OSNews thread here degenerates into GC vs not

[John Reimer]

On Mon, 20 Nov 2006 15:54:18 -0800, Walter Bright  
<newshound at digitalmars.com> wrote:

> Georg Wrede wrote:
>> As just seen, much is discussed about the D GC.
>>  It seems to be like the rotary engine: anybody who looks at the  
>> blueprints says this simply can't work, and it still does. And pretty  
>> well too, in fact.
>
> I always look at the schematic for a jet engine, and listen to the  
> explanations for how it works. I never bought the explanations, to me it  
> just looks like it isn't going to work. It looks like the flame will  
> blow forwards just as much as blow backwards, and there will be no net  
> thrust.
>
> I finally took a course in college on jet engine cycle analysis, and  
> found out the reason the flame doesn't blow forward is the compressor  
> produces enough pressure to prevent it. That's why in order to start a  
> jet engine, you have to spool up the compressor first with some external  
> power source. A jet engine "compressor stall" happens when not enough  
> air is coming in the inlet to block the flame from coming forwards, and  
> the flame blows forward, stopping the engine.
>

Hmmm... is that what a flame-out is?  I was reading up a little about  
Helicopter turbines. Some similarities here.

-JJR