THUNDER TIGER PERFORMANCE CHART 

Engine

Item #

Practical RPM Range

Output
(BHP/ RPM)

Length Backplate-Thrust Washer mm/ in

Height Beam-Top of Cylinder

Crankshaft Thread

Beam Width
mm/ in

Weight g/oz

GP-07

9007

3000~18000

0.19/17000

55.6/2.19

46.0/1.81

5 mm

23/0.90

94/3.33

GP-10

9010

2500~18000

0.27/17000

55.6/2.19

46.0/1.81

5 mm

23/0.90

162/5.71

GP-15

9011

2500~18000

0.27/17000

57.4/2.56

49.5/1.95

7/32 x 32

25/1.00

180/6.34

GP-25

9020

2500~16000

0.60/15000

66.5/2.62

60.0/2.36

1/4 x 28

28/1.10

242/8.53

GP-42

9041

2000~15000

1.10/16000

75.9/2.99

67.7/2.67

1/4 x 28

33/1.30

357/12.6

GP-61

9060

2000~17000

2.00/16000

91.9/3.62

82.9/3.26

5/16 x 24

44/1.70

6.94/24.46

 

 

 

 

 

 

Engine

Item #

Practical RPM Range

Output
(BHP/ RPM)

Length Backplate-Thrust Washer mm/ in

Height Beam-Top of Cylinder

Crankshaft Thread

Beam Width
mm/ in

Weight g/oz

PRO-25

9120

2500~17500

0.70/16000

74.5/2.93

60.4/2.38

1/4 x 28

30/1.20

286/10.08

PRO-36

9130

2000~17000

1.00/14500

74.5/2.93

59.5/2.40

1/4 x 28

31/1.25

314/11.06

PRO-4O

9140

2000~17000

1.22/16000

84.9/3.34

69.0/2.72

1/4 x 28

34/1.35

455/16.03

PRO-46

9141

2000~17000

1.43/16000

84.9/3.34

69.7/2.74

1/4 x 28

36/1.40

449/15.82

PRO-61

9160

2000~17000

1.80/13000

94.6/3.72

83.0/3.27

5/16 x 24

44/1.70

759/26.75

PRO-120

9195

2000~15000

3.5/15000

101.0/3.98

92.0/3.62

5/16 x 24

49/1.90

994/35.5

 

 

 

 

 

 

4-s Engine

Item #

Practical RPM Range

Output
(BHP/ RPM)

Length Backplate-Thrust Washer mm/ in

Height Beam-Top of Cylinder

Crankshaft Thread

Beam Width
mm/ in

Weight g/oz

F-54S

9800

2200~12000

0.8/12000

76.5/3.01

83.0/3.27

1/4 x 28

36/1.40

419/14.8

F-91S

9801

2200~12000

1.6/11000

90.0/3.54

95.5/3.76

5/16 x 24

44/1.70

736/26.2

 

 

 

 

Heli Engine

Item #

Practical RPM Range

Output
(BHP/ RPM)

Length Backplate-Thrust Washer mm/ in

Height Beam-Top of Cylinder

Crankshaft Thread

Beam Width
mm/ in

Weight g/oz

PRO-36H

9670

2000~17000

1.00/14500

74.5/2.93

61.0/2.40

1/4 x 28

31.75/1.25
284/10.01

PRO-50H

9605

2000~17000

1.8/16000

76.2/3

68.3/2.69

1/4 x 20

34.04/1.34
405/14.28

PRO-61H

9695

2000~17000

1.95/16000

92.6/3.65

81.0/3.19

5/16 x 24

43.18/1.7
578/20.38
PRO-70H
9607
2000~18000
2.25/16000
83.1/3.27
80/3.15
5/16 x 24
42.93/1.69
 
PRO-90H
9609
coming soon