Ron,

 

ATC may ask, but the pilot is flying the plane.  Going faster requires a larger turn radius.  Close in patterns and tight turns are for Cubs, 172s, etc. - not Lancairs.  When LOBO says "knowledge of Lancairs is crucial to flight safety," that includes ATC.

 

With respect to your airport altitude limitations, how do the jets handle it?

 

Grayhawk

 

Hi John

This is a nice idea about the 1500ft and the rounded arc approach, however
the Tower will not always agree with you, so I imagine you will have to
call 'unable' a lot. (Tight Pattern, Squared Pattern are calls that I have
heard many times from the tower), is it not then wiser just to go a bit
faster?

And just for fun.....1500ft pattern would not be possible where I live,
our airport (7FL6) is right under Daytona Beach (KDAB) where our ceiling
is at 1200ft.

-- Ronald

On 6/29/11 1:14 PM, "John Hafen" <j.hafen@comcast.net> wrote:

>Giff:
>
>Good moves all.
>
>Additionally, I think in the early days, guys didn't consciously realize
>how much AOA increases with bank angle.  Flying square corners in a
>pattern, especially in the base to final turn, can stall the plane way
>too close to the ground to do anything about it.
>
>That is why HPAT recommends flying a 1500 foot pattern, and a roundish
>arc from down wind to final, rather than square corners from down wind to
>base, then base to final.
>
>John Hafen
>
>
>On Jun 29, 2011, at 8:26 AM, Giffen Marr wrote:
>
>Before I started to build my IV-P, I reviewed the accident history of the
>IV.What I found was a significant number of stall spin accidents in the
>IV. Why a higher rate then other aircraft? From my analysis, I felt there
>were two reasons, one,the aircraft tended to have an aft CG, and two, the
>tail became blanketed in the spin, causing difficulty in recovery. My
>un-flown solution was to move as much weight forward as I could, add
>stall strips, add the ventral fin and add about 48 square inches of area
>to the rudder trailing edge. You must also remember that when you retract
>the gear, the cg moves aft about 2 inches. With an aft CG, the aircraft
>will tend to go flat in the spin, which makes recovery difficult.
>
>Giff Marr
>N229GM
>1st engine run before AirVenture.
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