Originally Posted by
spekesoftly
I'm curious to understand the reason for the large bulge on the engine cowling? I've not noticed it on other Turbulents, nor on this aircraft since its rebuild.
Possibly clearance for the Distributor or carb intake?
see
http://www.oy-reg.dk/billeder/l12842.jpg
https://www.alamy.com/d31-druine-tur...224462386.html