Eeek! Particularly at night, I should think!
Chris
> On 26 Nov 2019, at 22:13, Chris Trask <christrask@xxxxxxxxxxxxx> wrote:
>
> The Allison engines in the C-130E/H had an interesting failure. One or more
> compressor disks would separate from the shaft, resulting in flames shooting
> out the inlet. It didn't happen very often, but when it did it would scare
> the living daylights out of everyone.
>
>>
>> Yes, a fault in the engine that spoiled the flow might cause a stall and
>> surge.
>>
>> In aircraft that I’ve flown there were built-in faults which meant that
>> you avoided the regime of risk – airspeed, altitude, rate of throttle
>> movement. The horrible Pratt and Whitney in come models of F16 had
>> limitations like that, but that came with the mechanical controls. The
>> later engines with digital control were much more pilot-friendly.
>>
>> The Adour engine in the Jaguar would surge if you tried to light the
>> burner above about 15,000ft; the RB199 in the Tornado would give you
>> similar bangs but it normally meant that something had gone wrong with
>> the bits inside, like a vapourised turbine blade :-)
--
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