REFLECTOR: Extreme Takeoff

John Abraham john at velocityaircraft.com
Fri Oct 19 09:18:01 CDT 2012


John

That is why the max demonstrated cross for the original system is 17kts. You don't have enough rudder without brakes being applied. The toe brakes max demonstrated is the pilot more than the aircraft. 

On Oct 19, 2012, at 9:47 AM, John Dibble <aminetech at bluefrog.com> wrote:

> Original.
> 
> On 10/19/2012 8:40 AM, John Abraham wrote:
>> John
>> 
>> What pedal system do you have?  Original or tow brakes?
>> 
>> On Oct 19, 2012, at 9:28 AM, John Dibble <aminetech at bluefrog.com> wrote:
>> 
>>> Yesterday I flew from KS (MPR) to MS (5R2).  I delayed this flight from the previous day to avoid strong headwinds and weather and for the advantage of a strong tailwind yesterday.  There was a 25 kn crosswind at MPR.  While taxiing, the plane kept turning toward the wind.  That was the first time that has happened and my first time taking off in a very stong crosswind.  With my IVO set for 2600 rpm static, I had max accelerating capability to get airborne in as little time as possible.  During the takeoff roll I had to jab the downwind brake 2 times to keep it on the runway.  I was anxious to get off the ground and rotated asap.  Being in the air was definitely the lesser of 2 evils.  I think doing this with a FP prop would not be possible since the long time for t/o roll would require so much braking that the rotation speed could not be reached.  At 9500' I had tailwinds as high as 70kn.  The air was smooth as expected according to the winds aloft charts.
>>> I think I'll need to do something to increase oil temp for the winter.  Due to changes I've made over the past few years, my oil temp and chts have gone from high to low.  Yesterday at an OAT of 32F, my oil was 58C (with heat flap fully deployed).  chts 80-90C. I was comfortable wearing pants and long-sleeve shirt.  However bright sun at 12 o'clock provided some heat as well.  I think I need to partially block the cooler.  What have others done?  How much do you block?
>>> 
>>> John
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> 
> 
> 
> 
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