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2007 Compound Bow Specification Database & Comparison Charts
All Compound Bows:  SORTED BY MAXIMUM KINETIC ENERGY OUTPUT
(AT MAXIMUM DRAW WEIGHT)

Bowtech
PSE
APA Innov.
PSE
APA Innov.
Hoyt
PSE Pro
Mathews
Ross
CSS
Hoyt
Hoyt
Hoyt
Hoyt
Martin
Bowtech
Hoyt
CSS
Parker
Darton
Hoyt
Hoyt
APA Innov.
Parker
Mathews
Bowtech
CSS
CSS
Hoyt
Hoyt
Hoyt
APA Innov.
Ross
Ross
CSS
Darton
Alpine
CSS
APA Innov.
Mathews
Hoyt
Hoyt
Hoyt
Bowtech
Darton
Darton
Mathews
Archery Res.
Hoyt
Browning
Bowtech
Evotek
Mathews
Kodiak
CSS
CSS
PSE Pro
Pearson
Hoyt
Bowtech
APA Innov.
Martin
Rytera (Martin)
Whisper Creek
Whisper Creek
Diamond
Mathews
Browning
Rytera (Martin)
Rytera (Martin)
CSS
CSS
Diamond
Archery Res.
Pearson
Pearson
Fred Bear
Evotek
Parker
Bow Zone
Evotek
PSE
Pearson
CSS
CSS
CSS
Mathews
Bow Zone
Mathews
PSE Pro
Mathews
Evotek
Pearson
CSS
Diamond
CSS
CSS
Fred Bear
Martin
Martin
Martin
Mathews
Parker
Martin
Martin
PSE
Reflex
Reflex
Whisper Creek
Whisper Creek
Martin
Martin
Martin
Martin
Alpine
Browning
Reflex
Darton
PSE Pro
Darton
Browning
Archery Res.
Bow Zone
PSE Pro
PSE Pro
Mathews
Kodiak
PSE
Diamond
CSS
Whisper Creek
Alpine
CSS
PSE Pro
Fred Bear
Martin
Hoyt
CSS
Hoyt
CSS
Martin
Diamond
Rytera (Martin)
Kodiak
Reflex
Whisper Creek
Whisper Creek
Archery Res.
PSE
PSE
Fred Bear
Darton
Ross
PSE Pro
Reflex
Parker
PSE
PSE Pro
CSS
CSS
PSE Pro
PSE
Martin
Parker
CSS
Parker
Darton
Kodiak
Alpine
Kodiak
CSS
CSS
Hoyt
Browning
PSE
PSE Pro
PSE Pro
CSS
Mathews
CSS
CSS
CSS
Whisper Creek
CSS
Darton
Browning
Hoyt
Hoyt
CSS
CSS
CSS
Darton
Parker
Hoyt
Parker
CSS
CSS
CSS
Hoyt
Hoyt
CSS
Reflex
CSS
CSS
Hoyt
PSE
 

Tribute
Big Five
Black Mamba X2
Big Five Pro
Black Mamba X1
Vulcan
X-Force
Conquest Apex 7
Cardiac
Challenger 37 OS2
Ultra Elite XT 2000 C2
Trykon
Vectrix
Vectrix XL
Slayer X Mag
Allegiance
Ultra Elite XT 3000 C2
Challenger 37 OS3
Frontier 2-Plus
Pro 3000
38 Ultra Vector
Avenger
Anaconda VT
Hornet 2-Plus
Black Max 2
Guardian
System 37 OS2
Challenger 37 P1
Ultra Elite XT 2000
38 Pro C2
Ultra Elite XT 3000
Taipan XP
CR334
CR331
SwpMstr Pro 34 OS3
AS300
Silverado
System 37 OS3
Suphan XP
Prestige
Pro Elite XT 3000 C2
38 Pro
38 Ultra
Constitution
AS400
Pro 2000
Drenalin
Velocity
Pro Elite XT 2000
Illusion
Commander
Stalker 34
Switchback
Nomad
Contender 37 OS2
System 37 P1
Mojo 3D NH
Stealth
Pro Elite XT 3000
TomKat
Python XP
Cougar Elite
Bullet-X Nitrous
Laser 3-D
Odyssey
Black Ice
Switchback XT
Mirage
Triad Dyna Cam
Triad Nitrous
Encore 33 OS2
Encore 33 OS3
Triumph
AR-35
Z-34
Z-32
Truth
Impact 31
Frontier
Zone 2
American Hunter
Mach-X
Spoiler Angle*
SwpMstr Pro 30 OS3
Contender 37 OS3
SwpMstr Pro 34 P1
Conquest Apex
Zone 3
Conquest 4
Diablo NH
Conquest 3
Evolution 37
Generation II
Challenger 39 OS2
Liberty
Encore 35 OS2
Encore 35 OS3
Code
Pantera Super Mag
Cougar SE
Saber SE Pro
Classic
Hornet
Slayer X Super Mag
Bengal Super Mag
Firestorm X
Rampage
Ridgeline 32
Innovator
Innovator Pro
Jaguar Magnum
Cheetah Super Mag
P3 Magnum
Cougar Magnum
Avalanche
Myst
Ridgeline 34
AS100
Mojo NH
Pro 4000
Vapor
AR-32
Zone 1
Catalyst NH
Mojo 3D NP
FX2
Titan 34
Mossy Oak X
Justice
SwpMstr Pro 32 OS3
Doc's Extreme Heat
Denali
Contender 37 P1
Rogue NH
Instinct
Scepter 4 Elite
Ultra Elite XT 3500 C2
Challenger 41 OS2
Pro Elite XT 2000 C2
Challenger 39 OS3
P3 Elite
Rapture
Bullet-X Vipro
Titan 32
Bighorn
Doc's Devastator
Doc's Sweet Demise
AR-31
Brute NP
Octane NP
Element
Vapor
CR337
Catalyst NP
Growler
Trailblazer XP
Bruin NP
Rogue NP
System 39 OS2
Challenger 41 OS3
Diablo NP
Firestorm Lite
Saber SE
Pioneer XP
Challenger 39 P1
Wildfire XP
Marauder
Bow Logic 32
Frontier
Bow Logic 34
Encore 33 P1
SwpMstr Pro 30 P1
Ultra Elite XT 3500
Rage One
Nova SU
Bruin SU
Mojo NP
System 41 OS2
Switchback LD
System 39 OS3
Challenger 41 P1
Encore 35 P1
Stealth LX
SwpMstr Pro 32 P1
Pro 5000
Rage
38 Pro XL C2
Pro Elite XT 3500 C2
Contender 39 OS2
System 41 OS3
System 39 P1
Storm
Legend XP
38 Pro XL
Buckhunter XP
Contender 41 OS2
Contender 39 OS3
System 41 P1
Pro Elite XT 3500
Montega
Contender 41 OS3
Caribou
Contender 39 P1
Contender 41 P1
Montega Wheel
PSE Deerhunter (Kit)*
 

Y
N
N
N
N
N
N
N
N
Y
N
N
N
N
N
Y
N
Y
Y
N
N
N
N
Y
N
Y
Y
Y
N
N
N
N
N
N
Y
N
Y
Y
N
N
N
N
N
Y
N
N
N
N
N
Y
Y
N
N
Y
Y
Y
N
Y
N
Y
N
Y
N
N
N
Y
N
Y
N
N
Y
Y
Y
N
Y
Y
Y
N
Y
N
N
Y
Y
Y
Y
Y
N
N
N
N
N
N
Y
Y
Y
Y
Y
Y
N
Y
N
N
Y
N
Y
Y
Y
Y
N
N
Y
Y
N
Y
Y
Y
Y
N
N
N
Y
N
N
N
N
N
Y
Y
Y
Y
N
Y
Y
N
Y
N
N
Y
N
Y
N
Y
N
Y
Y
N
N
N
Y
Y
Y
N
N
N
Y
Y
N
N
Y
Y
N
Y
N
Y
Y
Y
N
Y
Y
Y
Y
Y
N
Y
Y
N
N
Y
N
Y
Y
Y
N
Y
N
Y
N
N
Y
Y
Y
N
Y
N
Y
Y
Y
Y
N
N
Y
Y
Y
Y
N
Y
 

Binary
Twin
Twin
Twin
Twin
Hybrid
Twin
Single
Single
Twin
Hybrid
Hybrid
Hybrid
Hybrid
Twin
Binary
Hybrid
Hybrid
Twin
Hybrid
Hybrid
Hybrid
Twin
Twin
Single
Binary
Twin
Single
Hybrid
Hybrid
Hybrid
Single
Single
Single
Hybrid
Hybrid
Binary
Hybrid
Single
Single
Hybrid
Hybrid
Hybrid
Binary
Hybrid
Hybrid
Single
Single
Hybrid
Single
Binary
Single
Single
Hybrid
Twin
Single
Hybrid
Hybrid
Hybrid
Binary
Single
Twin
Twin
Single
Single
Single
Single
Single
Single
Twin
Twin
Hybrid
Single
Hybrid
Single
Single
Single
Single
Single
Hybrid
Single
Single
Single
Hybrid
Hybrid
Single
Single
Hybrid
Single
Hybrid
Single
Single
Hybrid
Twin
Single
Twin
Hybrid
Single
Single
Single
Single
Single
Single
Single
Single
Single
Hybrid
Hybrid
Single
Single
Single
Single
Single
Single
Single
Hybrid
Hybrid
Hybrid
Hybrid
Hybrid
Single
Hybrid
Hybrid
Hybrid
Single
Single
Single
Single
Single
Hybrid
Single
Single
Single
Hybrid
Single
Twin
Hybrid
Twin
Hybrid
Hybrid
Twin
Single
Single
Single
Hybrid
Single
Single
Single
Single
Single
Single
Hybrid
Single
Single
Hybrid
Single
Single
Single
Twin
Hybrid
Single
Hybrid
Single
Single
Single
Single
Hybrid
Single
Single
Single
Single
Single
Hybrid
Single
Twin
Twin
Single
Twin
Single
Hybrid
Single
Single
Single
Single
Hybrid
Twin
Hybrid
Hybrid
Twin
Hybrid
Single
Single
Single
Hybrid
Twin
Twin
Hybrid
Single
Hybrid
Hybrid
Hybrid
Hybrid
Single
Single
Hybrid
Twin
 

Solid
Solid
Solid
Solid
Solid
Split
Split
Solid
Solid
Solid
Split
Split
Split
Split
Solid
Solid
Split
Solid
Solid
Solid
Split
Split
Solid
Solid
Solid
Split
Solid
Solid
Split
Split
Split
Solid
Solid
Solid
Solid
Solid
Split
Solid
Solid
Solid
Split
Split
Split
Solid
Solid
Solid
Solid
Split
Split
Solid
Split
Solid
Solid
Solid
Solid
Solid
Solid
Solid
Split
Solid
Solid
Solid
Solid
Solid
Solid
Solid
Solid
Solid
Solid
Solid
Solid
Solid
Solid
Solid
Solid
Solid
Split
Solid
Solid
Solid
Solid
Split
Solid
Solid
Solid
Solid
Solid
Solid
Solid
Solid
Solid
Solid
Solid
Solid
Solid
Solid
Solid
Split
Solid
Solid
Solid
Solid
Solid
Solid
Solid
Split
Split
Split
Solid
Solid
Solid
Solid
Solid
Solid
Split
Solid
Split
Solid
Solid
Solid
Solid
Solid
Solid
Solid
Solid
Solid
Solid
Split
Solid
Solid
Solid
Split
Solid
Solid
Split
Solid
Split
Solid
Split
Solid
Solid
Solid
Solid
Solid
Split
Solid
Solid
Solid
Solid
Solid
Split
Solid
Solid
Solid
Split
Solid
Solid
Solid
Solid
Solid
Solid
Solid
Solid
Solid
Solid
Solid
Solid
Solid
Split
Solid
Solid
Solid
Split
Solid
Solid
Solid
Solid
Solid
Solid
Solid
Solid
Solid
Solid
Solid
Solid
Solid
Split
Split
Solid
Solid
Solid
Solid
Solid
Split
Solid
Solid
Solid
Solid
Split
Split
Solid
Split
Solid
Solid
Split
Solid
 

328
308
340
297
353
325
346
320
320
317
316
316
316
315
335
335
312
312
333
332
310
309
330
330
330
329
307
307
306
305
305
305
305
305
305
326
325
302
322
322
300
300
300
320
320
320
320
320
299
319
318
318
318
318
297
297
317
316
295
315
315
315
315
315
315
315
315
315
315
315
315
315
315
314
314
314
314
313
313
312
312
312
312
312
290
290
310
310
310
310
310
310
310
310
310
310
310
310
310
310
310
310
310
310
310
310
310
310
310
310
310
310
310
310
310
309
309
309
308
308
308
308
308
308
308
308
308
308
308
308
307
307
287
306
306
305
305
305
305
305
305
305
305
305
305
305
305
304
304
304
304
304
303
303
303
302
301
301
300
300
300
300
300
300
300
300
300
300
300
300
300
300
298
298
298
297
296
295
295
295
295
295
295
295
292
292
291
290
290
290
290
290
288
286
286
285
285
285
283
280
280
280
280
275
270
265
 

31.50
40.50
33.88
39.63
35.88
33.00
33.00
38.00
33.00
37.00
37.50
33.00
33.00
36.00
37.75
33.25
40.50
37.00
32.50
34.50
38.00
32.00
39.50
30.00
36.00
33.75
37.00
37.00
37.75
38.50
41.38
33.06
34.00
31.00
34.00
31.38
32.00
37.00
33.06
35.50
40.25
39.00
38.00
41.00
34.50
34.50
33.00
34.00
37.75
31.44
37.25
34.00
33.00
33.00
37.00
37.00
38.38
33.50
41.38
31.75
37.63
42.00
34.75
35.00
35.00
32.00
31.00
29.88
35.00
35.00
33.00
33.00
31.38
35.50
34.25
32.25
33.00
31.00
33.50
34.50
34.00
33.00
30.00
30.00
37.00
34.00
42.25
38.00
41.00
33.00
41.00
37.00
36.50
39.00
33.06
35.00
35.00
34.00
35.00
32.00
32.00
36.00
32.50
36.63
32.00
29.00
31.50
31.50
31.00
31.00
32.75
30.50
32.50
36.88
31.00
32.00
34.00
27.75
39.63
37.00
33.63
32.75
33.00
34.13
38.50
34.00
34.00
31.25
31.25
32.00
35.00
34.00
37.00
32.00
30.00
43.00
42.00
41.00
37.50
39.00
38.00
31.50
33.00
32.00
34.00
31.00
31.00
31.50
32.00
34.00
32.00
35.00
37.00
34.00
32.00
32.50
32.00
32.00
39.00
41.00
32.13
30.00
33.00
33.25
39.00
31.25
32.00
32.00
35.00
34.00
33.00
30.00
42.75
36.00
35.50
34.25
39.50
41.00
33.00
39.00
41.00
35.00
25.63
32.00
39.25
35.50
41.75
42.00
39.00
41.00
39.00
33.50
30.50
42.25
32.25
41.00
39.00
41.00
42.75
44.25
41.00
45.50
39.00
41.00
44.25
38.00
 

4.2
4.7
4.1
4.6
4.1
4.4
4.1
4.9
4.0
3.8
4.3
4.5
4.4
4.5
4.5
3.8
4.6
3.8
4.2
4.6
4.4
4.0
4.4
3.5
3.5
4.2
3.7
3.8
4.3
4.5
4.6
4.1
4.0
3.8
3.9
4.1
4.2
3.7
4.0
3.9
4.6
4.5
4.4
4.2
4.5
4.4
3.9
3.9
4.3
4.0
4.5
4.5
4.3
4.3
3.7
3.7
3.7
4.0
4.6
3.8
4.4
4.1
4.3
4.3
4.3
3.6
4.3
4.1
4.0
4.0
3.7
3.7
3.6
4.0
4.2
4.0
4.2
4.0
4.2
3.8
4.3
4.3
3.5
3.8
3.7
3.9
5.0
4.2
4.4
3.9
4.4
4.0
4.2
3.9
3.7
3.8
3.8
4.4
4.7
4.1
4.0
3.6
3.5
4.5
4.5
3.7
4.0
4.3
4.3
4.5
3.6
4.2
4.0
4.1
4.0
4.4
4.4
4.0
4.0
4.1
4.6
4.0
3.8
4.6
3.8
3.3
4.3
4.3
3.6
3.8
4.1
4.2
3.7
4.4
4.1
4.1
4.8
4.0
4.3
3.9
4.0
3.6
4.3
4.3
4.0
4.3
4.1
4.2
4.2
4.5
4.1
3.7
4.4
4.3
4.3
3.5
4.1
4.1
3.8
4.0
3.8
3.3
4.0
3.9
3.9
3.8
4.1
4.3
3.5
4.3
3.7
3.8
4.8
3.9
3.8
3.5
4.0
4.0
4.4
3.8
4.0
3.8
3.6
3.8
4.4
3.9
4.7
4.7
3.8
4.0
3.8
3.6
3.5
4.7
3.9
3.9
3.8
4.0
4.7
4.8
3.9
4.8
3.8
3.9
4.8
3.6
 

7.75
6.13
7.06
7.88
5.50
6.00
6.00
7.00
7.00
6.75
7.00
7.00
7.00
7.50
6.50
7.25
7.38
6.75
6.00
6.25
7.50
7.00
7.50
6.63
5.50
7.13
7.75
6.75
7.25
8.25
7.38
8.25
7.75
7.75
7.50
7.00
7.25
7.75
7.25
6.00
8.75
8.38
7.75
8.25
7.25
7.25
7.00
6.50
8.13
7.19
7.50
7.38
7.00
6.63
8.75
7.75
7.00
7.50
8.63
8.50
7.25
6.50
7.25
7.00
7.00
7.50
7.50
7.69
6.50
6.50
7.25
7.25
7.00
7.25
7.25
7.25
7.00
7.38
6.75
7.19
7.63
7.25
7.00
6.70
8.75
7.50
8.00
7.81
7.00
8.25
7.00
7.38
7.50
7.00
7.63
7.60
7.60
7.38
7.00
7.50
7.50
7.00
7.19
6.25
7.00
7.50
7.00
7.00
7.00
7.00
7.00
7.00
7.00
6.00
6.25
7.75
7.25
6.75
8.13
7.75
8.13
8.00
7.88
7.38
6.81
7.50
7.00
7.50
7.38
7.00
7.00
7.00
8.75
8.25
7.50
8.00
8.13
7.50
8.00
7.00
7.00
7.75
7.25
7.38
7.38
7.00
7.00
8.25
8.00
7.38
7.75
7.50
7.75
7.38
7.25
7.50
8.13
8.13
8.00
7.50
8.38
8.75
8.00
7.75
7.00
7.88
7.63
7.50
7.25
7.00
7.25
6.70
8.00
8.50
7.75
6.88
8.44
8.50
9.00
8.00
7.50
7.60
8.00
7.00
8.75
8.25
8.75
9.25
9.00
8.50
8.00
7.25
8.00
9.00
7.25
9.50
9.00
8.50
9.25
9.25
9.50
8.50
9.00
9.50
9.25
7.75
 

50-100
70-100
40-80
70-100
40-70
40-80
50-70
30-80
40-80
40-80
40-80
40-80
40-80
40-80
50-70
50-70
40-80
40-80
50-70
40-70
40-80
40-80
30-70
50-70
30-70
40-70
40-80
40-80
40-80
40-80
40-80
40-80
40-80
40-80
40-80
40-70
50-70
40-80
40-70
30-70
40-80
40-80
40-80
40-70
40-70
40-70
30-70
50-70
40-80
50-70
40-70
50-70
30-70
50-70
40-80
40-80
40-70
40-70
40-80
40-70
40-70
50-70
50-70
50-70
50-70
40-70
30-70
50-70
50-70
50-70
40-70
40-70
40-70
50-70
40-70
40-70
50-70
50-70
50-70
50-70
40-70
50-70
40-70
40-70
40-80
40-80
30-70
50-70
30-70
50-70
30-70
50-70
40-70
40-70
40-70
40-70
40-70
50-70
50-70
50-70
50-70
30-70
50-70
50-70
50-70
50-70
40-70
40-70
50-70
50-70
50-70
50-70
50-70
50-70
50-70
50-70
40-70
40-70
40-70
40-70
50-70
50-70
50-70
50-70
40-70
30-70
50-70
50-70
30-70
40-70
50-70
50-70
40-80
50-70
40-70
50-70
40-70
40-70
40-70
40-70
50-70
40-70
50-70
50-70
40-70
50-70
50-70
50-70
50-70
50-70
40-70
40-70
40-70
50-70
40-70
50-70
50-70
50-70
40-70
40-70
50-70
50-70
50-70
50-70
40-70
40-70
40-70
50-70
40-70
50-70
40-70
40-70
40-70
40-70
40-70
50-70
40-70
40-70
30-70
40-70
40-70
40-70
40-70
40-70
30-70
45-65
40-70
40-70
40-70
40-70
40-70
40-70
50-70
40-70
40-70
40-70
40-70
40-70
40-70
40-70
40-70
40-70
40-70
40-70
40-70
30-65
 

26.5-30.5
25-30
25-30
27-32
25.5-30
24-30
26-30
23-30.5
26.5-30
27-32
24.5-32
25-31
25-31
25.5-31.5
25-31
26.5-30.5
26-33.5
25-32
26-31
25-30
27-33
22-30.5
27-32
25-30
25-30
25-30
28-33
24-31
23.5-32
26-32
25-33.5
26-31
26-31
26-30.5
25-32
25-30
27-30
26-33
25-30
22-29
27-33
25-33.5
24.5-33
27-30.5
26-31
26-31
25-30
26-30
24.5-33
25-30
27-32
25-30
26-30
27-30
28-33
25-32
26-30
26-30.5
26-34.5
27-31
26-31
25-33
24-30
26-31
26-31
26-30
25-30
25-30
24-30
25-31
26-31
24-31
26-31
26-30
27.5-31.5
27-31
23-30
24-29
26-31
26-30
26-31
27-31
23-29
23-30
26-33
24-31
25-32
26-30
24-32
26-30
24-32
26-31
27-31.5
28-33
25-30
27-32
25-32
24-31
25-30
25-30
25-30
27-31
25-30
25-30
25-30
25-30
25-30
25-30
25-30
25-30
25-30
25-30
25-30
25-30
25-29
27-30
25-30
24-29
27-31
27-32
27-32
26-30
26-30
26-30
26-31
27-31
25.5-30.5
26-31
25-30
24-31
26-31
26-30
25-32
26-30
23-30
27-32
27-34.5
29-34
26-33.5
26-33
24-31
27-32
26-32
25.5-30.5
25-30
25-30
25-30
25-30
25-30
25-30
24-31
26-30
27-31.5
25-30
25-30
26-31
25-30
25-30
29-34
27-34
25-30
26-30
26-31
26-31
25-32
24-30
26-30
27-30
26-30
27-30
23-30
22-29
26-34.5
25-31
26-31
25-30
27-32
30-35
27-32
27-34
26-33
24-31
24-29
23-30
25.5-33.5
21-31
27.5-33.5
28.5-34
29-34
28-35
26-33
26-30
26-31
26.5-33
26-31
28-35
27-34
27-34
27-34.5
27.5-33
28-35
27-31
26-33
27-34
27.5-34
23-30
 

65-80%
65%
70%
65%
70%
65/75%
65/80%
65%
65/80%
60-80%
65%
65/80%
65/75%
65/75%
65/80%
65-80%
65%
60-75%
65/70%
80%
65/75%
65/75%
70%
65/70%
60/80%
65-80%
60-80%
60-80%
65/75%
65%
65/75%
65-80%
65/80%
65/80%
60-75%
80%
65/80%
60-75%
65-80%
65%
65%
65/75%
65/75%
65-80%
80%
80%
65/80%
65/80%
65/75%
65/80%
65-80%
80%
65/80%
65/80%
60-80%
60-80%
65/80%
75%
65/75%
65-80%
65-80%
65/80%
65/75%
65/80%
65/80%
65-80%
65/80%
80%
65/75%
65/75%
60-80%
60-75%
65-80%
65/75%
75%
75%
80%
80%
65/80%
75%
80%
65-80%
75%
60-75%
60-75%
60-80%
65%
75%
60/65/80%
65/80%
60/65/80%
80%
75%
60-80%
65-80%
60-80%
60-75%
75%
65/80%
65/80%
65/80%
65/80%
65/80%
65/80%
65/80%
65-80%
65/75%
65/75%
65/80%
65/80%
65/80%
65/80%
65/80%
65/80%
65/80%
75%
65/75%
80%
65/80%
80%
65/80%
65/75%
75%
65/80%
65/80%
65/80%
65-80%
65-80%
65-80%
60-75%
65/80%
65/80%
60-80%
65/80%
75%
65/80%
65%
60-80%
65%
60-75%
65/80%
65-80%
N/A
65-80%
65/75%
65/80%
65/80%
65/80%
65/80%
65/80%
75%
80%
65/80%
65/80%
65/75%
80%
65/80%
65/80%
60-80%
60-75%
65/80%
65/80%
65/80%
80%
60-80%
65/80%
80%
65-80%
65/80%
65-80%
60-80%
60-80%
65/75%
70%
75%
75%
65/80%
60-80%
65/80%
60-75%
60-80%
60-80%
65/80%
60-80%
80%
70%
65%
65%
60-80%
60-75%
60-80%
75%
80%
65/75%
75%
60-80%
60-75%
60-80%
65/75%
65/75%
60-75%
65/75%
60-80%
60-80%
65%
65%
 

$699
$899
$824
$899
$824
$739
$799
$1,199
$659
$599
$1,049
$649
$699
$739
$699
$699
$1,049
$599
$699
$739
$759
$599
$859
$639
$659
$749
$599
$599
$1,049
$759
$1,049
$779
$629
$599
$549
$649
$649
$599
$779
$949
$1,049
$759
$759
$749
$679
$729
$799
$799
$1,049
$749
$749
$660
$699
$699
$599
$599
$699
$679
$1,049
$549
$859
$849
$799
$769
$679
$649
$749
$649
$649
$789
$649
$649
$479
$679
$499
$499
$549
$639
$699
$603
$429
$739
$399
$549
$599
$549
$1,199
$603
$849
$599
$699
$678
$859
$599
$599
$649
$635
$499
$479
$549
$449
$559
$639
$699
$399
$699
$499
$549
$679
$749
$299
$349
$379
$499
$589
$449
$599
$529
$699
$769
$549
$679
$691
$529
$699
$429
$659
$599
$499
$549
$559
$589
$599
$429
$399
$899
$1,049
$599
$1,049
$599
$629
$399
$749
$659
$349
$679
$579
$499
$399
$469
$299
$379
$649
$499
$449
$399
$299
$399
$599
$599
$599
$379
$349
$599
$599
$329
$599
$499
$299
$499
$649
$549
$1,049
$279
$259
$259
$699
$599
$749
$599
$599
$635
$429
$549
$789
$279
$759
$1,049
$599
$599
$599
$319
$499
$759
$299
$599
$599
$599
$1,049
$789
$599
$549
$599
$599
$789
$219
 

78
78
75
91
64
67
65
80
75
76
79
76
76
84
77
76
87
77
65
70
85
75
88
67
64
76
85
77
83
92
89
86
84
79
79
72
75
86
77
68
99
94
87
97
79
79
75
73
90
74
86
80
75
72
94
86
80
80
100
85
84
82
80
79
79
78
77
76
75
75
75
75
73
81
80
77
76
76
75
80
79
78
68
66
95
81
95
90
88
86
85
85
82
82
81
81
81
81
79
79
79
78
77
76
75
74
74
74
73
73
73
72
72
71
67
81
80
66
92
88
86
84
83
81
80
79
78
78
77
72
79
78
95
85
76
96
96
90
88
83
81
80
79
78
78
74
74
84
83
81
81
81
89
81
77
80
84
84
91
90
87
86
85
83
83
81
81
80
79
79
76
67
97
91
84
75
95
98
93
91
91
82
74
73
101
88
102
106
100
99
92
78
82
105
79
107
100
99
108
111
108
107
101
108
112
91
 

119.5
105.3
102.7
98.0
96.9
93.8
93.1
91.0
91.0
89.3
88.7
88.7
88.7
88.2
87.2
87.2
86.5
86.5
86.2
85.7
85.4
84.8
84.7
84.7
84.7
84.1
83.7
83.7
83.2
82.6
82.6
82.6
82.6
82.6
82.6
82.6
82.1
81.0
80.6
80.6
80.0
80.0
80.0
79.6
79.6
79.6
79.6
79.6
79.4
79.1
78.6
78.6
78.6
78.6
78.4
78.4
78.1
77.6
77.3
77.1
77.1
77.1
77.1
77.1
77.1
77.1
77.1
77.1
77.1
77.1
77.1
77.1
77.1
76.6
76.6
76.6
76.6
76.2
76.2
75.7
75.7
75.7
75.7
75.7
74.7
74.7
74.7
74.7
74.7
74.7
74.7
74.7
74.7
74.7
74.7
74.7
74.7
74.7
74.7
74.7
74.7
74.7
74.7
74.7
74.7
74.7
74.7
74.7
74.7
74.7
74.7
74.7
74.7
74.7
74.7
74.2
74.2
74.2
73.7
73.7
73.7
73.7
73.7
73.7
73.7
73.7
73.7
73.7
73.7
73.7
73.3
73.3
73.2
72.8
72.8
72.3
72.3
72.3
72.3
72.3
72.3
72.3
72.3
72.3
72.3
72.3
72.3
71.8
71.8
71.8
71.8
71.8
71.4
71.4
71.4
70.9
70.4
70.4
70.0
70.0
70.0
70.0
70.0
70.0
70.0
70.0
70.0
70.0
70.0
70.0
70.0
70.0
69.0
69.0
69.0
68.6
68.1
67.7
67.7
67.7
67.7
67.7
67.7
67.7
66.3
66.3
65.8
65.4
65.4
65.4
65.4
65.4
64.5
63.6
63.6
63.1
63.1
63.1
62.3
60.9
60.9
60.9
60.9
58.8
56.7
54.6
 

Maximum KE Output Rating

Starting in 2006, we added a new column to our charts, Max KE Output.  How much penetration, or knock-down power, your arrows will have is a matter of kinetic energy (read more). Arrows which impact the target with more kinetic energy will penetrate the target more deeply than arrows with less kinetic energy. Kinetic energy is the energy of motion. Any object which has motion has kinetic energy. Total kinetic energy depends upon two variables: the mass of the object and the speed of the object. And since IBO speed ratings offer both these variables, computing KE Output is pretty simple.

COMPUTATION:  If a bow has an accurate IBO Speed of 310 fps, that means it can push a 350 grain arrow to a speed of 310 fps when the bow is set for 70# peak draw weight and 30" draw length. So in order to compute KE, we just figure how much energy is in a 350 grain arrow traveling at 310 fps.

For this, we use the archer's KE formula [ KE=mv²/450240 where m=mass and v=velocity ], a variation of the standard KE=1/2mv² formula you surely remember from high-school. The standard formula would work fine, but not without some work to get the units straightened out. The standard equation uses kilograms and meters-per-second and yields Joules of KE. But shooters weigh arrows and other projectiles in grains (an old British unit based on a grain or barley) and we measure projectile speeds in feet-per-second. The shooting sports also tend to like KE expressed in ft-lbs, rather than Joules. So the 450240 is used as a nice clean conversion factor to get all the units to jive, so we can easily plug in grains and fps into the KE=mv²/450240 formula and get KE in ft-lbs.

Back to our example. How much KE does a 350 grain arrow have when flying 310 fps?

KE = mv²/450240
KE = (350)(310²)/450240
KE = 74.7046 ft-lbs.

HEAVY DRAW WEIGHT BOWS:  A few bows are offered with a choice of peak weights that exceed the standard 70 lbs. In this case, our maximum KE output rating will reflect the bow set for it's highest peak weight. So if a bow has an IBO speed of 300 fps, but is available in an 80# version, we compute the KE using a 400 grain arrow (5 grains per pound) rather than the usual 350 grain arrow. You will note that 80, 90, and 100# bows are rated to generate significantly more KE, although their IBO speed numbers may not be particularly high.

For example, the new 2007 PSE Big Five (an African Hunting Setup) has an IBO Speed of 308 fps, but the bow is available up to 100# of draw weight.  So if we assume the bow can shoot a 500 grain arrow (again....5 grains per pound) at 308 fps, then the Max KE computation looks more like this.....

KE = mv²/450240
KE = (500)(308²)/450240
KE = 105.35 ft-lbs.
A FINAL NOTE: Although heavy draw weight bows will generate more KE, shooting more draw weight doesn't necessarily yield more speed. The heavier the draw weight, the heavier the bow's arrow requirements. So for many bows, a 70#/350gr setup will shoot roughly the same speed as a 60#/300gr setup, or even an 80#/400gr setup. The ratio of draw weight to arrow mass is critical to actual arrow velocity. The lighter the arrow, the faster is goes. But you shouldn't cheat the standards to gain a little more speed. Shooting underweight arrows is not only dangerous, but it also voids the factory warranty on your bow. Always shoot at LEAST 5 grains of arrow weight for every pound of draw weight on your bow.
Charts Navigation
Return to Main Directory
------------
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------------
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------------
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------------
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Compound Bow Selection Guide


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