3W Fact Sheets & Helpful Information
Probuild Aircraft Limited are the official agents for 3W engines, accessories & parts for the United Kingdom, Scotland & Ireland & all out lying areas...
Does a voltage regulator have to be used for the 3W ignition?3W-IIS ignitions does not need a voltage regulator. This unit is already part of the electronic and adjusted the voltage to the required value. Lipo Batteries with 2 cells can be used without problems. ..
What capacity of battery has to be used for the 3W ignition?Electric power consumption of 3W-Ignitions : - 1-Cylinder Ignition : 0,8A at 6000 RPM - 2-Cylinder Ignition : 0,9A at 6000 RPM ..
How to correctly start a 3W engine ?To Start Your 3W Engine Simply Follow The Guide Below: - Close choke - Switch on ignition - Set throttle slightly over idle - Start engine until it starts and stopps. - Open choke - ..
3W Installation PicturesInstallation Pictures Single - Cylinder To top Twin - Cylinder To top Twin baffleing To top Four - Cylinde..
3W Break In Procedure3W Break In Procedure Mount the engine onto a test stand with cylinder(s) being in free air to make sure that the air can flow propely over the cylinder(s). This is extremely important for good cooling. As per our instructions use mineral based 2-stroke oil, mixture ratio 1:30 Start the engine, set RPM to 2000 - 2500 and let the engine run for 2 - 3 hours. We suggest not to use mufflers or use a old muffler due to the rich mixture. When breaking in period has been finished, mount the engine onto the motor-moun..
3W Installation Tips3W Installation Tips Minimum distance 100mm between ignition and receiver battery Protect ignition cable only with spiral plastic band Never remove sparkplug connector with mechanical aids Remove sparkplug connector by twist/pull movement Spark pug connector has to have a firm and save sit on sparkplug hexagon. If this is not the case; radio interference Use only ignition on/off switches recommended by 3W Battery operating voltage not below 4,8V Use high quality servo for throttle opera..
3W Exhaust Manifold Length3W Exhaust Manifold Length Engine manifold length 3W Muffler 3w 24i, 28i, 48ib2, 56ib2 6,94 - 7,48 inch S 30 3w 24i, 28i, 48ib2, 56ib2 5,51 - 6,30 inch SC 30 3w 42i, 50i, 85ib2, 100i, 112ib4 7,08 - 7,87 inch M 50 3w 55i, 55Xi, 60i, 70i, 106i, 110i, 120i, 140i 6,94 - 7,87 inch L 70 / L 70K 3w 75i, 80xi, 150i, 157xi, 212ib4, 220ib4 ..
3W Carburettor Settings3W Carburettor Settings Carburettor settings: Engine "H"-Needle "L"-Needle Carburettor 3W-24i 1 1/2 1 1/2 Walbro 3W-28i 1 1 1/2 ..



