I have these two and am planning on using one of them. Just wonder if any ony has tried both and what the results were ? The .45 is an ABC engine.

Andy

It's the old Chinese Ford vs Chinese Chevy question.

LOL

Evolution is advertising a larger prop at lower rpm's , Super Tigre the smaller prop. Didn't know of one likes to rev more then the other.

Actually its an Italion Ford VS Chinese Chevy ... ? I think.

I get your point.

No, ST is no longer Italiian.

Suggest that you not use Chinese engines. There are a number of American and European engines. A lot of them are better than the ST or EVO No need to support a communist country.

Seeing that you own both of these go with the supertigre 45 . Very good engine . I beleive there both from the same parent company but very different . From the people that I know that have had the evolution engines they werent happy campers . Cheers the pope

I have a like new, Italion made, Super Tigre .45 with the good old LOUD exhaust! I also have a used Evolution. The Evo is in really nice shape, the Super Tigre shows no wear at all.

I made the mistake of selling my K&B .48 a while back, but what you going to do?

Andy

Pope,

This is also good infor, thank you.

The Evolution 46 line engines are all excellent. I would certainly put any version of the Evo 46 up against any version of OS 46, which has the gold standard image to some people. I'll be interested in hearing of the comparable quality and power in those engines you are telling us about. While I understand your sentiments about China, just how far do you have to go to attempt to not buy anything made there???

I didn't make a statement of the quality of Chinese engines. Though since you mention it I consider them good but not as good as most American and European engines. If you stick to American then if you want top quality you can get Jett which is about the best you can get. For less you can get K&B and Fox. But for a 45 I think you are stuck with Fox (not really stuck they make a very good .45 and .46). Maybe Jett has a 45, I know they have a .50 but not sure about a 45.

European engines? Since Webra is shut down you are stuck with Rossi, Novi Rossi, and MVVS. Not sure what is actually available right now though.

Ihad bought a few ASP and Magnums when Ithought the free trade would bring them around to capitalism, but that no longer seems to be working. I have had good service from them but have had an issue with a soft aluminum casting on a carb which broke too easily, and a brittle steel on a carb barrel. Not a big enoughof a problem to get rid of them, mind you. Ihave never had the same issue with my other engines.

I should have mentioned engines from other Asian countries which are not communist. Of course OS is very good, I just consider them overpriced for what you get. Then there is Saito and Thunder Tiger. I am sure there are others, but they don't come to mind right now.

The OS 46 AX I or II will turn a stock un modified APC 10x7 made in last three years prop at 13,700 all day long. some if broken in very well will run it at 13,900.

Iunderstand the Evolution engines are very powerful. But Ihave little first hand experience with them aside from my friends at the flying club using them.

For the OP, use them both, make two planes. I had good luck with Supertigers, they honk pretty goodand everyone in the clubs that I ask say the Evo'shave a bad rep, but theirs are great. Maybe check the rpm #'s in the threads here at RCU and check to compare, I am sure there would be something on both of those motors for similar props.

I've owned Super Tigres in the past and found them to be very powerful engines. I am running a couple of OS Max 61 SF right now and find them extremely powerful. They are at least 30 years old.

I have a Evo 61 NX still new in the box, I don't know how they rate as power as yet. It's hard to get good information here because you have those they say they are the bee's knees and others that claim they're junk. So who do you believe?

I have flown Webras, O.S. Max, Fox, K&B, Super Tigre, Picco and McCoys. I found that the Picco was the strongest, followed by the O S Max , Webras and Super Tigres. Fox was my worst engine. The McCoy Red Head was my first engine back in 1958.

Dub Jett makes one fantasic engine. I wish I could afford one or two.

Frank

Well, yes, you did forget the other engines. I challenged your comment about others being better.

The 61 was the engine that caused problems when many left the plant with carb o rings missing.

The Evo line is not the same as ASPs or Magnums. Different engines altogether.

I don't know which Fox engine you tried. Many of the older ones had a carb that was difficult to tune, especially if you tuned the high speed needler before. Some were made for power and others made real light and intentially had low power. Some for high nitro and som for no nitro. If you bought one without the instruction manual and did not know its druthers, you could have a problem with an otherwise good engine. And yes they had a few lemons as well.

I think if you bought a new one today and used the fuel it is made for, you would find it a very good engine.

Super Tigre engines are now made by GMS, who also makes their own line of engines. They also used to manufacture the Tower Hobbies brand engines. I really like the Chinese-made Super Tigre engines; the story has it that the family that owns Super Tigre had the factory tooling moved from Italy to China when they first moved production to Asia. I don't know if it's true or not, but it's a good story.

The Evolution glow engines are made by Sanye, who makes engines under their own brand name as well as Magnum and ASP. Evolution gasoline engines are reportedly made for Horizon Hobby by MVVS, and have a wonderful reputation as some of the best gasoline engines for model aircraft that you can buy.

Another major glow engine OEM in China is Jiang Blue Arrow. They manufacture their own JBA line of glow and gasoline engines as well as the SK line of glow engines carried by http://www.kangkeusa.com and http://www.bj-model-engines.com/home.html at this time. JBA is also said to manufacture the VMax engine line for http://www.richmondrc.com in Canada. They probably were also the OEM behind the old Tiger Shark line of glow engines, but that is a guess on my part.

If you were curious about other engines made in free market economies, you could add Enya (Japan) to the list along side of O.S. Max (Japan) and Thunder Tiger (Taiwan). Enya engines can be purchased directly from the company's website at http://www.enya-engine.com where you'll likely want to select "English" as your preferred language.

If I were in your shoes, AJ, and owned a Super Tigre GS-45 and an Evolution .46 NT, I'd use the Super Tigre GS-45 and try to sell the Evolution .46NT. The Super Tigre is the superior of the two in terms of quality and power.

Maybe I'm late to this conversation, but NV engines (formerly Norvel) re-started production, again. They recently came out with a .46, but I don't know how powerful it is. the AX40 is moderately powerful, but not communist. (formerly communist?)

This should be fun, I cleaned up the Super Tigre and after getting all the dust off it looks like brand new. I really don't know if it's ever seen fuel. I have and older .45 with a round head, same situation, the piston and liner are bright silver, no sign of fuel or carbon.The older .45 will need bearings though, not very smooth.

Andy

All you can really do to decide is fly the plane with both. Even if you have top RPM numbers that doesn't tell you everything, or even nearly everything, about how the engine will fly the plane. Since it's only 4 bolts to switch them out, I'd take a day and run one with a few different props and then run the other one with a few different props. They'll accelerate differently, run differently on the top end, will probably like different props which affects the torque effects that your plane sees, will vertical differently, and will generally have a different feel. It shouldn't take long to decide which one suits your flying style the best.

And doing this test would be a lot of fun too!!! I did that with one of my planes, have run 3 different engines on it with a good amount of learning achieved.