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140i R2 - 150i R2 / TS
Engine Manual

Techn. specifications / Caracteristiques techniques

www.3w-modellmotoren.com

Engine

Cylinder
capacity

ccm / cu.in

Power /

Puissance

HP / KW

Bore dia. /

Alesage

mm / in

Stroke /

Course

mm / in 

Speed range /

rpm

Weight /

Poids

g / lbs

Propeller / Hélice

2-bladed / à 2 pales

Propeller / Hélice

3-bladed / à 3 pales

carburetor

settings

140i R2

137,6 / 8.39

13,5 7 10,0

48 / 1.89

38 / 1.49 

1300 - 8500

4680 /

10.32

28x12, 30x10, 30x12

27x12, 26x12, 26x14

High = 1

Low = 1

150i R2

150,8 / 9.19

17,0 / 12,5

49 / 1.93

40 / 1.57

1000 - 8500

4600 /

10.14

28x12, 30x10, 30x12,

32x12

27x12, 26x12, 26x14,

28x12

High = 1

Low = 1

150i R2

150,8 / 9.19

17,0 / 12,5

49 / 1.93

40 / 1.57

1000 - 8500

4800  /

10.14

28x12, 30x10, 30x12,

32x12

27x12, 26x12, 26x14,

28x12

High = 1

Low = 1

Universal Specifications

• Crankshaft

3 Ball bearings/ 3 Roulement à billes

• Connection rod / Bielle

Needle bearings on both ends / Roulement à
aiguille aux deux cotés

• Gasoline Version

1 : 50 - 1 : 80 Mix, full syntethic oil, high Octane
unleaded fuel (98 Octane is recommended)

• IIS - Ignition / V.cc allumage

6,0 V

Summary of Contents for 140i R2

Page 1: ...ENGINE MANUAL 140i R2 150i R2 TS www 3w modellmotoren com 140i R2 150i R2 150i R2 TS...

Page 2: ...of power And a 36 month conditional warranty We wish you plenty of fun and success with your new 3W engine Sincerely The 3W Team Limited Warranty We grant a 36 month warranty from the date of purchas...

Page 3: ...e adequate filtering of your fuel Maintain your engine properly keeping it clean etc Use a pre flight check list before flying your model Secure your model properly when starting Not use your fingers...

Page 4: ...r engines up to 106cc or 3 8 aircraft plywood for engines in the 150cc class For builders experienced with making composite motor boxes a comparable strength should be attained It is absolutely vital...

Page 5: ...hot air can will overheat the engine Engine Cooling A proper cooling system is vital for any engine An air cooled engine requires an appropriately sized air intake Also to keep this air cooling proces...

Page 6: ...and needle bearings could be damaged Further you risk an elongation of the heated engine parts and or having an oil film build up which could lead to a seized piston or pistons Following the instruct...

Page 7: ...nition description for further information Canister mufflers To prevent damage to the header s a flexible support bracket is required to mount the canister s The location for this bracket should be at...

Page 8: ...ill one hole put one of the propeller bolts into the hole Continue until the last bolt is used If you cannot hand tighten all of your prop bolts easily then you have not drilled the propeller correctl...

Page 9: ...reak In Use a 2 stroke petroleum based oil preferably ashless as this type of oil has a good honing effect which helps to break in the engine Use a mixture of 32 1 or even 30 1 Use this fuel mixture f...

Page 10: ...om abroad have used with success Pennzoil at 50 1 Redline at 40 1 Amsoil DOMINATOR Racing Oil at 50 1 Amsoil Saber 100 1 Pre Mix Oil at 100 1 Note The engine needs 12 20 hours running time for the bre...

Page 11: ...soldered on DUBRO barbs on the ends of the brass tubing is highly recommended Again always secure the fuel line with small plastic cable ties Warning Failing to read and follow all of the instruction...

Page 12: ...follow the instructions in this manual will void your warranty immediately Pilots check list We strongly recommend checking the following agenda for your own safety before starting Check the propelle...

Page 13: ...le abruptly Precision tuning of the carburetor The use of a tachometer is highly recommended And again never adjust the needles while the engine is running 1 Using the tachometer tune the engine for m...

Page 14: ...ugh and is vibrating strongly Balance the propeller Check the ignition timing Check your plumbing for air fuel leaks Check your spark plug for carbon and check the spark plug gap Check the motor mount...

Page 15: ...140i R2 150i R2 TS Engine Manual more infos www 3w modellmotoren com Metrics...

Page 16: ...32 28x12 30x10 30x12 27x12 26x12 26x14 High 1 Low 1 150i R2 150 8 9 19 17 0 12 5 49 1 93 40 1 57 1000 8500 4600 10 14 28x12 30x10 30x12 32x12 27x12 26x12 26x14 28x12 High 1 Low 1 150i R2 150 8 9 19 17...

Page 17: ...20 kV Rpm max 12 000 rpm 12 000 rpm Magnet red north pole upper dead point upper dead point Magnet green south pole 55 o before upper dead point 55 o before upper dead point Like all other electronic...

Page 18: ...rtificat car votre droit de garantie en cas de r clamation n est valade que sur pr sentation de ce document Cette garantie est valable seulement si accompagn e d une preuve d achat Facture du revendeu...

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