by Jeff Goin | Apr 24, 2019 | Mx: Motor, Mx: Troubleshooting
Membrane carbs are sensitive to the pressure required to push the needle valve off its seat to allow fuel into the chamber: pop-off pressure. This tool makes it easy easy to do. There is a fairly wide pressure allowance and that the what you measure with the motor...
by Jeff Goin | Apr 24, 2019 | Mx: Motor, Mx: Troubleshooting
Ding the tip of your carbon prop? Is the prop in good shape otherwise? This may work to repair it if the damage is minor. It’s based on the same technique as covered in Chapter 12 of the PPG Bible. Flying a repaired prop could cause injure or kill a bystander if...
by Jeff Goin | Apr 23, 2019 | 12: Maintenance, 23: Motor & Propeller, Mx: Troubleshooting
It’s always good to support your local dealer to better ensure he/she stays in the business of providing support. But it’s also nice to know where parts are available can get you airborne when the dealer is unavailable or is not providing good service. As...
by Jeff Goin | Apr 23, 2019 | 22: Aerodynamics, 23: Motor & Propeller, Mx: Motor
Which prop you choose depends on which redrive you have. A high ratio means the prop spins at a slower speed and needs more pitch–a bigger bite. At some point of increasing pitch, efficiency suffers and/or the motor will bog down and won’t get up to its...
by Jeff Goin | Apr 23, 2019 | Mx: Motor
Spark Plug Selection Thanks Dave Moore and Brian Del Campo with this information. The NGK BR9ES is the most common plug. Do not combine it with a resistor cap–the spark will be too weak. Redrive & Bearings Visit the Top 80 parts site listed above to find the...
