X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from nskntmtas01p.mx.bigpond.com ([61.9.168.137] verified) by logan.com (CommuniGate Pro SMTP 6.0c1) with ESMTP id 5729904 for flyrotary@lancaironline.net; Mon, 27 Aug 2012 01:44:48 -0400 Received-SPF: pass receiver=logan.com; client-ip=61.9.168.137; envelope-from=neil.unger@bigpond.com Received: from nskntcmgw09p ([61.9.169.169]) by nskntmtas01p.mx.bigpond.com with ESMTP id <20120827054411.QWWD25972.nskntmtas01p.mx.bigpond.com@nskntcmgw09p> for ; Mon, 27 Aug 2012 05:44:11 +0000 Received: from UserPC ([58.169.230.86]) by nskntcmgw09p with BigPond Outbound id rhk71j00V1sVo6J01hk84K; Mon, 27 Aug 2012 05:44:11 +0000 X-Authority-Analysis: v=2.0 cv=YdE/Fntf c=1 sm=1 a=bB0BC6tX4i5Nkpk35TCGgg==:17 a=pavx0Go1UGgA:10 a=JDadKst33uMA:10 a=ot0gUG65oqYA:10 a=1IlZJK9HAAAA:8 a=iEacNBBhL3SxDLCFk2kA:9 a=QEXdDO2ut3YA:10 a=Z1BvOZmT1TIA:10 a=pGLkceISAAAA:8 a=Ia-xEzejAAAA:8 a=ourOgzT2z4RbJK73QhQA:9 a=_W_S_7VecoQA:10 a=MSl-tDqOz04A:10 a=EzXvWhQp4_cA:10 a=bB0BC6tX4i5Nkpk35TCGgg==:117 Message-ID: From: "Neil Unger" To: "Rotary motors in aircraft" References: In-Reply-To: Subject: Re: [FlyRotary] Re: Prop revs Date: Mon, 27 Aug 2012 15:44:04 +1000 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0011_01CD846A.C9B87040" X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 15.4.3555.308 X-MimeOLE: Produced By Microsoft MimeOLE V15.4.3555.308 This is a multi-part message in MIME format. ------=_NextPart_000_0011_01CD846A.C9B87040 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Tracy, Not sure how your monitor counts, but changed the scale = factor from 1 (standard) to .265 as suggested (divided 1 by 3.78) and = now at 2000rpm I am getting a reading of 0.5 gal PH which should be = litres!! Sure makes it economical! Seems like I should multiply by = 3.78 as that would seem more like it. What do you think ? Neil. From: Tracy=20 Sent: Friday, August 24, 2012 11:37 AM To: Rotary motors in aircraft=20 Subject: [FlyRotary] Re: Prop revs I'd start by dividing the current scale factor of FF channel by 3.75 , = plug that value in there and see if it looks right. I'll try it on the = bench when I get a chance. Tracy Sent from my iPad On Aug 23, 2012, at 5:30 PM, "Neil Unger" = wrote: Tracy, Prop is a prince P tip, 70=E2=80=9D dia by 90=E2=80=9D = pitch. Any suggestions as to what numbers I can alter to convert US = gal. to litres? Somehow I have to get the readings up 3.75 to get = litres. Neil. From: Tracy=20 Sent: Tuesday, August 21, 2012 10:17 PM To: Rotary motors in aircraft=20 Subject: [FlyRotary] Re: Prop revs ONLY? 6300 is at the HIGH end of normal static. I would be more = concerned about over Reving at top speed if this were a 200+ MPH plane. = It will probably be about right for the glastar though. =20 Be happy, celebrate! BTW, what are the numbers on that prop? L x P? Tracy Sent from my iPad On Aug 20, 2012, at 9:48 PM, "Neil Unger" = wrote: All, Looks like I am finally connected after many attempts.. I = have a P ported renesis in a glastar that is ready to fly. Tuning the = motor yesterday to find that I cannot get the motor revs over 6300. I = suspected the prop (prince fixed) is too big, but am assured that that = is normal as a static load. Lonnie suggests that once moving the extra = revs will appear. How do I tune the motor for the top end revs? Any = advice? Neil. ------=_NextPart_000_0011_01CD846A.C9B87040 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Tracy,
            = Not sure=20 how your monitor counts, but changed the scale factor from 1 (standard) = to .265=20 as suggested  (divided 1 by 3.78) and now at 2000rpm I am getting a = reading=20 of 0.5 gal PH which should be litres!!  Sure makes it=20 economical!    Seems like I should multiply by 3.78 as = that would=20 seem more like it.  What do you think ?  Neil.
 
From: Tracy
Sent: Friday, August 24, 2012 11:37 AM
Subject: [FlyRotary] Re: Prop revs
 
I'd start by dividing the current scale factor of FF channel by = 3.75 , plug=20 that value in there and see if it looks right. I'll try it on the bench = when I=20 get a chance.
 
Tracy

Sent from my iPad

On Aug 23, 2012, at 5:30 PM, "Neil Unger" <neil.unger@bigpond.com>=20 wrote:

Tracy,
=
           &n= bsp;=20 Prop is a prince P tip,  70=E2=80=9D dia by 90=E2=80=9D = pitch.   Any=20 suggestions as to what numbers I can alter to convert US gal. to = litres? =20 Somehow I have to get the readings up 3.75 to get = litres.   =20 Neil.
 
From: Tracy
Sent: Tuesday, August 21, 2012 10:17 PM
Subject: [FlyRotary] Re: Prop revs
 
ONLY?   6300 is at the HIGH end of normal static.  = I would=20 be more concerned about over Reving at top speed if this were a 200+ = MPH=20 plane.   It will probably be about right for the glastar=20 though.  
 
Be happy, celebrate!   BTW, what are the numbers on = that=20 prop?  L x P?
 
Tracy

Sent from my iPad

On Aug 20, 2012, at 9:48 PM, "Neil Unger" <neil.unger@bigpond.com>=20 wrote:

All,
       Looks like I am finally = connected=20 after many attempts..  I have a P ported renesis in a glastar = that is=20 ready to fly.  Tuning the motor yesterday to find that I cannot = get the=20 motor revs over 6300.  I suspected the prop (prince fixed) is = too big,=20 but am assured that that is normal as a static load.  Lonnie = suggests=20 that once moving the extra revs will appear.  How do I tune the = motor=20 for the top end revs?  Any advice? =20 = Neil.
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