Ed / Jerry,

I stand corrected.  Let me say that 'the 13b power I see being achieved so far in NA 13b airplane installations seem to be less than what O-360 guys are getting'.    After mounting props was anybody able to attain even 6000 rpm in their 13b NA aircraft installation, level-flight?

 

Tom 

Jerry Hey <jerryhey@earthlink.net> wrote:

I assume you are talking about a 6000 rpm limited rotary vs a wide open
0-360. Run the rotary faster and thats the end of the story. Jerry

 Ed Anderson wrote:
> Tom, 
> I don't really think anyone can accurately make a generalization like
> that. 

 

> From: Tom
> It's my understanding that NA non-renesis rotary installations
> produce less power than 360s, Perry Mick might have a word on this.

 

> Eric Ruttan wrote:
> A 360 Lyc does not produce the same power as a rotary.
> If true, then the Ellison card may not get enough air.
> If not true, then there is no real reason why the Ellison cannot feed a
> rotary.
>
> Ed, I understand your math, but even if the local inlet velocity is much
> higher, we dont care. the velocities adverage out to the same, as the
> volume of air = velocity * carb area.
>
> If the velocities are higher, the rotary consumes more air, and makes
> more power.
>

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