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V Speeds

 
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cygan(at)optusnet.com.au
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PostPosted: Wed Jan 17, 2007 12:11 pm    Post subject: V Speeds Reply with quote

G’Day from Australia

Does anyone know where I can find or have a list of the
following V Speeds for the Series 5 Outback Kitfox.
I have to complete my FlightManual, Va, Vfe, Vne, Vno,
Vs, Vso, Vx, Vy. Also, any additional information you
folks have developed would be appreciated.

Thanks for any information you are able to forward.

Cheers.

Cy
Series 5
Jabiru 3300

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smokey_bear_40220(at)yaho
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PostPosted: Wed Jan 17, 2007 2:01 pm    Post subject: V Speeds Reply with quote

Hi Cy,

I also have the S-5. I think you are supposed to test
for most speeds and fill out the Flight manual during
your flight testing phase. Results may vary.

You probably use kph? I don't have that handy so
you'll have to convert.

Only a few are common limits:

Vne is 122 knots.

Vfe is 70 knots.

The following were tested for:

My clean stalls were 40-45 knots depending on weight.

My dirty stalls were 35-40 knots, again weight
dependent.

I did get down to 30 knots power on for one stall, but
that is not a V speed, as far as I know.

Max roc was about 58 knots with little change in
weight. The roc did change a lot (nearly 30%) if I
was off even 2 knots. The climb curve was very
pointed. This may not be so critical after I add all
the drag reduction devices. Yours may also be less
critical.

Max aoc was only 2 knots slower than max roc.

Normal operating speed depends upon your engine and
the fuel burn you are happy with, as much as anything.
I use 80 to 95 knots as my range. I could last a
long time at 60 knots.... The difference in fuel burn
was LARGE! Again this is before adding any drag
reduction. I wanted to see what each anti-drag item
did for me by testing them seperately. Not done with
that yet.

Hope these help,

Kurt S.

--- cy <cygan(at)optusnet.com.au> wrote:

Quote:
G'Day from Australia

Quote:
Does anyone know where I can find or have a list of
the following V Speeds for the Series 5 Outback
Kitfox.

Quote:
I have to complete my FlightManual, Va, Vfe, Vne,
Vno, Vs, Vso, Vx, Vy. Also, any additional
information you folks have developed would be
appreciated.

Quote:
Thanks for any information you are able to forward.

Quote:
Cheers.

Quote:
Cy

Series 5

Jabiru 3300



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