pipe tuning vs nitro

rcaerobob at cox.net rcaerobob at cox.net
Fri Jun 4 06:57:30 AKDT 2004


Add pitch.

Bob P.
> 
> From: "Anthony Romano" <anthonyr105 at hotmail.com>
> Date: 2004/06/04 Fri AM 10:42:51 EDT
> To: discussion at nsrca.org
> Subject: RE: pipe tuning vs nitro
> 
> 
> 
> 
> >From: "Dean Pappas" <d.pappas at kodeos.com>
> >Reply-To: discussion at nsrca.org
> >To: <discussion at nsrca.org>
> >Subject: RE: pipe tuning vs nitro
> >Date: Fri, 4 Jun 2004 10:13:11 -0400
> >
> >Hey Anthony,
> >More nitro widens the pipe length sweet spot. Add some nitro and see if you 
> >can shorten pipe.
> 
> <<<<<    Now I am confused. I am running a little longer to smooth the 
> response at the cost of power. I was thinking of adding nitro to give back 
> the power. If I shorten the pipe and add nitro will I have to "prepare for 
> ludicrous speed"? Or will the nitro help my engines manners?
> 7800 is not bad but after flying the shorter setting it is disappointing. 
> The main factor is the lost of level speed especially in the wind we have 
> had lately. Kept wanting to push the stick farther forward last night.
> 
> Anthony
> 
> 
> 
> 
> 
> >If you're turning the 15-3/4 X 11 at 7,800 then I'll bet you have no 
> >"limiting" problem.
> >Did you really loose vertical horsepower or just a little bit of 
> >level-flight speed?
> >Dean
> >
> >
> >-----Original Message-----
> >From: Anthony Romano [mailto:anthonyr105 at hotmail.com]
> >Sent: Friday, June 04, 2004 9:53 AM
> >To: discussion at nsrca.org
> >Subject: pipe tuning vs nitro
> >
> >
> >
> >I have been trying to wrestle with a compromise. My current setup is OS rx
> >with the little ES pipe and Mac header set to 25" from plug to baffle. This
> >yeilds 8000 rpm on 15.75*11*3 on 20% S&W. The power is great but there is
> >some spooling issues on down lines and a gurgle on lower throttle settings.
> >Lengthening the pipe a half inch improved the manners of the setup but cost
> >me 200 ground rpm but in the air it feels restrained. Which of course I
> >hate. Am I drunk with horsepower or should I try more nitro to get the best
> >of both worlds? Will 25% give me what I want? What are most peoples setups?
> >Dean and Dave are you out there?
> >
> >TIA
> >
> >Anthony
> >
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> 

Bob Pastorello, El Reno, OK, USA
rcaerobob at cox.net
www.rcaerobats.net

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