POWER FIN Propellers

Wharton Airport
Hangar #31
882 Robert Vonderau Dr
Wharton, TX 77488

Ph: 979-532-5525
(Please note that our 800# is NOT available at our new Texas location)

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ROTAX ENGINE GUIDE 

PROPELLER RECOMMENDATION CHART

 Read The Key 
 
To understand the Tables below please note that "2/56 or 3/52" means you can choose a 2-blade Hub with a 56" length or a 3-blade Hub with a 52" length

 ROTAX 277:   26 HORSEPOWER  <>  6250 MAX RPM  

Reduction
RATIO

MAX PROP RPM
(with Eng RPM: 6250)

'B' Blade
(#Blades/Dia)

C

'E' Blade
(#Blades/Dia)

F

2

3125

 

 

3/42

 

2.24

2970

2/52

 

3/47

 

2.58

2422

2/56
3/52

 

3/51

 

 

 ROTAX 377:   35 HORSEPOWER  <>  6500 MAX RPM  

Reduction
RATIO 

MAX PROP RPM
(with Eng RPM: 6500)

'B' Blade
(#Blades/Dia)

'C' Blade
(#Blades/Dia)

'E' Blade
(#Blades/Dia)

F

2

3250

2/52

 

3/45

 

2.24

2901

2/56

 

3/50

 

2.58

2519

2/60
3/55

2/62
3/55

 

 

 

 ROTAX 447:   40 HORSEPOWER  <>  6500 MAX RPM  

Reduction
RATIO

MAX PROP RPM
(with Eng RPM: 6500)

'B' Blade
(#Blades/Dia)

'C' Blade
(#Blades/Dia)

'E' Blade
(#Blades/Dia)

'F' Blade
(#Blades/Dia)

2

3250

2/56

 

3/48

 

2.24

2901

2/59

 

3/51

 

2.58
2.62

2500

2/61
3/57

2/64
3/58

 

 

3

2166

2/65
3/61

 

 

 

3.47

1873

3/64

 

 

2/68

4

1625

 

 

 

2/71
3/66

 

 ROTAX 503 SC:   46 HORSEPOWER  <>  6250 MAX RPM  

Reduction
RATIO 

MAX PROP RPM
(with Eng RPM: 6250)

'B' Blade
(#Blades/Dia)

'C' Blade
(#Blades/Dia)

E

'F' Blade
(#Blades/Dia)

2

3125

 

 

 

 

2.24

2970

 

 

 

 

2.58
2.62

2405

2/63
3/59

3/59

 

 

3

2083

3/64
4/60

 

 

2/67

3.47

1801

4/63
5/60

 

 

2/72
3/68

4

1562

 

 

 

3/72

 

 ROTAX 503 DC:  52 HORSEPOWER  <>  6500 MAX RPM  

Reduction
RATIO

MAX PROP RPM
(with Eng RPM: 6500)

'B' Blade
(#Blades/Dia)

'C' Blade
(#Blades/Dia)

E

'F' Blade
(#Blades/Dia)

2

3250

 

 

 

 

2.24

2901

 

 

 

 

2.58
2.62

2500

2/65
3/60

3/60

 

2/66

3

2166

3/65
4/62

 

 

2/68

3.47

1873

4/65
5/63

 

 

3/70
4/67

4

1625

 

 

 

4/70
5/66

 

 ROTAX 582:   65 HORSEPOWER  <>  6500 MAX RPM  

Reduction
RATIO

MAX PROP RPM
(with Eng RPM: 6500)

'B' Blade
(#Blades/Dia)

'C' Blade
(#Blades/Dia)

E

'F' Blade
(#Blades/Dia)

2

3250

 

 

 

 

2.24

2901

 

 

 

 

2.58
2.62

2500

3/64

3/64

 

2/70
3/64

3

2166

4/62
5/60

 

 

2/74
3/68

3.47

1873

4/65
5/63

 

 

3/72
4/69
5/66

4

1625

5-65

 

 

4/72
5/69

 

 ROTAX 618:   75 HORSEPOWER  <> 6500 MAX RPM  

Reduction
RATIO 

MAX PROP RPM
(with Eng RPM: 6500)

'B' Blade
(#Blades/Dia)

'C' Blade
(#Blades/Dia)

E

'F' Blade
(#Blades/Dia)

2

3250

 

 

 

 

2.24

2901

 

 

 

 

2.58
2.62

2500

3/65

3/66
4/62

 

2/72
3/67

3

2166

 

 

 

2/74
3/70

3.47

1873

 

 

 

3/74

4

1625

 

 

 

 

 

 ROTAX 912:   80 HORSEPOWER  <>  5800 MAX RPM  

Reduction
RATIO 

MAX PROP RPM
(with Eng RPM: 5800)

'B' Blade
(#Blades/Dia)

'C' Blade
(#Blades/Dia)

E

'F' Blade
(#Blades/Dia)


2.27


2555

3/65
4/65


4/64

 

2/72
3/70
4/66

 

 ROTAX 914/912S:   100 HORSEPOWER  <>  5800 MAX RPM 

Reduction
RATIO 

MAX PROP RPM
(with Eng RPM: 5800)

'B' Blade
(#Blades/Dia)

'C' Blade
(#Blades/Dia)

E

'F' Blade
(#Blades/Dia)


2.43


2386


5/65


5/64

 

2/74
3/72
4/69  


 
 

POWERFIN Propellers  

Wharton Airport, Hangar #31
       882 Robert Vonderau Dr
Wharton, TX 77488

Phone 979-532-5525

E-MAIL US

HOME <> ORDER FORM

An Opening Letter to You <> 2010 Press Release

Applications <>  Features <> Selection Guide   

Pricing <>  Assembly Instructions  <> Weights 

F-A-Q's   <>  Maintenance  <>  Balancing

Request a Prop Recommendation Form

Dealer/Distributor/O.E.M. Information

Employment  <>  Contact US