X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [66.219.56.245] (HELO mail.qnsi.net) by logan.com (CommuniGate Pro SMTP 5.4.1) with ESMTP id 5113015 for flyrotary@lancaironline.net; Sat, 03 Sep 2011 18:52:10 -0400 Received-SPF: none receiver=logan.com; client-ip=66.219.56.245; envelope-from=bhughes@qnsi.net Received: from 10.0.0.5 ([10.0.0.5]) by qnsi-mail.qnsi.net ([10.0.0.5]) with Microsoft Exchange Server HTTP-DAV ; Sat, 3 Sep 2011 23:52:54 +0000 Subject: Re: [FlyRotary] Re: 20B Tuning References: From: "Bobby J. Hughes" Content-Type: multipart/alternative; boundary="Apple-Mail-11--371836297"; charset="iso-8859-1" In-Reply-To: Message-ID: Date: Sat, 3 Sep 2011 17:51:36 -0500 To: "Rotary motors in aircraft" Content-Transfer-Encoding: 7bit thread-topic: [FlyRotary] Re: 20B Tuning MIME-Version: 1.0 (iPad Mail 8J2) thread-index: AcxqlJj0s3JtYMqmTV2KnQwHn9Jf5Q== --Apple-Mail-11--371836297 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii If it's adjustable you may need more pitch. A 2150 rpm limit seem very low. = Bobby Sent from my iPad On Sep 3, 2011, at 5:57 PM, "coastiefamily4" wrot= e: > This is not full throttle, I have to stop at 6000 RPMs do to the 2150 RPM l= imit on my prop. I am using a VARI PROP, it is great so far. I have plenty= of throttle, just prop limited.=20 >=20 > On Sat, Sep 3, 2011 at 3:44 PM, William Wilson wro= te: > 23.3 is just about exactly what would be expected. >=20 > Perhaps the throttle is not opening all the way? You would have to have a= pretty convoluted intake to lose 3" of pressure in it. >=20 >=20 > On Sat, Sep 3, 2011 at 3:40 PM, wrote: > At what density altitude was that measured? Maybe your MAP needs to be cal= ibrated. > =20 > Brian Trubee >=20 >=20 >=20 > -----Original Message----- > From: coastiefamily4 > To: Rotary motors in aircraft > Sent: Sat, Sep 3, 2011 1:50 pm > Subject: [FlyRotary] 20B Tuning >=20 > My static MAP before starting the engine was 23.3=20 >=20 >=20 --Apple-Mail-11--371836297 Content-Transfer-Encoding: 7bit Content-Type: text/html; charset=utf-8
If it's adjustable you may need more pitch. A 2150 rpm limit seem very low.    Bobby


Sent from my iPad

On Sep 3, 2011, at 5:57 PM, "coastiefamily4" <coastiefamily4@gmail.com> wrote:

This is not full throttle, I have to stop at 6000 RPMs do to the 2150 RPM limit on my prop. I am using a VARI PROP, it is great so far.   I have plenty of throttle, just prop limited.

On Sat, Sep 3, 2011 at 3:44 PM, William Wilson <fluffysheap@gmail.com> wrote:
23.3 is just about exactly what would be expected.

Perhaps the throttle is not opening all the way?  You would have to have a pretty convoluted intake to lose 3" of pressure in it.


On Sat, Sep 3, 2011 at 3:40 PM, <bktrub@aol.com> wrote:
At what density altitude was that measured? Maybe your MAP needs to be calibrated.
 
Brian Trubee



-----Original Message-----
From: coastiefamily4 <coastiefamily4@gmail.com>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Sent: Sat, Sep 3, 2011 1:50 pm
Subject: [FlyRotary] 20B Tuning

My static MAP before starting the engine was 23.3


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