut, total cut, & width of the cut (a crucial variable for bloodletting) are all scored:
The entrance cut size is compared to a standard of 2.5" then that fraction is weighted to 7% of the score. (1.813" = 5.08pts)
The max cut size is compared to a standard of 2.5" as well, then that fraction is is weighted to 7% of the score. (1.813" = 5.08 pts)
The max cutting diameter is compared to a standard of 2.0", then that fraction is weighted to 6% of the score. (1.063" = 2.98 pts)
3. Blades (20%, 17.85, 18.25, pts)
Initial sharpness (9%: 150 grs=10/10=9 pts; 125 grs=10/10=9pts ) & Edge Retention (9%: +75 grs=8.5/10=7.65pts +125 grs=8.5/10=7.65 pts) are measured using the Edge On Up Sharpness Tester. The pressure needed for a blade to cut thru a copolymer wire is measured in grams.
Edge Retention is the loss of sharpness after the head is shot in Penetration Test 1, thru 1/2" MDF and 2/3" rubber foam mat & Clear Ballistics FBI gel. For every 50 "grams" of sharpness lost, 1 point is deducted from 10.
What are some sharpness scores for common edges?
A butter knife takes 2000 grams of pressure to break the co polymer wire.
A new high end cutlery edge: ~ 375 grams of pressure.
A utility razor blade: 200 grams.
Based on the many broadheads I have tested, here is my scoring scale:
Out of the Box Sharpness:
0-200 gr: 10
201-300 gr 9
301-400 gr: 8
401-500 gr: 7
501-600 gr: 6
601-700 gr: 5
701-800 gr: 4
801-900 gr: 3
901-1000 gr: 2
1001-1100 gr: 1
1101+ gr: 0
Ease to resharpen or replace blades is judged & given 2% of the score. 5/10=1 pt; 6/10=1.2 pts & 8/10 = 1.6 pts)
4. Penetration (20%: 18.24 pts each)
There are 3 penetration tests:
Pen Test 1: 1/2" MDF, 2/3" rubber foam mat, Clear Ballistics FBI gel. Depth of penetration is compared to a standard of 9" & weighted to 9% of the score. (7.5"=7.5 pts each)
Pen Test 2: Layered cardboard. # of layers penetrated is compared to a standard of 70 layers & weighted to 9% of the score.
(68 layers=8.74 pts each)
Angled Penetration Test: How effectively does the head penetrate 1/4" MDF covered by carpet at a 45 degree angle. This accounts for 2% of the score. (2/2pts each)
5. Durability (20%, 19.75 pts each)
Each head is shot thru 1/2" MDF 3 times. Its condition is judged 1-10 & weighted to 12% of the score. (12 pts each)
If a head survives that, it is then shot thru 22 ga steel plate twice. Its condition is judged 1-10 & weighted to 5% of the score. (4.75 pts each)
If a head survives that, it is then shot into concrete once. Its condition is judged 1-10 & weighted to 3% of the score. (3 pts each)
Steel plate & concrete are certainly not "realistic" mediums, but they do reveal the outer limits of a head's durability.
BONUS: DB & SB: +1 extra sharp blades
+1 extra thick blades (.062")
+1 extra forgiving flight
BONUS: SB: +.5 rotation in gel (15 degrees at 10.5")
Total DB Score: 87.98 pts = 9 Golden Arrows
Total SB Score: 88.88 pts = 9 Golden Arrows
Price : $36.65/head
Special Notes:
Please check out my sponsor, Stay Sharp Guide. staysharpguide... or @Innovative Outdoorsman They make excellent broadhead sharpeners. The support I receive from them has helped me improve my channel
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