3 ms·
> eliminates the risk of turning passing birds into chop suey. To be fair, it's a lot easier to put a debris (including birds) filter in front of a ducted fan
by larkeith 7y ago
> eliminates the risk of turning passing birds into chop suey.
To be fair, it's a lot easier to put a debris (including birds) filter in front of a ducted fan than a prop.
- mannykannot 7y agoThere are efficiency issues, and it is not often done. It is hard to tell, but it does not seem to have been done here.