X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from nskntmtas03p.mx.bigpond.com ([61.9.168.143] verified) by logan.com (CommuniGate Pro SMTP 6.0.7) with ESMTP id 6634050 for flyrotary@lancaironline.net; Tue, 10 Dec 2013 19:28:34 -0500 Received-SPF: pass receiver=logan.com; client-ip=61.9.168.143; envelope-from=neil.unger@bigpond.com Received: from nskntcmgw08p ([61.9.169.168]) by nskntmtas03p.mx.bigpond.com with ESMTP id <20131211002757.YFJH2195.nskntmtas03p.mx.bigpond.com@nskntcmgw08p> for ; Wed, 11 Dec 2013 00:27:57 +0000 Received: from UserPC ([58.165.182.218]) by nskntcmgw08p with BigPond Outbound id 00Tt1n00f4j7ybe010TuK1; Wed, 11 Dec 2013 00:27:57 +0000 X-Authority-Analysis: v=2.0 cv=b8MwE66x c=1 sm=1 a=LWF+BP5byNrwX/MYc5e0qg==:17 a=aAF-ERx40m4A:10 a=JDadKst33uMA:10 a=1IlZJK9HAAAA:8 a=1i3qIJHpN6YA:10 a=pedpZTtsAAAA:8 a=Ia-xEzejAAAA:8 a=3oc9M9_CAAAA:8 a=N8B9JuSIAAAA:8 a=YF9ums_qSksKB0S3Y_UA:9 a=QEXdDO2ut3YA:10 a=Z1BvOZmT1TIA:10 a=eJojReuL3h0A:10 a=EzXvWhQp4_cA:10 a=U8Ie8EnqySEA:10 a=6skTL_1TTdvmiMzS:21 a=ZFM1QlMFFUQXt_eY:21 a=UKPAHat8AAAA:8 a=pGLkceISAAAA:8 a=dtp_ZfSvms-BYwj9DwoA:9 a=_W_S_7VecoQA:10 a=tXsnliwV7b4A:10 a=7god_763jbgA:10 a=MSl-tDqOz04A:10 a=LWF+BP5byNrwX/MYc5e0qg==:117 Message-ID: <190259D3B18F491DA3CBC531920827BB@UserPC> From: "Neil Unger" To: "Rotary motors in aircraft" References: In-Reply-To: Subject: Re: [FlyRotary] Re: 2 cycle premix Date: Wed, 11 Dec 2013 11:27:46 +1100 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0009_01CEF664.04172030" 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_0009_01CEF664.04172030 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Bobby, Do you know your prop size?? Neil. From: Bobby J. Hughes=20 Sent: Wednesday, December 11, 2013 11:23 AM To: Rotary motors in aircraft=20 Subject: [FlyRotary] Re: 2 cycle premix Neil My EGT is usually around 1660 at 38", 7100 rpm, 12.5 F/A. I have seen = one rotor go to 1700 with an injector imbalance too rich. One other time = with a fouled plug. I think fuel was burning in the exhaust manifold.=20 .80 oz per gallon.=20 Bobby Hughes Renesis =20 Sent from my iPad On Dec 10, 2013, at 6:10 PM, "Neil Unger" = wrote: All, finally flying again, but my prop is too big. It is a = 70=E2=80=9D dia by 90 inch pitch. Max revs on takeoff is about 6800 and = the EGT is pushing over the 1850 degrees. Obviously the prop is too big = as revs are restricted and the motor is working too hard hence the EGT. = What size props are you people running?? 2 rotor renesis. Neil. From: David Leonard=20 Sent: Thursday, August 08, 2013 7:12 AM To: Rotary motors in aircraft=20 Subject: [FlyRotary] Re: 2 cycle premix I use the same mix, but at closer to 1 oz/gal. Why? That is what = Tracy does. Dont think it is very critical over the short term. I have = gone without oil for a tank or two when I didn't plan well. I have also = put multi-weight aviation engine oil in (at .5 oz/gal) on one occasion = when I forgot to bring along any 2-stroke oil at all. Dave Leonard On Fri, Jul 26, 2013 at 11:39 AM, Bill Bradburry = wrote: I use the same mix as Dennis but at the rate of 3/4 oz/gal in = non-ethanol auto gas. My engine is a Renesis with 70 flight hours. Bill B -------------------------------------------------------------------------= --- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] = On Behalf Of Clouduster Sent: Friday, July 26, 2013 9:17 AM=20 To: Rotary motors in aircraft Subject: [FlyRotary] Re: 2 cycle premix=20 I use a 50 - 50 mix of MM and WalMart 2 stroke @ 0.50 oz/ gal. Mixed = in auto gas. My engine is a Renesis with 500 +hrs. Dennis H. Sent from my iPad On Jul 25, 2013, at 16:29, ARGOLDMAN@aol.com wrote: Greetings all, For those of you who are actually flying and have some time on = your rotaries and are using Pre-mix 2 cycle oil: 1) what oil are you using 2) why that brand 3) what ratios are you using 4 where is the best place to get it Thanks Rich --=20 David Leonard Turbo Rotary RV-6 N4VY http://N4VY.RotaryRoster.net http://RotaryRoster.net ------=_NextPart_000_0009_01CEF664.04172030 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable
Bobby,
           &n= bsp; Do=20 you know your prop size??  Neil.
 
Sent: Wednesday, December 11, 2013 11:23 AM
Subject: [FlyRotary] Re: 2 cycle premix
 
Neil
 
My EGT is usually around 1660 at 38", 7100 rpm, 12.5 F/A.  I = have seen=20 one rotor go to 1700 with an injector imbalance too rich. One other time = with a=20 fouled plug. I think fuel was burning in the exhaust manifold.
 
.80 oz per gallon.
 
Bobby Hughes
Renesis 
 


Sent from my iPad

On Dec 10, 2013, at 6:10 PM, "Neil Unger" <neil.unger@bigpond.com>=20 wrote:

All,
          finally = flying=20 again, but my prop is too big. It is a 70=E2=80=9D dia by 90 inch = pitch.  Max=20 revs on takeoff is about 6800 and the EGT is pushing over the 1850=20 degrees.  Obviously the prop is too big as revs are restricted = and the=20 motor is working too hard hence the EGT.  What size props are you = people=20 running??  2 rotor renesis.  Neil.
 
Sent: Thursday, August 08, 2013 7:12 AM
Subject: [FlyRotary] Re: 2 cycle premix
 
I use the same mix, but at closer to 1 oz/gal.  Why?  = That is=20 what Tracy does.  Dont think it is very critical over the short=20 term.  I have gone without oil for a tank or two when I didn't = plan=20 well.  I have also put multi-weight aviation engine oil in (at .5 = oz/gal)=20 on one occasion when I forgot to bring along any 2-stroke oil at = all.
 
Dave Leonard

On Fri, Jul 26, 2013 at 11:39 AM, Bill = Bradburry <bbradburry@bellsouth.net> wrote:

I use the = same mix=20 as Dennis but at the rate of 3/4 oz/gal in non-ethanol auto = gas.  My=20 engine is a Renesis with 70 flight = hours.

 

Bill=20 B

 

From:=20 Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of = Clouduster
Sent: Friday, July 26, 2013 = 9:17 AM=20


To: Rotary motors in=20 aircraft
Subject: [FlyRotary] Re: 2 = cycle=20 premix

 

I use a 50 - 50 mix of MM and WalMart 2 = stroke @=20 0.50 oz/ gal. Mixed in auto gas.  My engine is a Renesis with = 500=20 +hrs.

 

Dennis H.

Sent from my=20 iPad


On Jul = 25, 2013, at=20 16:29, ARGOLDMAN@aol.com=20 wrote:

Greetings=20 all,

 

For those of you who = are=20 actually flying and have some time on your rotaries and are using = Pre-mix=20 2 cycle oil:

 

1)  what oil = are you=20 using

2)   why = that=20 brand

3)   what = ratios are=20 you using

4    = where is=20 the best place to get it

 

Thanks

 

Rich

=


--
David Leonard

Turbo Rotary RV-6 = N4VY
http://N4VY.RotaryRoster.nethttp://RotaryRoster.net=20 ------=_NextPart_000_0009_01CEF664.04172030--