Sound Data as of 9/11/2007
Eng Mfg
Model
dB A
Pass/Fail
Mount
Muf Mfg
Model
Prop Mfg
Model
Size
RPM
Nitro
Type
3W
200
95
P
Hard
3 W
Stock
Fuchs
Carbon
34X13
4700
N/A
2 Stroke
BME
?
87.33
P
Hard
BME
Stock
Zinger
?
24X12
6500
N/A
2 Stroke
BME
?
88.33
P
Hard
BME
Stock
Menz
?
24X12
5700
N/A
2 Stroke
BME
?
94.33
P
Hard
BME
Stock
BME
Wood
27X10
6400
87 OT
2 Stroke
BME
100
91.33
P
Hard
BME
Stock
Zinger
Pro
26X10
6350
0
2 stroke
BME
105
85
P
Hard
BME
Stock
Menz
S
26X10
6000
N/A
N/A
BME
110
95.33
P
Hard
BME
Stock
Zinger
Pro
26X10
6500
N/A
N/A
DA
100
96
P
Hard
DA
Stock
Air Models
n/a
25X12
6600
0
Auto
DA
100
96.33
F
Hard
DA
Stock
Menz
?
27X10
6200
0
2
Stroke
Evolution
Stock
81.33
P
Hard
Evolution
Stock
Zinger
JZ
12X4
10850
15
2 Stroke
Irvine
N/A
84.33
P
Hard
Irvine
Stock
APC
Sport
12.5X6
10400
15
2 Stroke
Jet Cat
P-200
95
P
Hard
N/A
N/A
X
Jet Cat
Turbine
95
P
Hard
Jet Cat
P200
na
Vein
5X30
105000
na
Petro
K & B
0.61
88.33
P
hard
K & B
canister c
ast
Master Airscrew
Glass filled
11X7
12000
15
2-stroke
Magnum
?
78.33
P
Hard
Magnum
Stock
?
?
7X8
13300
10
2 Stroke
Magnum
4cycle
73.33
P
soft
Magnum
stock
APC
glass
11X7
8600
15
4-stroke
OS
?
75
P
Hard
Hatori
Stock
N/A
N/A
N/AXN/A
1600
30
Heli
OS
?
78.33
P
Hard
OS
?
n/a
n/a
?Xn/a
1400
15
2 Stroke
OS
?
82.33
P
Hard
OS
Stock
n/a
n/a
n/aXn/a
1460
15
2 Stroke
OS
?
84.67
P
Hard
OS
Stock
Master Airscrew
Scimitar
11X8
12200
15
2 Stroke
OS
46FXH
80
P
Hard
Mavrikk
n/a
n/a
n/a
n/aXn/a
1640
30
Heli
OS
61 SX-H
77
P
Hard
Hatori
669
n/a
n/a
n/aXn/a
15500(eng)
30
Heli
OS
AX
81.67
P
Hard
OS
Stock
APC
Sport
11X6
11200
5
2 stroke
OS
EFI 1.40
84.33
P
Soft
Hatori
Stock
APC
Pattern
17X12
8100
20
Heli
OS
EFI 1.40
86.17
P
Soft
Hatori
Stock
APC
Pattern
17X10
8600
20
Heli
OS
FS
74.33
P
Hard
OS
Stock
Master Airscrew
Sport
10X6
10900
15
@ Stroke
OS
FS
75.33
P
Hard
Macs
Stock
APC
Sport
9X5
13700
15
2 Stroke
OS
FS
80
P
Hard
OS
Stock
APC
Sport
10X7
10800
15
2 Stroke
OS
FS
82.33
P
Hard
OS
Stock
APC
Sport
13X7
10200
15
2 Stroke
OS
FS
83.33
P
Hard
OS
Stock
Master Airscrew
Sport
12X6
N/A
15
4 Stroke
OS
FSR
89.33
P
Hard
OS no baffle
Stock
Master Airscrew
n/a
14X6
10800
?
?
OS
FX
76
P
Hard
OS
Stock
APC
Sport
12X8
10400
15
2 Stroke
OS
FX
79
P
Hard
Tower
Stovk
APC
Sport
11X5
?
15
2 Stroke
OS
FX
79.33
P
Hard
OS
Stock
Hobbyco
?
11X5
13000
15
2 Stroke
OS
FX
80.33
P
Hard
OS
Stock
APC
Sport
13X7
11500
10
2 Stroke
OS
FX
80.33
P
Hard
?
Pitts
APC
Sport
15X7
13300
15
2 Stroke
OS
FX
80.67
P
Hard
OS
Stock
Master Airscrerw
Sport
11X6
11500
15
2 Stroke
OS
FX
81
P
Hard
OS
Stock
Zinger
?
11X6
10150
10
2 Stroke
OS
FX
82
P
Hard
OS
Stock
Master Airscrew
Sport
10X6
13480
10
2 Stroke
OS
FX
82.33
P
Hard
Bison
Pitts
APC
Sport
15X6
9300
15
2 Stroke
OS
FX
83.33
P
Hard
Bison
Pitts
Master Airscrew
Sport
15X8
8200
15
2 Stroke
OS
FX
85
P
Hard
Macs
Stock
APC
Sport
12X9
9800
15
2 Stroke
OS
FX
85.33
P
Hard
OS
Stock
Master Airscrew
Sport
10X7
12900
15
2 Stroke
OS
FX
86.67
P
Hard
Macs
Stock
APC
Sportr
12X8
10000
15
2 Stroke
OS
FX
89
P
Hard
OS
Stock
Zinger
Reg.
16X5
9000
25
Heli
OS
FX-H
86
P
Hard
V Tec
?
n/a
n/a
n/aXn/a
1770
20
Heli
OS
LA
78.33
P
Hard
OS
Stock
APC
Sport
9X5
12200
15
2 Stroke
OS
RX
80
P
Soft
OS
Stock
APC
Pattern
15X12
8400
25
2 Stroke
OS
RX
82
P
Soft
Mintor 3 M
Carbon
APC
Pattern
17X10 N
8200
20
2 Stroke
OS
RX
85
P
Soft
Mac
140 FAI
APC
Pattern
17X10
8600
15
2 Stroke
OS
Surpass
86.67
P
Hard
OS
Stock
APC
Sport
15X8
9100
#1
4 Stroke
OS
Surrpass
81.33
P
Hard
OS
Stock
Master Airscrew
Sport
14X8
8600
15
2 Stroke
OS
SX
74
P
Hard
OS
Stock
APC
Sport
12X6
10320
15
2 Stroke
OS
SX
75.67
P
Hard
OS
Stock
APC
Sport
11X7
10900
15
@ Stroke
OS
SX
76
P
Soft
OS
Stock
APC
Sport
12X6
9840
?
?
OS
SX
83.17
P
Hard
OS
Stock
APC
Sport
12X7
10600
20
2 Stroke
OS
SX-H
77.67
P
Hard
Thunder Tiger
Stock
N/A
N/A
N/AXN/A
1650
30
2 Stroke
OS
SX-H
78.33
P
Hard
Thunder Tiger
Stock
N/A
N/A
N/AXN/A
N/A
30
Heli
OS
SX-H
82.67
P
Hard
Mavrikk
Stock
N/A
N/A
N/AXN/A
1800
20
Heli
OS
SZ
82.33
P
Hard
Heli Proz
Stock
N/A
N/A
N/AXN/A
1600
30
Heli
OS
Unknown
87.67
P
Hard
Macs
?
Master Airscrew
?
10X6
8100
15
2 Stroke
OS
ZX-H
82
P
Hard
KSJ
Fun Tech
90
n/a
n/a
n/aXn/a
1780
20
Heli
OS
ZX-h
85.67
P
Hard
Mavrikk
Stock
N/A
N/A
N/AXN/A
1600
30
hELI
Saito
?
81
P
Hard
Saito
Stock
Master Airscrew
Sport
13X6
9300
15
2 Stroke
Saito
?
83
P
Hard
Saito
Stock
Zinger
?
14X8
8300
10
?
Satio
150
85.33
P
Hard
Satio
Stock
Master Airscrew
Classic
16X6
8100
15
2 Stroke
Satio
FA 91
83.33
P
Hard
Satio
Stock
Zinger
JZ
14X4
9800
15
2 Stroke
Satio
FA-65
84
P
Hard
Satio
Stock
APC
Sport
13X6
9600
15
2 stroke
Super Tiger
2500
83.83
P
Hard
Super Tiger
S-70
Zinger
J-Z
18X6-10
7000
15
2 Stroke
Super Tiger
ST 2000
84.67
P
Hard
?
?
Zinger
JZ
16X8
7600
15
2 Stroke
Super Tiger
ST3000
89.33
P
Hard
Bison
Pitts Style
Master Airscrew
Classic
18X8
7300
15
2 Stroke
SuperTiger
G90
82.33
P
Hard
Super Tiger
Stock
Master Airscrew
K Series
14X8
10000
15
2 Stroke
Thunder Ti
ger
?
84
P
Hard
Mavrikk
Heli
N/A
N/A
N/AXN/A
?
15
2 Stroke
Thunder Ti
ger
Pro
84.67
P
Hard
Thunder Tiger
Stock
APC
Sport
12X6
12100
15
2 stroke
Thunder Ti
ger
Pro
85
P
Hard
Thunder Tiger
Stock
Master Airscrew
Sport
?X?
15200
10
2 Stroke
Tower
?
86
P
Hard
Tower
Stock
Master Airscrew
Sport
11X6
10000
15
2 Stroke
Tower
60
95.33
P
hard
Tower
Stock
APC
Sport
11X7
13500
15
2-stroke
Tower 40
?
88
P
Hard
Tower
Stock
APC
Sport
11X6
10900
15
2 Stroke
Webra
?
80.67
P
Soft
Webra
Stock
APC
Pattern
15X12.5
7620
15
2 Stroke
YS
?
80
P
Hard
YS
Stock
APC
Pattern
14X10
8200
15
2 Stroke
YS
140FZ
82
P
soft
Hatori
Stock
APC
Pattern
15X10
8800
25
2 stroke
YS
FZ
76.33
P
Soft
?
?
APC
Pattern
15X8
9000
25
?
YS
FZ
80.33
P
Soft
Hatori
Stock
APC
Pattern
15X12
8400
30
2 Stroke
YS
FZ
80.67
P
Soft
Macs
?
APC
Pattern
15X11
8700
25
2 Stroke
Zenoah
G-45
88.83
P
Hard
Zenoa
Stock
Zinger
?
20X10
6590
0
Gas
Zenoah
G38
84.5
P
Hard
J- Tech
Pitts
Zinger
?
18X8-14
6400
N/A
2 Stroke