ORIGINAL: ratshooter
Hello opjose we did get both engines running today but it was only after I went and bought an electric starter. I don't think this engine is going to lack in the power department. When we did get them started both leaked like crazy between the head and the cylinder. The instructions stated the low speed needle should be set so close to correct that no tuning would be needed. What a joke that was. They were both so rich that I had to turn both of them in one and half to two turns. The low end was so rich the engines would just flood out and would barley transition from idle to full speed.
One practice I advise people to do particularly with new engines, is to tighten the cap screws, run the engine for a bit so it gets hot, then retighten.
I have yet to see the needles correctly set on any engine out of the box, on anything other than an O.S.
The ST's take a bit of dialing in and breaking in. But once done I've found them to work well.
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Re: LA 46
I put an LA 46 on a Spacewalker II .46 size plane, because it was one of the recommended engines.
The plane came in at about 6-7lbs AUW. I was not impressed with the performance of the plane, so I replaced the engine with an O.S. .46 AX for more power.
I took the LA 46 and put it into a .32 sized Extra 300, and it's stayed there.... I've been very happy with that combo.