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Air in & air out- lets keep engine's cool

1932

50cc
engin-plane-air0001.JPG
This is anything but scale, but works dam good to keep engine cool going slow high alpha. It is easy and I still use funnel to oil Honda. BME EXTREM that needs cooling.
 

1932

50cc
The good part is that by cutting bigger or smaller parts of the funnel, or different sizes of funnel you can fit any plane.
 

1932

50cc
I was in a hurry to see if this worked so I could keep plane in air, did not go back and clean up!
Could put tabs on inside.
 

1932

50cc
Going to work on ducting ,how far down the back should I take the 540 ducting0006.JPG baffle?
Will have bottom baffle to.
 
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