3W 120i B2 F Manual Download Page 18

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120 - 150i B2 / TS / CS front and rear Engine Manual

mounting bolt pattern

front induction

ATTENTION:

This drawing is in original size. Disable any Acrobat print setting to fit it into paper size.

Check the printed pattern before drilling.

www.3w-modellmotoren.com

Summary of Contents for 120i B2 F

Page 1: ...ENGINE MANUAL 120 150i B2 TS CS front and rear rear rear TS front front TS www 3w modellmotoren com...

Page 2: ...four stroke engines for gasoline and diesel for 38 years We are continually looking at new technologies and working on new designs Please be assured that we at 3W always strive to provide you with en...

Page 3: ...uct to your nearest 3W Dealer or to 3W Germany direct at your costs The garantee is limited to the value of the product The guarantee does not cover any damage caused by misuse or neglect accidents ab...

Page 4: ...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 or hand to start your m...

Page 5: ...r 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 to ensure a tension fre...

Page 6: ...e cylinder s Cavitating 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...

Page 7: ...n A grey gray colour is a typical sign for over heating Temperatures above 270 C are critical and over 300 C piston can seize and could completely damage the engine Temperatures below 180 C create rem...

Page 8: ...ic ignition overheats it will malfunction e g backfiring or shutting down Ignition details The red cable is positive The ignition timing has been set at our factory When fitting a new ignition it is i...

Page 9: ...rface The maximum difference of the blade heights should be no more than 1 64 The propeller tips must have an identical shape This is especially important when using 3 or 4 blade propellers You must u...

Page 10: ...nd nut Then solder the arm in place Refer to the attached illustration Note The use of a soft pushrod for the throttle plastic or nyrod is not recommended Use a metal or carbon fiber pushrod with a pl...

Page 11: ...2000 2500 rpm and let it run for 4 hours After that the engine would basically be broken in Note For break in a smaller propeller is recommended Important Remember that when the engine running ever pe...

Page 12: ...e servo A high quality throttle servo is recommended for reliable and accurate operation of the carburetor Never fill the fuel tank via the carburetor fuel line Use the same I D for tank ventilation a...

Page 13: ...whilst engine is running Stop the engine Tune the carburetor and start the engine again Repeat this procedure until the carburetor is properly tuned Make sure that no gasoline will be splashed into th...

Page 14: ...it for the propeller to stop spinning turn off the ignition and open the choke s Switch the ignition back on Flip the propeller again until the engine starts Warm up the engine for at least 20 seconds...

Page 15: ...there This problem may also indicate a dirty carburetor or faulty ignition The engine runs rough and is vibrating strongly Balance the propeller Check the ignition timing Check your plumbing for air...

Page 16: ...120 150i B2 TS CS front and rear Engine Manual Metrics www 3w modellmotoren com...

Page 17: ...rear Engine Manual mounting bolt pattern rear induction ATTENTION This drawing is in original size Disable any Acrobat print setting to fit it into paper size Check the printed pattern before drillin...

Page 18: ...rear Engine Manual mounting bolt pattern front induction ATTENTION This drawing is in original size Disable any Acrobat print setting to fit it into paper size Check the printed pattern before drilli...

Page 19: ...itson H 3 4 Low 1 3 4 140i B2 8 39 13 5 10 0 1 88 1 49 1200 8500 8 82 28x12 30x10 30x12 26x14 27x12 27 x 13 High 2 1 4 R 32x10 Low 2 1 4 150i B2 9 19 16 5 12 1 1 93 1 57 1200 8500 7 69 28x12 30x10 30x...

Page 20: ...Esta garantla vale solo si presentada bei einer Reklamation nicht vorgelegt Cette garantie est valable seulement junta a la prueba de cuempra recibo worden kann si accompagn e d une preuve de pago d...