Jett .46 problem, question
Afternoon all:
Here is a question about a problem with a Jett ,46 engine. I've been doing some work with a group using a Jett .46 engine on a wieght lift project. The engine runs beautifully and pulls some amazing weight but has an odd problem. It will run up to top rpm very well but if it is pulled back to the mid range it will not throttle back up to full power, it simply runs at partial power on the very rich side even with the throttle opened to full correctly. It will quit completely in a fairly short time. This is causing all kinds of problems in flight maintaining proper speed and altitude. Any idea why the engine is running this way? What can be done to make it run correctly at any throttle setting? It is using proper fuel, prop and plug, the needle is set correctly and when it hits top speed it puts out tremendous power. We just need it to get through a complete flight with the throttle at any setting. We have many years of experience but this one has been a mystery. Any help or advice is appreciated. Thanks.
Rick H.