Tried an Enya SS45BB in a BlueMax to see how much performance I could get out of it and the engine performed surprisingly well.
Stock Engine with Enya optional Spiral 8.3mm venturi
Stock Original Muffler
Stock APC 12x4 prop
Stock Byron 10/20
Stock Brodak MW ATF 4.5Oz tank
Stock Hobbyco Large Exhaust Deflector
Got 5.6s Laps and it burned 3.4Oz
The Spiral Venturi seems to works better than the regular venturi, the engine run feels more symmetric and precise.
Here is a video of day 2 of testing. It ran too strong, this setup is probably better for me to use in very windy condition. I used the 8.3mm Spiral venturi and a cut down hobbyco large deflector, cut right after the bent and used the full length of the straight part.
To tame down the engine a bit I just used a full large deflector.
with mild winds
with light winds
Martin