I also tested the idea of mounting the engine at an angle. Mine is mounted on a test stand that's attached to a Workmate. I lowered the side of the workmate so the carb was tilted up and started the engine and then tuned it. It ran great. If I tilted it more it really didn't change the idle speed. However if I held the engine level for about 10-15 seconds then tilted again it would quit. This may be a good option since the big concern is the enging quitting at ilde while landing and hopefull I won't be that unlevel. Anothe benifit may be that the cowl may mot have be cut up so much for the muffler. Another observation, I have a DA50 and there is a short fuel line that runs from the adaptor that's between the carb and engine case back to the carb. I'm wondering if this is there to collect any excess fuel before it can flood the engine. That hose may be ther for another reason. Does someone know about this? I'm sure glad I found this forum but unfortunately I already bought the DLE-30 directly form China. Keith