Re: Europa-List: Re: Contact detail & Help

[Frans Veldman <frans@privatepilots.nl>]

On 06/26/2012 11:39 PM, Karl Heindl wrote:

> It (the prop) makes a very nice low frequency sound when you listen to
> it from outside the aircraft.

If I test run the engine the neighbours complain that they don't hear
the engine at all, but their windows start rattling in their frames. ;-)
Indeed a very low frequency tone!

Frans