The end of the Glow engine is nigh.

You can purchase a conversion kit from Just Engines in the UK that will convert a glow down to 0.46 size to gasoline/petrol/benzin.

The electronics is not a limting factor anymore. Conversion kits weigh around 123gr or 5oz(?) which really helps to balance the aircraft anyways since most need balance either fore or aft and these units can be placed anywhere. The JE conversion kit will run off your Rx battery so a min 1200mA.hr is required.

I don;t think electric will take over in the near term. Batteries are not cheap and they are easily damaged. The A123 cells will open the doors but total weight and out right performance will always be a problem on larger motors.

As mentioned, any 2stroke will sound like a weedeater, the OS MAx AX range with power box seem to sound  better than the other brands ( I fly mostly GMS2000) but 4 stroke is where the real scale sound lies.


One last thing on the power to weight of gassers s glow.

Gasser design is maturing all the time and the weight is coming down so the power to weight is leveling.

But that means nothing since we are interested in THRUST to weight ratio and here the picture is leaning heavily toward gassers.

Four stroke gasoline engines are a little pricey compared to their two stroke  brothers but the 2 stroke still sound better than the 2S glow; sort of like a weedeater with a deeper voice...

IMO, 4 stroke is where the exciting stuff is. I would strongly consider 4stroke gasoline for better midrange, throttle response, sound, fuel cost, reliability. To me they just seem BETTER.