NAP SPITFIRE MAXX 100gr : Broadhead Test

This is a test of the 100 gr NAP Spitfire Maxx, 3 Blade mechanical.
Here is summary of my 2024 Testing Procedure & Scoring w/the scores of this head posted in parenthesis as well.

1. Flight Forgiveness (20%, 20 pts)
I'm using a Killer Instinct SWAT X1 crossbow, mounted to a BOG tripod, shooting a 670 gr Bishop Archery GOAT bolt (300 fps) at 30 yds. Field points consistently hit in the 10 ring & bullseye. I use the exact same bolt to shoot the broadhead. The only difference in the two shots is the broadhead's flight forgiveness vs that of the field point. A bullseye gets a score of 11/10, or a perfect score of 20 + 1 Bonus Point. The 10 ring gets a 10/10, or 20 points; a 9 ring gets a 9/10 or 18 points...& so forth, with each wider ring being 1/2" farther from the bullseye. Mechs are also given 1 Bonus Point for extra forgiveness.

2. Cut Size (20%, 15.19 pts)
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. (1.05” = 2.94 pts)
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. (2.62” = 7 pts)
The max cutting diameter is compared to a standard of 2.0", then that fraction is weighted to 6% of the score. (1.75" = 5.25 pts)

3. Blades (20%, 18.2 pts)
Initial sharpness (9%, 267 grams = 9.33/10 = 8.4 pts + Bonus & Edge Retention (9%, +34 grams = 9.32/10 = 8.4 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 & 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

Ease to resharpen or replace blades is judged & given 2% of the score. (7/10=1.4 pts)

4. Penetration (20%, 17.57 pts)
There are 2 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 10% of the score. (7.25" = 8.06 pts)
Pen Test 2: Layered cardboard. # of layers penetrated is compared to a standard of 70 layers & weighted to 10% of the score.
( 32 layers= 4.57 pts)

5. Durability (20%, 14.15 pts)
Each head is shot thru 1/2" MDF 3 times. Its condition is judged 1-10 & weighted to 12% of the score. (9.5/10 = 11.4 pts)
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. (2.5/10 = 1.25 pts)
If a head survives that, it is then shot into concrete once. Its condition is judged 1-10 & weighted to 3% of the score. (5/10 = 1.5 pts).
Steel plate & concrete are certainly not "realistic" mediums, but they do reveal the outer limits of a head's durability.

BONUS:
+1 pt: mech flight forgiveness
+.34 pts max cut size over baseline
+1 pt no O ring
+1 pt Offset blades

TOTAL SCORE: 83.51 pts = 8 Golden Arrows

Price: $13.33/head

Special Notes:
Please check out my sponsor, Stay Sharp Guide. https://staysharpguide.com or @Innovative Outdoorsman They make excellent broadhead sharpeners. The support I receive from them has helped me improve my channel

I also have some Discount Codes I can share:

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