Monday, April 18, 2022

More Lower Cowl Modifications

 With the openings for the Oil Cooler and Radiator set we set out to make the openings a little more pleasing to the eye and a little more aerodynamic.  A mixture of epoxy, flock, and microbeads was added around the two openings and allowed to cure.  Using a 1/4" round over bit and a router the edges of the openings were eased over, giving a nice pleasing look.  

Oil Cooler and Radiator Openings with round over

Angled view of the addition

We also determined that we wanted to close up the cowl openings on either side of the propeller.  After much discussion we decided that just closing off the bottom cowl opening (ala Steve Henry and others) would be the easiest and quickest way to achieve this.  We bought some 2 part expanding foam and after taping off the area we wanted to fill the foam was mixed and poured into the area.  Now we've got to shape the foam so we can add some fiberglass fabric to finish the opening close-out.

Expanding foam added to cowl openings
Hours: 10


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