boot cowl tunnel overlap

[arborite]

Fitting the boot cowl pieces that were pre drilled from the factory now. fit is really good but i’m not clear on how to overlap the steel tunnel piece with the aluminum cover behind it. The way the part is made, it wants the tunnel piece to be above the aluminum cover, but we are thinking the better way for an airflow and exhaust ingress POV is to have the tunnel overlap the cover below. i have assembled it both ways and each has its issues.

the photos show my preferred overlap, but as you see, the fit of the side cowl pieces has a discontinuity that would be much better if i overlapped the other way. what are kit builders doing here? my preference is to go with it as pictured and rework the tunnel step to align the parts better.

thanks
IMG_1059.jpg IMG_1058.jpg

[Ryan Koeneke]

https://bearhawkforums.com/forum/model-specific-qb-kit-built/bearhawk-five-quickbuild/86890-boot-cowl-extension-positioning

I had the same questions. Maybe the thread above will help.

[arborite]

thanks for that link. i should have researched more. my tunnel holds the extension up about 1/4”. I’m considering how to reduce that a. it and will fill the rest.