Sure but where do you get spare parts for them, because more Nitro means more Spare parts too ...

There is in fact further stronger point: - Cox are almost useless in the presense nowadays of batteries and controllers
with power efficiency of 90+%. Almost all engines below 15cc are already on the way to the museum and soon the
bigger ones will follow. Look at F3A - many fly there electric. The batteriy price is the inhibitor but soon that will go
too - Porshe showed right now on Frankfurt Motor show an SUV(!) with 40% of the power from batteries, and Cessna,
the new Light Aircraft Cessna 162 for two people was demonstrated to run on batteries with SAME(!) endurance
as on gasoline version, sure the Efficiensy is everything in Aviation and nothing we can do for those old "fellows" than
to clean them and place them in the museum, like the steam machine is no longer a choice. In fact I wander if
some one on RCU is flying an RC with Steam Engine - that would be terrific to see.
Well I will be missing my 15cc and 26cc engines but there is still time to enjoy them till the
batteries get lot cheaper.

Cheers,
Nick