ORIGINAL: zackesch
Thank you all for the replys. I was in an area where i had no internet connection on my phone. I will look more into the LA 40. My question about engines is how much more power is there from a bushing to a bearing engine, and will it lead to a longer flight?
There is MUCH MORE power with the Evolution .46 than there is with the LA46.
An O.S. LA 46 is about the equivalane of a .32-.36 sized AX type engine.
I made the mistake of putting in an O.S. LA .46 into a .40 sized Spacewalker II. I found the plane to be GROSSLY underpowered with that engine, no matter the prop I selected.
I replaced the engine with an O.S. AX .46 which transformed the plane completely ( thought it still needed a bit more power IMHO ).
The OS LA 46 ended up ( where it still resides now, many years later ) in a MegaTech .30 size Extra 300, where it is a perfectly sized engine for this 3.0lb plane. It does very well there.
The Evolution .46 produces just about the same amount of power as an O.S. .46 AX, so both are considerably more powerful than the LA.
To get the same amount of power in the LA series you'll need to move up to the .60 sized engine.
BTW: Dual bearing engines are easier to clean out than bushing engines.
There is a slight gap between the ball bearings which lets you flush out debris with a bit of glow fuel or WD40.
Get dirt or debris in a bushing, and it's time for a new bushing, requiring a rebuild.... in spite of this the LA's do hold up very well over time, but there is no post crash advantage to the design IMHO.