REFLECTOR: Speed brake usage question
Scott Derrick
scott at tnstaafl.net
Mon Nov 8 11:45:19 CST 2004
I wonder what the factory says about increasing the extension speed to 160
kias??? Is it really strong enough for continuos usage at that speed?
That would make the brake a much more versatile tool.
My fear is it eventually coming off, right into the prop!
Scott
At 07:44 AM 11/8/2004, you wrote:
>Dave,
>
>I've already done the test for you. One time at 160 IAS I hit a good
>bump that bumped my head on the ceiling. My shin bumped several toggle
>switches located at the bottom of the panel (not the best place for the
>switches), including the speed brake switch. At first I couldn't figure
>out why I lost 25kn of airspeed until I saw a few indicator lights on.
>The brake still works fine with no damage.
>
>John
>SGRE
>
>David Scharfenberg wrote:
>
> > The maximum airspeed for speed brake extension is 110, which is less
> > than the gear speed. On other planes I fly, the speed brakes can be
> > deployed at any speed. This helps on a quick decent and helps bleed
> > off speed for gear extension. I have been wondering if the airspeed
> > for partial speed brake extension would be more than the current 110
> > limit. This would make the speed brake more useful. Of course I know
> > who sets the actual limit on my plane, but don't really want damage
> > it doing the airspeed tests.
> >
> >
> > Dave Scharfenberg
> > std/RG
>
>
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