ORIGINAL: K94max
I got a question. I had my heli apart last night and I was checking the main motor (nothing hooked to it) and this is what I observed. At low speed it sounded like it had a "growl" in it and as I increased speed it would change from a "growl" to a higher pitched whine.
It sounds like the bushings are scored. I know it doesn't say it anywhere, but bushings do need to be lubricated. They make a special [link=http://www2.towerhobbies.com/cgi-bin/wti0001p?&I=LXKC44&P=]bushing oil[/link] specifically for this application. You can still lube them now, but the damage is done.
Heliko, still debating on priority of getting an upgraded TX or a HH Gyro. As you said earlier, need a higher channel radio to run the higher gyro if I plan to swap it to a bigger heli someday.
It's a difficult choice.
My concern is if it will survive my flying until I get the bigger one.
That depends on your flying.
