Prop power and thrust calculation sheet
Light green fields are for input, sky fields are calculated output
To Determine Required HP then use this Equation
engine 1 engine 2
Propeller Length 0.115789 7.0 Inches 0.316406 9.0
Propeller Pitch 0.416667 5.0 Inches 0.416667 5.0
Engine Speed 4913 17,000 RPM 4291.016 16,250
Required HP 0.38 > 0.28 0.91
Thrust generated 2.3 1041 5.5
To Determine Required RPM then use this Equation
(how fast will my prop spin on that engine??)
Propeller Length 9.378906 21.0 Inches
Propeller Pitch 1 12.0 Inches
HP Produced 3725 6.0 HP
Required Engine Speed 7,336 RPM
To Determine Required Pitch then use this Equation
(what pitch can I use with a certain dia prop??)
Propeller Length 16 24.0 Inches
Engine Speed 216 6,000 RPM
HP Produced 3725 6.00 HP
Required Propeller Pitch 12.9 Inches
To calculate the proper propeller Dia for your plane by propeller disk loading (oz/ft2)
oz/grams grams/oz 100 oz 150 oz
plane weight Oz 210.5 5999
plane weight grams 6000 210.5
prop selection max / min diameter 18 max min
119.1791
Under construction
mail to Pé Reivers
e for input, sky fields are calculated output
power ratio eng.2/eng.1
2.39
Set this value first!
propellor constant: 1.20
APC 1.15
Graupner 1.45
MA 1.00
Mejzlik 1.18
Mejzlik-N 1.12
MenzS 1.31
Zinger 1.20
generic 3-blade 1.85
generic 4-blade 2.50
The proper disk loading is about 120
oz, but if need be can be raised up to
200 oz for very fast planes
Cliff Griffin Compiled data
3W 3W-150 150 Menz 32 10 5700
3W 3W-150iB2 150 Menz 32 10 5360
3W 3w-160 160 Menz 32 10 5100
3W 3w-160 160 Menz 32 10 5500
Amsoil
DA DA-150 150 Menz 32 10 5500
100:1
92,
DA DA-150 150 Mejzlik 32 10 5760
LB50:1
Amsoil
DA DA-150 150 Menz 32 10 6200
100:1
ZDZ ZDZ 160 160 Menz 32 10 6000
ZDZ ZDZ 160 160 Flytech 32 10 6300
3W TOC 140 140 Menz 32 12 5300
3W TOC 140 140 Menz 32 12 5900
3W 3W-150iB2 150 Menz 32 12 5170
Zenoah G62 62 Menz 32 12 3900
3W 3W-150iB2 150 Menz 30 10 6450
3W 3W-150iB2 150 Menz 30 12 5740
3W 3W-100 100 Menz 28 10 6200
89,
3W 3W-100 100 Mejzlik 28 10 6500 Amsoil
50:1
3W 3W-100 100 Mejzlik 28 10 6500
Fox 6.4 twin 105 Mejzlik 28 10 6700
ZDZ 80
ZDZ 80 Mejzlik 28 10 5900
Single
3W 3W-150iB2 150 Menz 28 12 6380
3W 3W-100B2 100 Mejzlik 27 10 6200
3W 3W-100B2 100 Mejzlik 27 10 6600
BME BME 5.8 95 Mejzlik 27 10 6250
50:1Quick
Brison Brison 6.4 104.64 Mejzlik 27 10 5900
silver
Mac Minarelli Mac85 85 Bolly 26 8 6900
3W 3W-80 80 Mejzlik 26 10 6400
3W 3W-80 80 Mejzlik 26 10 6750
3W 3W-100 100 Menz 26 10 6400
3W 3W-100 100 N Mejzlik 26 10 6400
3W 3W-100 100 Menz 26 10 6800
3W 3W-100 100 Mejzlik 26 10 6900
3W 3W-100 100 Mejzlik 26 10 6900
3W 3W-100 100 Mejzlik 26 10 6900
Air Hobbies
Air Hobbies 100 Menz 26 10 7500
6.0 Twin
BME BME 5.8 95 Menz 26 10 6300
50:1Quick
BME BME 5.8 95 Bolly 26 10 6400
silver
BME BME 5.8 95 Mejzlik 26 10 6450
BME BME 5.8 95 Ultra Menz 26 10 6850
BME BME 5.8 95 Mejzlik 26 10 6600
BME BME 5.8 95 Mejzlik 26 10 6950
BME BME 6.2 102 Menz 26 10 6200
BME BME 6.2 102 Menz 26 10 6480
BME BME 6.2 102 Mejzlik 26 10 6900
50:1Quick
Brison Brison 6.4 104.64 Menz 26 10 6400
silver
Brison Brison 6.4 104.64 Menz 26 10 6600
87,50:1H
Brison Brison 6.4 104.64 Mejzlik 26 10 6900
onda
87,50:1H
Brison Brison 6.4 104.64 Bolly 26 10 7100
onda
First Place
FPE 5.8ci 95 Bolly 26 10 6000
Engines
Quadra 100
Quadra 100 Menz 26 10 6600
XL
ZDZ ZDZ 60 60 RCS 26 10 5900
ZDZ 80
ZDZ 80 RCS 26 10 6000
Single
94 40:1
ZDZ 80
ZDZ 80 Menz 26 10 6100 mineral
Single
oil
ZDZ 80
ZDZ 80 RCS 26 10 6400
Single
ZDZ 80
ZDZ 80 Ultra Menz 26 10 6500
Single
ZDZ zdz80b2rv 80 Menz 26 10 5400
ZDZ zdz80b2rv 80 Menz 26 10 5400
ZDZ zdz80b2rv 80 Menz 26 10 5500
ZDZ zdz80b2rv 80 Forte 26 10 5600
ZDZ zdz80b2rv 80 Menz 26 10 5600
ZDZ zdz80b2rv 80 Menz 26 10 5800
ZDZ zdz80b2rv 80 Menz 26 10 5900
ZDZ zdz80b2rv 80 Mejzlik 26 10 6000
ZDZ zdz80b2rv 80 Mejzlik 26 10 6000
ZDZ zdz80b2rv 80 Forte 26 10 6100
ZDZ zdz80b2rv 80 Fuchs 26 10 6300 95
ZDZ zdz80b2rv 80 Mejzlik 26 10 6400
ZDZ zdz80b2rv 80 Mejzlik 26 10 6400
ZDZ zdz80rv 80 Menz 26 10 6100
ZDZ zdz80rv 80 RCS 26 10 6200 91Oct
ZDZ zdz80rv 80 Menz 26 10 6400
Brison Brison 6.4 104.64 Menz 26 12 6300
BME BME 5.8 95 Mejzlik 26 10n 6800
BME BME 5.8 95 Mejzlik 26 10n 6750
BME BME 5.8 95 Mejzlik 26 10n 7100
Quadra Quadra 75 XL 75 Menz 24 8 7100
Zenoah Z445 74 Menz 24 8 6500
Zenoah Z445 74 Menz 24 8 7100
75:1
3W 3W-60k 60 Menz Ultra 24 10 6400
Amsoil
Brison Brison 4.2 69 24 10 7000
First Place
FPE 4.2ci 69 Bolly 24 10 6500
Engines
Mac Minarelli Mac85 85 Menz 24 10 6700
Quadra Quadra 75 XL 75 Menz 24 10 6500
Sachs Walker 4.2 68 MA 24 10 6300
Sachs Walker 4.2 68 Bolly 24 10 7000
ZDZ ZDZ 60 60 Zinger Pro 24 10 6500
ZDZ zdz80 twin 79 Menz 24 10 6400
ZDZ 80
ZDZ 80 Menz 24 10 6450
Single
ZDZ ZDZ 80b2rv 80 Menz 24 10 6500
ZDZ zdz80b2rv 80 Moki 24 10 6400
ZDZ zdz80b2rv 80 Moki 24 10 6600
ZDZ zdz80b2rv 80 Moki 24 10 7000
Zenoah Z445 74 Zinger 24 10 7000
Zenoah Z445 74 Ultra Menz 24 10 7150
Zenoah Z445 74 Menz 24 10 7300
Zenoah GT80 80 Bolly 24 10 7250
ZDZ zdz80 twin 80 Zinger 24 12 5800
ZDZ zdz80 twin 80 Zinger 24 12 6400
ZDZ zdz80rv 80 Bolly 24 12 7200
ZDZ ZDZ 60 60 Mejzlik 23 10 7200
DA DA50 50 Mejzlik 23 8 6500
Zenoah Z445 74 Ultra Menz 23 10 7500
Brison 3.2 3.2 53 BME 22 8 6650
DA DA50 50 zinger 22 8 7600
DA DA50 50 BME 22 8 6450
Brison Brison 3.2 52.3 Mejzlik 22 8 7200
Brison Brison 3.2 52.3 Mejzlik 22 8 7200
Brison Brison 3.2 52.3 Menz 22 8
Fox Fox 2.4 39.3 APC 22 8 6700
ZDZ ZDZ 60 60 Menz 22 8 7000
Zenoah G62 62 Zinger 22 10 7900
Zenoah G62 62 Ultra Menz 22 10 7600
Zenoah G62 62 Menz 22 10 7500
Zenoah G62 62 Mejzlik 22 10 7420
Brison Brison 3.2 52.3 Ultra Menz 22 10 7400
Zenoah G62 62 Zinger 22 10 7400
3W 3W-48 48 Bolly 22 10 7300
Brison Brison 3.2 52.3 Menz 22 10 7300
Brison Brison 3.2 52.3 Mejzlik 22 10 7200
Zenoah G62 62 APC 22 10 7200
3W 3W-48 48 Mejzlik 22 10 7100
DA DA-50 50 mejzlik 22 10 7000
ZDZ ZDZ 40 40 Ultra Menz 22 10 7000
Brison Brison 3.2 52.3 Mejzlik 22 10 6950
BME BME 61 61 Menz 22 10 6900 87, 32:1
Zenoah G62 62 Zinger 22 10 6800
First Place
FPE 3.2ci 52 Bolly 22 10 6700
Engines
Brison Brison 3.2 52.3 Mejzlik 22 10 6650
Zenoah G62 62 MA 22 10 6550
ZDZ ZDZ 60 60 Menz 22 10 6500
Zenoah G62 62 MA 22 10 6200
Zenoah G62 62 Menz 22 10 6200
3W 3W-60k 60 Menz 22 12 6500
TSS 72cc, Klotz 200
Taurus 72 APC 22 12 8000
4.4ci 32:1, 87
ZDZ ZDZ 60 60 Menz 22 12 6200
ZDZ ZDZ 60 60 Zinger 22 12 6400
ZDZ 80
ZDZ 80 Menz 22 12 6400
Single
3W 3W-60i 60 Fuchs 22 12 3b 5800
ZDZ 80
ZDZ 80 Moshi 22 12 3b 6200
Single
BME BME 2.7 43.6 Menz 21 8 6900
BME BME 2.7 43.6 Mejzlik 21 8 7600
3W 3W-48 48 Menz 21 10 6700
3W 3W-48B2 48 Menz 21 10 7200
Brison Brison 3.1 51.3 Menz 21 10 6650
Brison Brison 3.2 52.3 Menz 21 10 6900
Sachs Walker 3.2 52.3 Menz 21 10 7200
Taurus Taurus 3.2 52.3 Menz 21 10 6900
MDS MDS 1.48 24.68 Zinger 20 6 7000
OS OS 1.60 26 Mejzlik 20 6 9000
RCS RCS 1.8 30 Zinger 20 6 6700
Wolf Predator Predator 1.8 30 Pro Zinger 20 6 7000
BME BME 2.7 43.6 Menz 20 8 7620
BME BME 2.7 43.6 Menz 20 8 7620
BME BME 2.7 43.6 Menz 20 8 7850
BME BME 2.7 43.6 MA 20 8 8000
BME BME 2.7 43.6 Mejzlik 20 8 8100
BME BME 2.7 43.6 Bolly 20 8 8250
BME BME 2.7 43.6 Bolly 20 8 8400
Brison Brison 2.4 39.3 Scimitar 20 8 7000
Brison Brison 2.4 39.3 Mejzlik 20 8 7950
Fox Fox 2.4 39.3 Top Flite 20 8 6900
MDS MDS 1.48 24.68 Zinger 20 8 6600
Moki Moki 2.10 34 Menz 20 8 7850 0%
Super Tigre ST 3250 32.6 APC 20 8 7750
MA
Super Tigre ST 3250 32.6 20 8 7750
Scimitar
Cheetah/US
US Engines 41 Zinger 20 8 6500
42
Wolf Predator Predator 1.8 30 Scimitar 20 8 6800
Zenoah G38 38 Zinger 20 8 7000
Zenoah G45 45 Zinger 20 8 7900
Zenoah G45 45 Zinger 20 8 8000
Zenoah G45 45 20 8 8950
Air Hobbies
Air Hobbies 50 Mejzlik 20 10 6800
3.0 Twin
Air Hobbies
Air Hobbies 50 Mejzlik 20 10 7200
3.0 Twin
BME BME 2.7 43.6 Menz 20 10 6750
BME BME 2.7 43.6 Menz 20 10 6900
BME BME 2.7 43.6 Zinger 20 10 7100
BME BME 2.7 43.6 Ultra Menz 20 10 7400
BME BME 2.7 43.6 Mejzlik 20 10 7600
BME BME 2.7 43.6 Mejzlik 20 10 7600
BME BME 2.7 43.6 Mejzlik 20 10 7800
Brison Brison 2.4 39.3 Menz 20 10 6500
Brison Brison 2.4 39.3 Zinger 20 10 6600
Brison Brison 2.4 39.3 MA Classic 20 10 7050
Brison Brison 2.4 39.3 Mejzlik 20 10 7200
Brison Brison 2.4 39.3 MA 20 10 7400
Brison Brison 2.4 39.3 Mejzlik 20 10 7400
MA
Brison Brison 3.2 52.3 20 10 8200
Scimitar
First Place
FPE 2.4ci 39.3 Bolly 20 10 6800
Engines
Moki Moki 2.10 34 APC 20 10 7500
Moki Moki 2.10 34 Mejzlik 20 10 7600
Moki Moki 2.10 34 Smart 20 10 8000
MVVS MVVS 2.1 34 MA Classic 20 10 7000
Quadra Quadra 40 XL 40 MA Classic 20 10 7020
Quadra Quadra 40 XL 40 Mejzlik 20 10 7100
0%,12.5%
Super Tigre ST 3250 32.6 APC 20 10 8000
oil
TSS 49cc, Klotz 200
Taurus 49 APC 20 10 8000
2.97ci 32:1, 87
Taurus Taurus 3.2 52.3 Menz 20 10 7200
Cheetah/US
US Engines 41 MA 20 10 7000
42
Cheetah/US
US Engines 41 APC 20 10 7100
42
ZDZ ZDZ 40 40 Menz 20 10 6300
ZDZ ZDZ 40 40 Menz 20 10 6800
ZDZ ZDZ 40 40 Menz 20 10 7300
MA
ZDZ ZDZ 40 40 20 10 7320
Scimitar
ZDZ ZDZ BDR40 40 carbon 20 10 7900
Zenoah G38 38 Zinger 20 10 5900
Zenoah G38 38 APC 20 10 6700
ZDZ ZDZ 40 40 Mejzlik 20 12 6700
BME BME 2.7 43.6 Menz 19 8 8000
Brison Brison 2.4 39.3 Menz 19 8 7500
Brison Brison 2.4 39.3 Bolly 19 8 8000
Brison Brison 2.4 39.3 Bolly 19 8 8400
Super Tigre ST 3000 30 Mejzlik 19 8 8000 5%
A&M Sachs
A&M 43 Menz 19 10 7200
2.6
Brison Brison 2.4 39.3 Ultra Menz 19 10 7800
Moki Moki 1.35 23 Smart 19 10 6,800
Moki Moki 1.35 23 Menz 19 10 7,000
Webra Bully
Webra 35 Bolly 19 10 8400
35
Brison Brison 2.4 39.3 Scimitar 19 8mod 7450
Honda 30cc 4-stroke 30 Zinger 18 6 7000
MDS MDS 1.48 24.68 Zinger 18 6 8000
Moki Moki 1.35 23 Dynathrust 18 6 8,100
OS OS 1.60 26 18 6 8900 15%
RCS RCS 1.8 30 APC 18 6 8500
Saito Saito 1.50 25 Zinger 18 6 7600
Saito Saito 1.50 25 Mejzlik 18 6 9150 25%
Cheetah/US
US Engines 25 MA 18 6 7200
25
Webra Webra 1.20 20 MA 18 6 9100
Webra Webra 1.20 20 MA 18 6 9800
Zenoah G23 23 Zinger 18 6 6900
Zenoah G23 23 MA/Wood 18 6 7200
Quadra Q42 42 Dynathrust 18 8 8000
3W 3W-24 24 Menz 18 8 7400
Brison Brison 2.4 39.3 Scimitar 18 8 8300
GCBM 25cc Homey 25 Zinger 18 8 7050
MA
Homelite 25cc weedie 25 18 8 6900
Scimitar
McCulloch 32cc weedie 32 APC 18 8 8300
MDS MDS 1.48 24.68 Zinger 18 8 7600
Moki Moki 1.35 23 Premier 18 8 7,800
Moki Moki 1.35 23 APC 18 8 9100
Quadra Quadra 35 35 APC 18 8 7600
RCS RCS 1.40 21.5 APC 18 8 8100 30:01:00
Ryobi 4-
Ryobi 30 APC 18 8 6700
stroke
Super Tigre ST 2300 23.2 APC 18 8 8700
Super Tigre ST 2300 23.2 Bolly 18 8 8700
Super Tigre ST 2300 23.2 APC 18 8 9000
Super Tigre ST 2300 23.2 APC 18 8 9200
Super Tigre ST 3000 30 APC 18 8 9000 5%
Cheetah/US
US Engines 25 Zinger 18 8 6550
25
Cheetah/US
US Engines 25 MA 18 8 6900
25
Cheetah/US
US Engines 41 Zinger 18 8 7600
42
Wolf Predator Predator 1.5 25 Pro Zinger 18 8 7400
Wolf Predator Predator 1.5 25 Scimitar 18 8 7800
Wolf Predator Predator 1.8 30 Scimitar 18 8 8200
Wolf Predator Predator 1.8 30 Pro Zinger 18 8 7800
YS YS 1.40FZ 22.9 APC 18 8 8700 25%
Zenoah G23 23 Menz 18 8 7500
Zenoah G38 38 Zinger 18 8 7400
MDS MDS 1.48 24.68 Zinger 18 10 6400
Cheetah/US
US Engines 41 Zinger 18 10 6500
42
OS OS 1.60 26 Ultra Menz 18 10 6900 15%
Super Tigre ST 2300 23.2 Zinger 18 10 6900
Zenoah G38 38 MA wood 18 10 7000
Wolf Predator Predator 1.8 30 Zinger 18 10 7000
Wolf Predator Predator 1.8 30 Scimitar 18 10 7100
3W 3W-24 24 Menz 18 10 7200
OS OS BGX 3500 35 Zinger 18 10 7200
Cheetah/US
US Engines 41 MA 18 10 7200
42
Zenoah G38 38 Top Flite 18 10 7200
OS OS 1.60 26 18 10 7300 15%
Fiber
Zenoah G38 38 18 10 7300
Classics
Quadra Q42 42 Dynathrust 18 10 7400
Cheetah/US
US Engines 41 Zinger 18 10 7400
42
Zenoah G38 38 Zinger 18 10 7400
Moki Moki 1.80 30 Zinger 18 10 7600
Brison Brison 2.4 39.3 Scimitar 18 10 7800
3W 3W-24 24 Bolly 18 10 7900
Brison Brison 2.4 39.3 MA 18 10 8000
OS OS 1.40 22.94 Menz 18 10 8000 15%
BME BME 2.7 43.6 MA 18 10 8200
Fox Fox 2.4 39.3 APC 18 10 8300
Moki Moki 1.80 30 MA 18 10 8300
Super Tigre ST 3000 30 APC 18 10 8300 5%
Fox Fox 2.4 39.3 Moki 18 10 8370
Super Tigre ST 3250 32.6 APC 18 12 8200
Moki Moki 1.35 23 Smart 18 12 7,000
Cheetah/US
US Engines 41 Zinger 18 14 6000
42
OS OS 1.40 22.94 Bolly 17.5 12 8000 15%
OS OS 1.60 26 Menz 17 8 9000 10%
OS OS 1.60 26 APC 17 8 9300 10%
15%
Saito 150Gk 25 APC 17 8 8400
Omega
Saito Saito 1.50 25 APC 17 8 8600 15%
Saito Saito 1.80 29.1 APC 17 8 8700 15%
Saito Saito 1.80 29.1 APC 17 8 8900 15%
15%,
Saito Saito 1.80 29.1 APC 17 8 8900
18%synth
Saito Saito 1.80 29.1 APC 17 8 9100 25%
Saito Saito 1.80 29.1 APC 17 8 9200 20%
20%
Saito Saito 1.80 29.1 APC 17 8 9200
20%synth
Saito Saito 1.80 29.1 APC 17 8 9300 30%
30%,
Saito Saito 1.80 29.1 APC 17 8 9400
22%synth
Super Tigre ST 2300 23.2 APC 17 8 9200
Super Tigre ST 2300 23.2 APC 17 8 9300
Super Tigre ST 2300 23.2 APC 17 8 9300 15%
Zenoah G23 23 APC 17 8 8000
Moki Moki 1.35 23 Airflow 17 10 8,300
OS OS 1.08 17.8 unk. wood 16 6 8400
OS OS 1.08 17.8 MA Classic 16 6 8900 15%
Thunder Tiger TT 1.20 Pro 20.7 MA 16 6 9300
Thunder Tiger TT 1.20 Pro 20.7 APC 16 6 9600
Thunder Tiger TT 1.20 Pro 20.7 APC 16 6 9750 10%
Scimitar/n 15%
Saito 150Gk 25 16 7 8900
ylon Omega
Scimitar/n
Zenoah G23 23 16 7 8100
ylon
Zenoah G23 23 Scimitar 16 7 8600
3W 3W-24 24 APC 16 8 8300
Homelite 25cc weedie 25 Zinger 16 8 7600
Homelite 25cc weedie 25 APC 16 8 8200
Homelite 30cc on Glow 30 MA 16 8 8400
Husqvarna 22cc 22 Zinger 16 8 6450
Sport Jett
Jett 19.66 APC 16 8 9500 15%
1.20
Laser 1.50ci 25 APC 16 8 8600 0%
MDS MDS 1.48 24.68 Zinger 16 8 8900
MDS MDS 1.48 24.68 APC 16 8 9200
MDS MDS 1.48 24.68 APC 16 8 9400 10%
Moki Moki 1.20 20 APC 16 8 9000
Moki Moki 1.35 23 APC 16 8 9400
Moki Moki 1.35 23 APC 16 8 9,500
OS OS 1.60 26 APC 16 8 9300
RCS RCS 1.40 21.5 APC 16 8 8,500
RCS RCS 1.40 21.5 APC 16 8 8550
RCS RCS 1.40 21.5 APC 16 8 8700
RCS RCS 1.40 21.5 APC 16 8 8700
RCS RCS 1.40 21.5 APC 16 8 8900
RCS RCS 1.40 21.5 APC 16 8 8900
RCS RCS 1.40 21.5 APC 16 8 8900
RCS RCS 1.40 21.5 APC 16 8 9130 30:01:00
Saito 1.50ci 25 APC 16 8 8900 10%
YS20/20
Saito 150Gk 25 APC 16 8 9200
blend
Saito Saito 1.50 25 APC 16 8 8650 15%
15%,
Saito Saito 1.50 25 APC 16 8 8700
18%synth
Saito Saito 1.50 25 MA 16 8 9100
Saito Saito 1.50 25 APC 16 8 9300 20%
Saito Saito 1.50 25 Mejzlik 16 8 9300 15%
Saito Saito 1.50 25 APC 16 8 9500 20%
Saito Saito 1.80 29.1 APC 16 8 9200 15%
Saito Saito 1.80 29.1 APC 16 8 9400 15%
Saito Saito 1.80 29.1 APC 16 8 9400
Saito Saito 1.80 29.1 APC 16 8 9800 30%
Thunder Tiger TT 1.20 Pro 20.7 MA 16 8 7900 10%
Thunder Tiger TT 1.20 Pro 20.7 APC 16 8 8700
Thunder Tiger TT 1.20 Pro 20.7 MA 16 8 8900
Thunder Tiger TT 1.20 Pro 20.7 APC 16 8 9000 10%
Thunder Tiger TT 1.20 Pro 20.7 APC 16 8 9000
Thunder Tiger TT 1.20 Pro 20.7 APC 16 8 9200 10%
Thunder Tiger TT 1.20 Pro 20.7 APC 16 8 9300 10%
Thunder Tiger TT 1.20 Pro 20.7 APC 16 8 9300 15%
Thunder Tiger TT 1.20 Pro 20.7 APC 16 8 9350 10%
Thunder Tiger TT 1.20 Pro 20.7 Mejzlik 16 8 9600 10%
Cheetah/US
US Engines 25 Zinger 16 8 7650
25
Cheetah/US
US Engines 25 Graupner 16 8 7900
25
Cheetah/US
US Engines 25 MA 16 8 8100
25
Webra Webra 1.20 20 APC 16 8 8300 10%
Webra Webra 1.20 20 Mejzlik 16 8 8600 10%
Webra Webra 1.20 20 APC 16 8 9200 15%
Webra Webra 1.20 20 APC 16 8 9300 5%
YS YS 1.20 NC 20 APC 16 8 8600 15%
YS YS 1.20 NC 20 APC 16 8 8900 20%
Zenoah G23 23 Scimitar 16 8 7600
MA
Zenoah G23 23 16 8 7800
Scimitar
Zenoah G23 23 MA 16 8 8000 87@32:1
Zenoah G23 23 APC 16 8 8100
Zenoah G23 23 APC 16 8 8200
Zenoah G23 23 Scimitar 16 8 8200
Zenoah G23 23 APC 16 8 8300
Zenoah G23 23 Top flite 16 8 8500
Zenoah G23 23 APC 16 8 8900
3W 3W-24 24 Menz 16 10 7500 87
MDS MDS 1.48 24.68 Zinger 16 10 8100
Moki Moki 1.35 23 APC 16 10 9100
OS OS 1.60 26 APC 16 10 8800
OS OS 1.60 26 APC 16 10 9000 10%
RCS RCS 1.40 21.5 APC 16 10 8500
Ryobi 31cc weedie 31 Zinger 16 10 7600
Super Tigre ST 2300 23.2 APC 16 10 8500
Super Tigre ST 2300 23.2 APC 16 10 8900
Cheetah/US
US Engines 25 Zinger 16 10 6900
25
Cheetah/US
US Engines 25 APC 16 10 7350
25
Cheetah/US
US Engines 25 MA 16 10 7700
25
YS YS 1.40 22.9 APC 16 10 8500
YS YS 1.40 22.9 APC 16 10 8800
Moki Moki 1.35 23 APC 16 12 8,300
Moki Moki 1.35 23 APC 16 14 8100
Zenoah G23 23 Bolly 15.5 8 10000
Moki Moki 1.35 23 Bolly 15.3 12.5 9000
GCBM 25cc Homey 25 Zinger 15 8 9000
Homelite 25cc weedie 25 Zinger 15 8 8600
Sport Jett
Jett 17.21 APC 15 8 10500 15%
1.05
RCS RCS 1.40 21.5 APC 15 12 8800
OS OS 1.08 17.8 MA 14 8 9700 15%
Thunder Tiger TT 1.20 Pro 20.7 Zinger 14 8 9500
FS-120
OS 20 APC 14 10 8700 10%
Surpass II
Blaine Austin, IMAC list ########
Thomas Loeser of
Germany, GSAL, quoting 9/6/2000
Dietrich Altenkirch
Mike Clemmens, SA list,
########
3w tuned mufflers
Mike Clemmens, SA list,
########
stock mufflers
Doug Cronkhite, IMAC
########
guru
Lloyd Sullivan, IMAC list.
9/6/2000
only 2 Gal. through it
Doug Cronkhite, IMAC
9/6/2000
guru
John Phillips, IMAC list ########
John Phillips, IMAC list ########
Kris Demigod from GSAL
########
list, stock can mufflers
Kris Demigod from GSAL
########
list, tuned 3w-70 mufflers
Thomas Loeser of
Germany, GSAL, quoting 9/6/2000
Dietrich Altenkirch
Ralph Cunningham,
w/belt reduction, 6500', ########
60F
Thomas Loeser of
Germany, GSAL, quoting 9/6/2000
Dietrich Altenkirch
Thomas Loeser of
Germany, GSAL, quoting 9/6/2000
Dietrich Altenkirch
Dan Knippen, GSAL, 20
########
gallons, better downlines
Dan Knippen, GSAL, 20
9/4/2000
gallons
Joe DeRenzi, IMAC list 7/6/2000
Mike Wallo, MI, 75F,
200'elev, twin carbs, J&A ########
can mufflers,
Scott50105, IMAC list,
preferred prop--climb out ########
of hover with 26lb Laser
Thomas Loeser of
Germany, GSAL, quoting 9/6/2000
Dietrich Altenkirch
Edwin Tolentino, 9 gal. ########
Randy Winter, GSAL, first
########
tank of fuel
Kris Demigod on IMAC list,
########
tuned 3W mufflers
Don Miller, IMAC sm plugs,
########
BCM Mufflers. 20 gal
Tom Wheeler, IMAC list,
right out of box
Darin Miller, IMAC
Tim Bell, GSAL list,
9/6/2000
Approx. 40 flights
Rick Snoozebarr on IMAC
9/4/2000
list
Durell Leister, GSAL, 3
9/6/2000
gallons through it
Darin Miller, GSAL, 9/4/2000
Kris Demigod from GSAL
list, friends engine broken 9/4/2000
in, Supersonic mufflers
Kris Demigod from GSAL
list, friends engine NEW, 9/4/2000
Supersonic mufflers
Rick Snoozebarr on IMAC
9/4/2000
list
9/6/2000
Don Miller, IMAC list, BME
########
mufflers, 9gal.
Branwell McClory, IMAC
########
list
Kris Demigod on IMAC list,
########
stock mufflers
Kris Demigod on IMAC list,
########
tuned 3W mufflers
John Thompson, GSAL,
########
1/2 gal.
Branwell, quoting Rod
########
Sarlens brand new engine
John Phillips, 1/2 gal. sea
########
level, 32C
Don Miller, IMAC sm plugs,
########
BCM Mufflers. 20 gal
Mike Howard, IMAC list,
"older model", 60hrs on ########
engine
Evan Chapkis, IMAC,
########
10mm plugs
Evan Chapkis, IMAC,
10mm plugs unacceptable ########
noise
a "Conservative number"
########
from FPE
Marc Spicer, IMAC list,
slightly rich
Dick Hanson ########
Mark McQuaide, IMAC list,
J&A Pitts Muffler
Darrin Feener, GSAL list,
########
1 gal, 800' elev
Dick Hanson, K&S
canister, 22" from piston ########
to baffle
Dick Hanson, still newish ########
jy falrdeau, Bisson 1-pc
muffler
jy falrdeau, premium gas
with muffler
jy falrdeau, avgas 100LL
with muffler
jy falrdeau, Bisson 1-pc
muffler
jy falrdeau, premium gas
with muffler
jy falrdeau, avgas 100LL
no muffler
jy falrdeau, premium gas
no muffler
jy falrdeau, avgas 100LL
with muffler
jy falrdeau, premium gas
with muffler
jy falrdeau, premium gas
no muffler
Ernst Disse, sea level,
23C, ZDZ tuned pipe, 15
min. run time
jy falrdeau, avgas 100LL
no muffler
jy falrdeau, premium gas
no muffler
Jim Ingman, IMAC list 7/5/2000
Jim Ingman, IMAC list,
7/5/2000
90F, 5400'
Jim Ingman, IMAC list,
########
friends engine, brand new
Mike Howard, IMAC list,
"older model", 60hrs on ########
engine
Kris Demigod on IMAC list,
########
stock mufflers
Kris Demigod on IMAC list,
########
tuned 3W mufflers
Richard Biron
Jy Falrdeau, c/o Richard
Biron on SA list (+400 with ########
CH)
Richard Biron (not the
same one…) CH ign, ########
Amsoil, 100 flights
Chris cgb6810@, from
########
IMAC list, 75F,
Jack Beauchamp, IMAC
list
a "Conservative number"
########
from FPE
Tom Wheeler, IMAC list, 3
gallons
Steve Rutherford, IMAC
########
list
Rick Snoozebarr on IMAC
########
list
Rick Snoozebarr on IMAC
########
list
Dick Hanson ########
Richard Biron, IMAC list,
########
only 2 tanks through it
Scott50105, IMAC list ########
Jim Ingman, IMAC list,
########
5500', 90F
jy falrdeau, avgas 100LL
with muffler
jy falrdeau, premium gas
with muffler
jy falrdeau, premium gas
no muffler
RC Ignition guy, on
r.m.rc.air, 6000' alt. no ########
muffler
Roger Schlen from
########
r.m.rc.air
Simon Megasmoke from
########
r.m.rc.air
Terry Rago from
########
r.m.rc.air
Roger Forgues, K&S
Exhaust System, not
tuned yet
Roger Forgues, open
exhaust
Jim Ingman, IMAC list,
7/5/2000
(ow, my ears!)
Jeff, IMAC 2937, son's,
EZM-1 ign, home made ########
Pitts muffler
RCU, Norman Ross ########
Roger Schlen from
########
r.m.rc.air
rcu ########
rcu ########
rcu ########
Don Miller, IMAC list,
"new" engine
Luiz Dutra, IMAC list
Charlie P, before second
flight, slightly less
########
vertical, markedly slower
downline speed
Frank Tiano, RCR Feb
########
2001
Mark McQuaide, IMAC list
6,000' elevation
Steve (mediactr) from
r.m.rc.air
bevers63@ on IMAC list,
Krumsheid tuned pipe, ########
very quiet
FrankFlyboy1, 70F
David Grigsby, IMAC list
Mark McQuaide, IMAC list,
########
Slimline Pitts
Stephen Pritchard, IMAC
list
Jason Riley, IMAC list, less
than a gal. through it.
Marc Spicer, IMAC list
Tinus Nielsen from
r.m.rc.aior
Stephen Pritchard, IMAC
list
open exhaust ########
Roger Forgues, GSAL list ########
Donnie Vazquez, IMAC list
Lloyd D. Hinrichs, GSAL
8/3/2000
list, 15 gal.
Steve (mediactr) from
r.m.rc.air
a "Conservative number"
########
from FPE
Charlie P, before first
########
flight
Dick Pettit in RCR Feb.
########
'01, Pg 119, W/CH Ign.
Randy Brown, Ohio RC,
########
two gallons
Dick Pettit in RCR Feb.
########
'01, Pg 119, stock ign.
Neil Tolentino
B.R. Burns from SA list,
########
OKC
Bill Oberdieck, ########
Mark McQuaide, IMAC list
Dick Hanson ########
Fred Lum945, gsal list, ########
magnus malmberg of
########
Sweden, SA list
Fred Lum945, gsal list, ########
Bill Malvey
Ed Johnson, Sea Level,
########
68F, BME Muffler, 98
Stephen Pritchard, IMAC
list
Joe Moore, IMAC list
Randy Brown, Ohio RC,
########
friends, nearly new
Mike Fuchs, IMAC list,
"slightly rich at 40:1"
Jeff B. iflyimac IMAC list 8/9/2000
Al Zerber, Garden City MI,
########
smooth 1100 idle
Clarance Lee, RCM Engine
1/8/2001
review 2-2001, 30 min.
Earl Williams, GSAL ########
RCShowcase web site ########
Predator ########
Mine, about 1 gallon
Roger's, about 5 gallons
Bill Malvey
Ed Johnson, Sea Level,
########
70F, BME Muffler, 103dB
Ed Johnson, Sea Level,
########
76F, BME Muffler, 104dB
John Marien from GSAL.
########
after 3 flights
John Marien from GSAL.
########
warmed up
Fubar Hill, 4100'
Elevation, Bennett
1/9/2001
muffler, 1 gal. Visit
Fubar!
Charlie P
Frank Tiano, RCR Feb
########
2001
Clarance Lee, RCM Engine
1/8/2001
review 2-2001, 30 min.
Brian "knife edge" IMAC.
With Perry Pump+H50
Clark d. Pedersen, OS F
plug
Clark d. Pedersen, OS F
plug
Cheetah web site
Predator ########
Frank Thill, rough
estimate
Mr. Johnson from IMAC
list+D30
Frank Thill, rough
estimate
Homemade Pipe
Jim Branaum, stock
########
ignition
Jim Branaum, CH ignition ########
John Marien from GSAL. ########
John Marien from GSAL.
########
NO Muffler
Ed Johnson, Sea Level,
########
74F, BME Muffler
Roger Forgues, GSAL list,
########
stock muffler
Branwell McClory
Mike Wiz.
Andrew Benjamin, GSAL,
J&A Pitts muffler
Charlie P…"Too much
blade, low performance"
Charlie P…"Same as the
Menz Std."
Terry Grant of CH and
########
IMAC, with Abell muffler
Mike Wiz.
Charlie P…"Second best
prop I have used"
Charlie P…"Far superior to
any others up and down
line"
Dick Hanson
a "Conservative number"
########
from FPE
Cory D. from GSAL list
Mike Wiz., no nitro
Just Engines web site
Terry Grant of CH and
########
IMAC, with Abell muffler
Terry Grant of CH and
########
IMAC, with Abell muffler
Drew Gabura, GSAL list
Patrick Neal of New
Zealand, Bolly tuned pipe,
########
Model technics fire power
No.6 plug , sea level
Bill Oberdieck, ########
Bill MSotom4766 on IMAC
list
Cheetah web site
Cheetah web site
PO Sondén from
r.m.rc.air, home made
muffler
PO Sondén from
r.m.rc.air, open exhaust
PO Sondén from
r.m.rc.air, pipe
Dick Hanson.
Rie Janssen in
Netherlands
Tom Perry
Tom Perry
Pierre Jacques, IMAC list
Andrew Benjamin, GSAL,
########
J&A Pitts muffler
(Mine)
Charlie P…"Way too small,
no pull"
Greg Brockway, IMAC list ########
Hamid R. from IMAC list.
15% oil, 5% Nitro, ST plug
9/6/2000
Charlie P…"Good uplines,
fast down, OK
performance"
Just Engines web site, no
nitro
Just Engines web site, no
nitro
Modified prop Fubar Hill,
4100' Elevation, Bennett
1/9/2001
muffler, 1 gal. Visit
Fubar!
Marty Hammersmith, 3
hours on engine
Clarance Lee, RCM Engine
1/8/2001
review 2-2001, 30 min.
Just Engines web site, no
nitro
high altitude, 15%
RCShowcase web site ########
Leo Staszak, gsal list ########
Roger's on 25%
Cheetah web site
Ed Johnson, Sea Level,
########
26F, header only
Ed Johnson, Sea Level,
26F, MACS quiet tuned ########
pipe
Fubar Hill, 4100'
Elevation, Bennett
1/9/2001
muffler, 1 gal. Visit
Fubar!
typically
***quoted by the
distributor
Fubar Hill, 4100'
Elevation, Bennett
1/9/2001
muffler, 1 gal. Visit
Fubar!
Walbro No. 2167A carb
Gerald DR1Driver
4444 stroken Ron
Weisskopf from r.m.rc.air
Clarance Lee, RCM Engine
1/8/2001
review 2-2001, 30 min.
Just Engines web site, no
nitro
Just Engines web site
Dick Hanson, VTEC pipe
Bert250
Dick Hanson, header and
cannister, 7% fuel
Sea Level w/perry pump
Dick Hanson, Spark on
glow, header and
cannister, 7% fuel
Hamid R. from IMAC list.
15% oil, 5% Nitro, ST plug
Cheetah web site
Cheetah web site
Cheetah web site
Predator ########
Predator ########
John Beech, SA list, 1gal.
########
glow fuel
Predator ########
Rick Snoozebarr on IMAC
1/7/2000
list
Tom Perry
Clarance Lee, RCM Engine
1/8/2001
review 2-2001, 30 min.
Cheetah web site
15%, BCM Pitts muffler,
Mike Fuchs, 10-12 Min.
flights with 16oz tank
John Beech, friend
Donny's engine, SA list
Tom Perry
John Beech, SA list, 1gal.
########
glow fuel
Predator ########
JOSTEIN FOSSHEIM
Kevin H (r.m.rc.air), with
Perry Pump
Cheetah web site
Tom Perry
high altitude, 15%
Andrew Benjamin,
########
GSAL+H91
typically
Cheetah web site
Tom Perry
Andrew Benjamin, GSAL,
########
slimline Pitts muffler
Fubar Hill, 4100'
Elevation, Bennett
1/9/2001
muffler, 1 gal. Visit
Fubar!
***quoted by the
distributor
From Gary "Brison" Allison
Joe Bouscaren, GSAL list ########
From Gary "Brison" Allison
Frank Tiano, RCR Feb
########
2001
Just Engines web site
Hamid R. from IMAC list.
15% oil, 5% Nitro, ST plug
Frank Tiano, RCR Feb
########
2001
Matt Bickford, r.m.rc.air ########
Just Engines web site, no
nitro
Cheetah web site
Joe Bouscaren, GSAL list ########
Andrew Benjamin, GSAL,
Perry Pump, Bisson ########
muffler
10%, new, Paul Carr from
r.m.rc.air
Fubar Hill, 4100' Elevation
1/9/2001
Visit Fubar!
Mike Block, IMAC list ########
15%, Ed Schummer
15%
LearJet35x, OS "F" plug,
750' elev. 60F
Tim Mills, IMAC list ########
20%nitro, Learjet on
r.m.rc.air
LearJet35x, OS "F" plug,
750' elev. 60F
30%
LearJet35x, OS "F" plug,
750' elev. 60F
Tony from DaltonAircraft,
IMAC list
(4500' altitude)
Tim Mills, IMAC list ########
Fubar Hill, 4100'
Elevation, Bennett
1/9/2001
muffler, 1 gal. Visit
Fubar!
Just Engines web site, no
nitro
gbnagelin, from r.m.rc.air
Rudy from IMAC list, on
15%
Mr. Pete, breaking in
Omega 10%, sea level
Fubar Hill, 4100' Elevation
1/9/2001
Visit Fubar!
Fubar Hill, 4100'
Elevation, Bennett 1/9/2001
muffler, new Visit Fubar!
Fubar Hill, 4100'
Elevation, Bennett
1/9/2001
muffler, 1 gal. Visit
Fubar!
Dick Pettit, Giant Scale
Editor, R/C REPORT
Magazine
Cliff Griffin
Cliff Griffin* after 1 gal.
Ron Weisskopf from
r.m.rc.air
Cliff Griffin
stock Jett-Stream
########
muffler, Jett Engineering
Chris Hinds friend ########
Clarance Lee, RCM Engine
1/8/2001
review 2-2001, 30 min.
Horizon web site
Jason Shald, Bisson Pitts
########
muffler, 80F, 40%rh
Just Engines web site
Just Engines web site
Just Engines web site, no
nitro
Barry Finck, IMAC list ########
Cliff Griffin, small carb, 1
gallon through it
TF, just a couple flights
Dick Hanson, stock pitts
muffler
Norm Cecil, 3/4 gallon,
occasional 88-8900
Dick Hanson, his ST
mousse can muffler
Norm Cecil, more time on
it
Off of RCShowcase web
site
Dick Hanson, VTEC pipe
Chris Hinds friend,
########
straight from box
Fubar Hill, 4100' Elevation
1/9/2001
Visit Fubar!
Ron Tincher, IMAC,
LearJet35x, OS "F" plug,
750' elev. 60F
Leo Staszak, gsal list ########
YS20-20
Ron (CR125) 15% Wildcat
Roger's on 20-20
15%, Ed Schummer
15%
Leo Staszak, gsal list ########
30%
Cliff Griffin <1gallon
Cliff Griffin <1gallon
Omega 10%, sea level
10% Omega, Bisson Pitts
muffler, Mike Block
Tom Fawcet, Perry Pump
& Carb
Bisson Pitts muffler 10%
Omega
10% Omega, Bisson Pitts
muffler, Mike Block
Cheetah web site
Cheetah web site
Cheetah web site
10% Omega, Bisson Pitts
muffler, Mike Block
10% Omega, Bisson Pitts
muffler, Mike Block
15%, Slimline Pitts style
muffler
5% Sig fuel, Boyd on RCO
trying to trade it
Mine, on 15%
Mine, on 20%
Fubar Hill, 4100'
Elevation, Bennett 1/9/2001
muffler, new Visit Fubar!
Gary Stewart, Goodrich,
MI.
Fubar Hill, 4100'
Elevation, Bennett 1/9/2001
muffler, new Visit Fubar!
Fubar Hill, 4100'
Elevation, Bennett
1/9/2001
muffler, 1 gal. Visit
Fubar!
John Lee, r.m.rc.air ########
Fubar Hill, 4100'
Elevation, Bennett
1/9/2001
muffler, 1 gal. Visit
Fubar!
Dani Brynard, 4500'
Clarance Lee, RCM Engine
1/8/2001
review 2-2001, 30 min.
Just Engines web site
Barry Finck, IMAC list ########
Paul Carr, 10%
Off of web site
Marty Hammersmith
Dave with gas, 10% oil
Dave with Glow
Cheetah web site
Cheetah web site
Cheetah web site
Tim Durbin, SA list, 1/7/2000
Bill Glaze, GSAL
Just Engines web site, no
nitro
Just Engines web site
Just Engines web site
GCBM web site
Cliff Griffin* after 1 gal.
stock Jett-Stream
########
muffler, Jett Engineering
Off of web site
Alfredo Betancourt from
7200'
Mexico, 15% at 7200'
Chris Hinds friend ########
site
site
site
, BCM muffler, glow fuel
site
, BCM muffler, glow fuel
site
, BCM muffler, glow fuel
site
, BCM muffler, glow fuel
site
, BCM muffler, glow fuel
site
, BCM muffler, glow fuel
site
1300'ASL, 65F
@
3M
@
3M
Taurus
builder, 600', 65F
site
1300'ASL, 65F
site
1300'ASL, 65F
Taurus
builder, 600', 65F
site
1300'ASL, 65F