All of my SuperTigers seem to need to run richer on the low end than I would normally assume or ever set.

This causes them to idle very roughly and to load up when on the ground, but the transitions then are perfect.

So the engine tends to be very rich at idle, and removing the glow plug normally does cause the RPM's to drop percipitously.



If I lean the engine out to fix the idle, the transitions become fairly bad.

Adjusting the aperture using the two screws & turning the entire assembly doesn't seem to help at all.


There was an article in RC Sport Flyer Magazine about easily fixing things like this...


In their example they fixed a TT .46's transition/idling problems by filing a round "edge" hole on the carb barrel, so that more air is introduced at extreme low idle.

It seems like a very simple solution, but I have yet to try it.