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Gear Notes: "Modulus" is the metric systems way of expressing gear tooth pitch or size. In English or SAE gears teeth are counted per inch. So, a straight gear (like the rack in a rack and pinion setup) rated at 10tpi, would have 10 Teeth Per Inch. Modulus is used in the Metric system and it's an expression of how large each tooth is. Little different system but one thing is held true. A 10tpi and 14tpi SAE gears will not mesh with each other, the TPI numbers must match. Same for Metrics, the "Modulus" must be the same to mesh, a .4mod and .3mod gear will not work together. For GWS gears, all you really need to know is what power system series you have (LPS,IPS,EPS,EPS400 etc..) and the gear letter. On your existing spur gear has a letter is molded in. If you need to replace a "C" gear in your EPS350, forget about how many teeth it has, just order the "C" pinion or spur that you need in the EPS list. Pinions are the small metal gears on the motor. Spurs are the large plastic gears that are on your prop shaft.
GWS LPS B2C Replacement Pinion Gear A 12T 1mm
GWS LPS B2C Replacement Pinion Gear A 12T 1mm

Replacement Pinion Gear LPS A Gear Ratio 12 tooth, pitch is modulus .3, 1mm bore. For B2C type LPS power systems.
SKU Number:GWGER001A
Price: $1.75
Quantity:   

GWS LPS B2C Replacement Pinion Gear B 10T 1mm
GWS LPS B2C Replacement Pinion Gear B 10T 1mm

Replacement Pinion Gear LPS B Gear Ratio 10 tooth, pitch is modulus .3, 1mm bore. For B2C type LPS power systems.
SKU Number:GWGER002A
Price: $1.25
Quantity:   

GWS LPS B2C Replacement Pinion Gear C 10T 1mm
GWS LPS B2C Replacement Pinion Gear C 10T 1mm

Replacement Pinion Gear LPS C Gear Ratio 10 tooth, pitch is modulus .25, 1mm bore. For B2C type LPS power systems.
SKU Number:GWGER003A
Price: $1.75
Quantity:   

GWS LPS Replacement Pinion Gear A 12T 1.5mm
GWS LPS Replacement Pinion Gear A 12T 1.5mm

Replacement Pinion Gear LPS A Gear Ratio 12 tooth, pitch is modulus .3, 1.5mm bore. For RXC and RLC type LPS power systems.
SKU Number:GWGER001
Price: $1.25
Quantity:   

GWS LPS Replacement Pinion Gear B 10T 1.5mm
GWS LPS Replacement Pinion Gear B 10T 1.5mm

Replacement Pinion Gear LPS B Gear Ratio 10 tooth, pitch is modulus .3, 1.5mm bore. For RXC and RLC type LPS power systems.
SKU Number:GWGER002
Price: $1.25
Quantity:   

GWS LPS Replacement Pinion Gear C 10T 1.5mm
GWS LPS Replacement Pinion Gear C 10T 1.5mm

Replacement Pinion Gear LPS C Gear Ratio 10 tooth, pitch is modulus .25, 1.5mm bore. For RXC and RLC type LPS power systems.
SKU Number:GWGER003
Price: $1.25
Quantity:   

GWS IPS Replacement Pinion Gear #2 16T
GWS IPS Replacement Pinion Gear #2 16T

Replacement Pinion Gear IPS "#2 Gear Ratio" 16 tooth, pitch is modulus .4, 1.5mm bore. For all IPS single and dual drive systems.
SKU Number:GWGM16T4
Price: $1.25
Quantity:   

GWS IPS Replacement Pinion Gear #1 14T
GWS IPS Replacement Pinion Gear #1 14T

Replacement Pinion Gear IPS "#1 Gear Ratio" 14 tooth, pitch is modulus .4, 1.5mm bore. For all IPS single and dual drive systems.
SKU Number:GWGM14T4
Price: $1.25
Quantity:   

GWS IPS Replacement Pinion Gear A 14T
GWS IPS Replacement Pinion Gear A 14T

Replacement Pinion Gear IPS "A Gear Ratio" 14 tooth, pitch is modulus .3, 1.5mm bore. For all IPS single and dual drive systems.
SKU Number:GWGM14T3
Price: $1.25
Quantity:   

IPS Replacement Pinion Gear B 12T
IPS Replacement Pinion Gear B 12T

Replacement Pinion Gear IPS "B Gear Ratio" 12 tooth, pitch is modulus .3, 1.5mm bore. For all IPS single and dual drive systems.
SKU Number:GW/GM12T3
Price: $1.75
Quantity:   

IPS Replacement Pinion Gear C & E 10T
IPS Replacement Pinion Gear C & E 10T

Replacement Pinion Gear IPS "C & E Gear Ratio" 10 tooth, pitch is modulus .3, 1.5mm bore. For all IPS single and dual drive systems.
SKU Number:GW/GM10T3
Price: $1.25
Quantity:   

IPS Replacement Pinion Gear D & F 9T
IPS Replacement Pinion Gear D & F 9T

Replacement Pinion Gear IPS "D & F Gear Ratio" 9 tooth, pitch is modulus .3, 1.5mm bore. For all IPS single and dual drive systems.
SKU Number:GW/GM09T3
Price: $1.25
Quantity:   

 
EPS 100C,150C,300C,350C,370C Replacement Pinion Gear #1, 20T

Replacement Pinion Gear EPS 100C,150C,300C,350C,370C #1 Gear Ratio" 20 tooth, pitch is modulus .4, 2.0mm bore.
SKU Number:GWEPS91
Price: $1.25
Quantity:   

 
EPS 100C,150C,300C,350C,370C Replacement Pinion Gear #2, 18T

Replacement Pinion Gear EPS 100C,150C,300C,350C,370C #2 Gear Ratio" 18 tooth, pitch is modulus .4, 2.0mm bore.
SKU Number:GWEPS92
Price: $1.25
Quantity:   

 
EPS 100C,150C,300C,350C,370C Replacement Pinion Gear A, 16T

Replacement Pinion Gear EPS 100C,150C,300C,350C,370C A Gear Ratio" 16 tooth, pitch is modulus .4, 2.0mm bore.
SKU Number:GWEPS9A
Price: $1.25
Quantity:   

 
EPS 100C,150C,300C,350C,370C Replacement Pinion Gear B, 14T

Replacement Pinion Gear EPS 100C,150C,300C,350C,370C B Gear Ratio" 14 tooth, pitch is modulus .4, 2.0mm bore.
SKU Number:GWEPS9B
Price: $1.25
Quantity:   

 
EPS 100C,150C,300C,350C,370C Replacement Pinion Gear C, 12T

Replacement Pinion Gear EPS 100C,150C,300C,350C,370C C Gear Ratio" 12 tooth, pitch is modulus .4, 2.0mm bore.
SKU Number:GWEPS9C
Price: $1.25
Quantity:   

 
EPS 100C,150C,300C,350C,370C Replacement Pinion Gear D, 10T

Replacement Pinion Gear EPS 100C,150C,300C,350C,370C D Gear Ratio" 10 tooth, pitch is modulus .4, 2.0mm bore.
SKU Number:GWEPS9D
Price: $1.25
Quantity:   

 
EPS 280C/370C Replacement Pinion Gear E, 16T

Replacement Pinion Gear 280C,370C E, Gear Ratio" 16 tooth, pitch is modulus .5, 2.0mm bore.
SKU Number:GWEPS9E
Price: $1.25
Quantity:   

 
EPS 280C/370C Replacement Pinion Gear F, 16T

Replacement Pinion Gear 280C,370C E, Gear Ratio" 16 tooth, pitch is modulus .4, 2.0mm bore.
SKU Number:GWEPS9F
Price: $1.25
Quantity:   

 
EPS 280C/370C Replacement Pinion Gear G, 12T

Replacement Pinion Gear 280C,370C E, Gear Ratio" 12 tooth, pitch is modulus .5, 2.0mm bore.
SKU Number:GWEPS9G
Price: $1.25
Quantity:   

 
EPS 280C/370C Replacement Pinion Gear H, 10T

Replacement Pinion Gear 280C,370C E, Gear Ratio" 10 tooth, pitch is modulus .5, 2.0mm bore.
SKU Number:GWEPS9H
Price: $1.25
Quantity:   

EPS 400C Replacement Pinion Gear A 28T
EPS 400C Replacement Pinion Gear A 28T

Replacement Pinion Gear EPS 400C A Gear Ratio" 28 tooth, pitch is modulus .4, 2.3mm bore. For all EPS 400C drive systems.
SKU Number:GW/GM28T4
Price: $1.25
Quantity:   

EPS 400C Replacement Pinion Gear B 26T
EPS 400C Replacement Pinion Gear B 26T

Replacement Pinion Gear EPS 400C B Gear Ratio" 26 tooth, pitch is modulus .4, 2.3mm bore. For all EPS 400C drive systems.
SKU Number:GW/GM26T4
Price: $1.25
Quantity:   



NASA wants to go back to the moon. Radical RC's Wicked Wing beat them to it! Check out our original designs! Radical RC Verti-Go 125, Verti-Go 3D, E-Hornet, Mini Stick, Micro Stick, Micro Bipe, Micro Low Stick, Quick Wing 12mm, Quick Wing 20mm, Quick Wing Twin 20mm Double Trouble, Das Mini Low Stick, Das Mini Bipe, Mini Hunter, and now available...Mini Intern Trainer!

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Pictured to left is one of Garrett's competition ships, to right ....
Dave, Here is a picture of my second plane. This is a 3W Extra 330 40%. The plane is flying great. Thanks so much for all your support in this hobby. I really like using your products. My friends as well are very happy with the equipment & fast-friendly service that is coming out of your company. Let's keep in touch. -Garrett Morrison


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