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Re: Another Airbus down ....

Brian Reay wrote:
> "Brian Morrison" <bdm@fenrir.org.uk> wrote in message
> news:20090701093949.3fe70761@peterson.fenrir.org.uk...
>> On Wed, 1 Jul 2009 06:49:41 +0100
>> "Brian Reay" <seewebsite@invalid.com> wrote:
>>
>>> "Brian Morrison" <bdm@fenrir.org.uk> wrote in message
>>> news:20090701001000.475fd295@peterson.fenrir.org.uk...
>>>> On Tue, 30 Jun 2009 23:56:17 +0100
>>>> Dave <davenpat@btopenworld.com> wrote:
>>>>
>>>>> Brian Morrison wrote:
>>>>>> On Tue, 30 Jun 2009 23:22:34 +0100
>>>>>> Walt Davidson <g3nyy@invalid.invalid> wrote:
>>>>>>
>>>>>>> overran the runway after aborting the takeoff well above
rotation
>>>>>>> speed.
>>>>>> That's what V1 is for, any problem at or above that speed and
you
>>>>>> take
>>>>>> the problem into the air.
>>>>> So what is V2 about then?
>>>> Minimum safe speed after rotation to maintain a positive climb rate,
>>>> see here:
>>>>
>>>> http://en.wikipedia.org/wiki/V_speeds
>>>>
>>> V1  relates to "stopping distance", not ability to
"fly".
>>>
>>> Read your own reference.
>> Er, where did I say that V1 related to flying?
>
> Think about it. You get to V1, so don't have the runway to stop but can't
> make V2, you are not  going to be flying anywhere.
> I agree that, once pass V1 and V2 you would take off but only if you make
> V2. In essence V1 is the last point were is it safe to abort intentionally.
> If you go through V1 and don't make V2, you will end up in the gravel at the
> end of the runway. The choice is to do so while rolling and braking or, if
> you have managed to "get off" but not maintain flight, "drop
in".
>
> --
> 73
> Brian G8OSN/W8OSN
> www.g8osn.org.uk
>
>
>
>
>
>

You've misunderstood the point - once you've made it to V1 - you take
off, no matter what. Unless you reach Vr, and it fails to rotate... in
which case the technical term is "f***ed".

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