Building Tip of the Week: Cowl Ventilation

Posted by aerobeez On December - 31 - 2014

Hey pilots, welcome back for our final installment of Pete’s Tip of the Week for 2014! Tonight will be a night of celebration and we hope you all ring in the New Year with friends, family, loved ones, and possibly a new build project! Today’s tip will be dealing with cowl ventilation and will hopefully help give you the extra edge with that next build! Even if you don’t own an Aerobeez plane or have yet to take the first step into becoming an RC pilot, we want to help you improve your model building, set-up, and eventually flying skills.

So without further ado, today’s tip : Cowl Ventilation

When adding the finishing touches to a cowl, most will cut out the area required for the muffler and exhaust. This is fairly standard, but many miss the extra step of adding ventilation holes for the motor. Some models come with holes already cut, but if they do not or have not added enough, it is a good habit to get into adding your own. The rear of the cowling should get cut for proper air ventilation to the engine.  Holes can be added to the sides or to the bottom near the back to allow the ventilation to pass through the nose past the engine and then down and out the sides or bottom. We prefer the bottom as there is more surface area to create a proper sized exit hole in the cowling.


Thank you as always for reading Pete’s Tip of the Week and check back for more each week!

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Now go enjoy your building and flying and have a Happy New Year!

Your Hobby, Our Passion!


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