REFLECTOR: Aerodynamic trim

[John Dibble]

Dave,

I had the same problem with my SERG.  I reversed the strainer and now I can descend at
200 kn/1000 fpm and still have more trim available.  Reversing the strainer is a lot
easier than changing the trim spring.

John

Dave Philipsen wrote:

> Just a question for anyone that is currently flying with the "sparrow
> strainer".  I have one of these on my canard and, since I'm a new owner,
> I'm just getting used to some of the quirks.  I was flying home
> cross-country this evening and noticed that as I started my descent from
> 5500 feet to my home airport, I could only get about a 300-400 fpm
> descent with the trim max'd out all the way down.  As the airspeed
> started to build up in the descent, the "sparrow" evidently became more
> effective and I actually lost all of the available pitch down trim that
> I had started with.  So, I had to hold the stick forward with a fair
> amount of pressure to maintain a 500-600 fpm descent.   As I slowed down
> entering the pattern, the pitch down became effective once again.
>
> Should I experiment with trying to effectively disable maybe 50% of that
> "sparrow" airfoil and see what happens?  Has anyone else had the same
> experience?
>
> --
> Dave Philipsen
> STDFG
> N171SP
>
> soon-to-be N83DP
>
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