American pilots call it “mil” power, Charlie: it’s maximum power before you
light the afterburner. The throttle quadrant is split into 3 or 4 parts: HP
cock off (engine shut down), idle to max dry (mil) and minimum to maximum
afterburner or reheat. The Tornado has a 4th sector called Combat power.
In the dry power section the conventional part of the jet engine functions with
the efflux providing thrust. But there is plenty of oxygen in the efflux and
that is used for afterburner (“after” meaning at the back rather than later) in
which guttering in the efflux sprays fuel which is lit to provide quite a bit
more thrust. Modern engines double the thrust with afterburner, but it uses
much more fuel. The EJ200 in the Typhoon has a massive amount of dry thrust,
capable of pushing the aircraft supersonic (“super cruise”).
Chris
On 25 Sep 2014, at 17:57, Charles Geilfuss <charles.geilfuss@xxxxxxxxx> wrote:
> What does that term mean, Chris, under "dry power"? That is unfamiliar to
> me.
>
> Charlie
>
> On Thu, Sep 25, 2014 at 12:40 PM, ChrisB <ftog@xxxxxxxxxxxxxx> wrote:
>
>> That’s a kind and comforting thought, Ian.
>>
>> I worked on the Eurofighter programme in the mid-90s and there were many
>> challenges to making the platform a success. But after being shown around
>> the machine (for the first time ever) by a young pilot, just out of the
>> conversion unit, I’m convinced that it’s a smashing and highly effective
>> multi-role fighter. It’s the first RAF fighter, that I know of, that can
>> takeoff safely in dry power (“mil”). I watched them do so before climbing
>> at very impressive angles.
>>
>> I saw one display at RIAT several years ago, but he very nearly died when
>> he performed a low-speed gear down barrel roll at low level. Only the
>> stupendous engines got him away from the ground safely.
>>
>> Chris
>>
>> On 25 Sep 2014, at 16:54, Ian Nichols <ian.a.nichols@xxxxxxxxx> wrote:
>>
>>> That's an interesting (and complimentary) variation on the old saw about
>>> those who can, doing and those who can't, teaching. Just because you
>> can't
>>> do it anymore doesn't mean you never could, and the youngsters can learn
>> a
>>> lot from your experience.
>>>
>>> Saw one of those displaying at Southport last Saturday. Pretty
>> impressive
>>> for height-limited display (it was rather murky).
>>
>> --
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