[NSRCA-discussion] Pipe Length for 18.1
Ed Alt
ed_alt at hotmail.com
Wed Nov 29 10:39:04 AKST 2006
Don't furget the critter angle Rick!
----- Original Message -----
From: Rick Wallace
To: nsrca-discussion at lists.nsrca.org
Sent: Wednesday, November 29, 2006 1:52 PM
Subject: Re: [NSRCA-discussion] Pipe Length for 18.1
trust some guys to bring engineers and floor space into it!
------------------------------------------------------------------------------
From: "Ed Alt" <ed_alt at hotmail.com>
Reply-To: NSRCA Mailing List <nsrca-discussion at lists.nsrca.org>
To: "NSRCA Mailing List" <nsrca-discussion at lists.nsrca.org>
Subject: Re: [NSRCA-discussion] Pipe Length for 18.1
Date: Wed, 29 Nov 2006 13:29:41 -0500
>Dean:
>
>If memory serves correctly, a cubit is the unit of measurement used by
>facilities management to figure out how many engineers they can cram into
>the space not occupied by executive offices and conference rooms.
>
>It's either that or a Cuban bunny rabbit. I can't remember which.
>
>Ed
>
>----- Original Message -----
>From: "Dean Pappas" <d.pappas at kodeos.com>
>To: "NSRCA Mailing List" <nsrca-discussion at lists.nsrca.org>
>Sent: Wednesday, November 29, 2006 9:57 AM
>Subject: Re: [NSRCA-discussion] Pipe Length for 18.1
>
> >I just realized, that qoute is probably more like "Riiiiight! What's a
> >cubit?"
> >
> > Dean Pappas
> > Sr. Design Engineer
> > Kodeos Communications
> > 111 Corporate Blvd.
> > South Plainfield, N.J. 07080
> > (908) 222-7817 phone
> > (908) 222-2392 fax
> > d.pappas at kodeos.com
> >
> >
> > -----Original Message-----
> > From: nsrca-discussion-bounces at lists.nsrca.org
> > [mailto:nsrca-discussion-bounces at lists.nsrca.org]On Behalf Of Dean
> > Pappas
> > Sent: Wednesday, November 29, 2006 9:55 AM
> > To: NSRCA Mailing List
> > Subject: Re: [NSRCA-discussion] Pipe Length for 18.1
> >
> >
> >
> > Hi Anthony,
> > Yes! The pipe length specified in cubits ..." What's a cubit?" "Let's see,
> > I used to know what a cubit was."
> > The stock OS header plus a Hattori 900 pipe yields 24" to the baffle.
> > (1.33 cubits)
> > This is where I run my pipe length, using a Bolly 140 EQ, but I use a
> > throttle-coupled
> > mixture control needle valve to fix the fuel metering for the prop I use.
> > I also run rather rich with two glo-plugs and only one head gasket, which
> > already helps with the mid-range richness.
> > For must of us running two head gaskets, to stop the pinging, pipe lengths
> > maybe 25" to 26" are more appropriate.
> > If I understand Mike, he runs at close to 25".
> >
> > later,
> > Dean
> >
> >
> > Dean Pappas
> > Sr. Design Engineer
> > Kodeos Communications
> > 111 Corporate Blvd.
> > South Plainfield, N.J. 07080
> > (908) 222-7817 phone
> > (908) 222-2392 fax
> > d.pappas at kodeos.com
> >
> >
> > -----Original Message-----
> > From: nsrca-discussion-bounces at lists.nsrca.org
> > [mailto:nsrca-discussion-bounces at lists.nsrca.org]On Behalf Of Anthony
> > Romano
> > Sent: Wednesday, November 29, 2006 9:16 AM
> > To: nsrca-discussion at lists.nsrca.org
> > Subject: [NSRCA-discussion] Pipe Length for 18.1
> >
> >
> >
> > Interesting comments will have to give on of these a try. I like to have
> > more speed available so the 18.1 X 10.1 sounds more appropriate than the
> > W. Am I correct on this?
> > Does anyone have a pipe length glow plug to baffle since I cut my headers?
> > Inches, MM, cubits, etc.
> >
> > Anthony
> >
> >>From: "Dave Smith" <davidsmith at ns.sympatico.ca>
> >>Reply-To: NSRCA Mailing List <nsrca-discussion at lists.nsrca.org>
> >>To: "NSRCA Mailing List" <nsrca-discussion at lists.nsrca.org>
> >>Subject: Re: [NSRCA-discussion] Pipe Length
> >>Date: Tue, 28 Nov 2006 18:00:17 -0400
> >>
> >>Thanks Mike. I ran this prop for a few flights on the same pipe setting
> >>as
> >>I used for a 16x12.5 wide APC,and 15% Cool Power. It would turn about
> >>7400,but I backed off the needle so that it barely touched 7200. It
> >>pulled
> >>a 10.75 lb.
> >>Brio surprisingly well but certainly not well enough on verticals.
> >>My mistake in misnaming the fuel I intend to use.
> >>
> >>Thanks again
> >>
> >>Dave
> >> ----- Original Message -----
> >> From: Dr. Mike Harrison
> >> To: NSRCA Mailing List
> >> Sent: Tuesday, November 28, 2006 5:38 PM
> >> Subject: Re: [NSRCA-discussion] Pipe Length
> >>
> >>
> >> One more thing, the Cool Power is 20% Problend.
> >> Mike
> >> ----- Original Message -----
> >> From: Dave Smith
> >> To: NSRCA Mailing List
> >> Sent: Tuesday, November 28, 2006 2:46 PM
> >> Subject: [NSRCA-discussion] Pipe Length
> >>
> >>
> >> What would be a good starting point to set an ES tuned pipe,Model 2C
> >>140MU on an OS 140 RX,(w/extra head shim and OS "F" plug),running on Cool
> >>Power 20/20?
> >>
> >> Prop is APC 18.1x10.1W.
> >>
> >> Thans,Dave NSRCA #943
> >>
> >>
> >>----------------------------------------------------------------------------
> >>
> >>
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> >> NSRCA-discussion at lists.nsrca.org
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> >>
> >>
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