Maybe the guidance should be to increase rotation speed and climb speed to provide adequate margin for gusts and stall protection.  It sounds like 5 knots should do it?

On 2013-08-11, at 5:09 PM, F. Barry Knotts <bknotts884@earthlink.net> wrote:

> L-IV-P
>   Vs = 80 KIAS, Vso = 71 KIAS.  (Measured by professional test pilot!)  No data on partial flaps.
>
> Barry Knotts
>
> On 8/10/2013 12:02 AM, Paul Miller wrote:
>> Does anyone have the stall speeds for IV: flaps up versus takeoff flaps?
>>