[AR] Re: Igniter Popping Sound
- From: Rick Dickinson <rtd@xxxxxxxxxxxx>
- To: arocket@xxxxxxxxxxxxx
- Date: Fri, 31 Oct 2014 10:09:13 -0700
Ah, ok. I thought you were talking fuel: oxidizer. Makes much more sense now.
Thanks for clearing up my confusion.
Cheers,
Rick Dickinson
On October 31, 2014 9:58:42 AM PDT, Graham Sortino
<dmarc-noreply@xxxxxxxxxxxxx> wrote:
>I always get confused by the terminology lean and rich... So when I
>say 1.3:1 I'm referring to the O/F ratio. In other words 1.3 times more
>oxidizer mass flow then fuel. If I run the main engine at about 1:1 O/F
>then the hot gas temp will be somewhat lower.
>
>
>On Friday, October 31, 2014 12:43 PM, Rick Dickinson <rtd@xxxxxxxxxxxx>
>wrote:
>
>
>Wouldn't running the main engine leaner (1:1 instead of 1.3:1) result
>in more heat, not less? I thought running fuel rich was a way to reduce
>temperatures, not the other way around.
>
>Cheers,
>
>Rick Dickinson
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