ORIGINAL: Diablo-RCU
A fellow at our field has a used Taurus 52. It isn't as strong as the three Brison 3.2 engines that were lurking about. The Taurus just came back from the service department. The owner likes to run it with a 20x10 prop because anything larger simply doesn't rev up and pull.
Unbelievable. Diablo, you're a broken record. I guess some things never change. Certainly everyone here can make up their own minds, but for me, a bunch a people that own, or have owned, Taurus' and post their facts, hold a lot more weight than someone that has no ownership experience, posting some extremely nebulous second hand info. I'm sure it would be a lot more helpful for DiscoWings if you posted something positive about 50cc engines you have used, instead of posting second hand negative info about an engine you've never owned.
Obviously, if this guy's TS-52 will only run a 20X10, he needs to have it checked out because something is wrong, either with his setup, or the engine. I'm sure Taurus will be glad to fix it for him. FYI, my TS-42 turned a Menz S 22X10 at 6600 with the stock Pitts-style exhaust. Not only is the TS-52 a significantly more powerful than the 42, but mine was the older model that had less power than the current motors.
BTW, I meant to mention, that although I've stated my two favorites, any of the engines mentioned so far, setup properly, will do a great job with the stated task. Some might do it a little better than others, but they're all in the same ballpark. To me it would come down to cost, service and reliability...and even emotional preference. IMHO, the performance of all of them is too close to make that the deciding factor.....and... weight is also too close to make it a significant factor in the decision.