Gday,

I'm forming a fuel tank for a edf to turbine conversion. It's the Pheonix Preceptor. It'll use a K 60.

Question is how much direct air does a turbine require? My other turbine jets, Viper and F 15 have nice ducting. Im trying to keep most of the fuel over the cg. So the tank Im building will be blanking out the bottom half of the engine, Air will flow around the tank and enter the top 60% of the engine.
Will this be sufficient?
Also will ram air at speed just bypass the engine and not enter the engine?(it's an argument I'm having with a buddy, I think it'll enter regardless as the engine is sucking the air in)

The jet will keep it's first couple of inches or so of intake.

Just after some answers so I don't affect the engines performance and/or limitations. It's the first conversion I have attempted.

Also, any one who own a K60, will 1.5 lires be enough for general flying? Wont go full throttle much as the jet will be a little over powered, estimating most flight will be 1/2 and less. I tested on the stand and got 6.30mins of mixed throttle and enough for 2 missed approaches, on 1.2 litres.

cheers

Matt