X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from nschwmtas06p.mx.bigpond.com ([61.9.189.152] verified) by logan.com (CommuniGate Pro SMTP 6.0.7) with ESMTP id 6634086 for flyrotary@lancaironline.net; Tue, 10 Dec 2013 20:27:46 -0500 Received-SPF: pass receiver=logan.com; client-ip=61.9.189.152; envelope-from=neil.unger@bigpond.com Received: from nschwcmgw06p ([61.9.190.166]) by nschwmtas06p.mx.bigpond.com with ESMTP id <20131211012710.QZGC2038.nschwmtas06p.mx.bigpond.com@nschwcmgw06p> for ; Wed, 11 Dec 2013 01:27:10 +0000 Received: from UserPC ([124.184.18.51]) by nschwcmgw06p with BigPond Outbound id 01T51n00W166y1Y011T60F; Wed, 11 Dec 2013 01:27:10 +0000 X-Authority-Analysis: v=2.0 cv=Pdd9d1dd c=1 sm=1 a=DPVW2j8V1lh8F59NvtaJdw==: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=sh8R1BoA-wBULJWOhIoA:9 a=QEXdDO2ut3YA:10 a=Z1BvOZmT1TIA:10 a=eJojReuL3h0A:10 a=EzXvWhQp4_cA:10 a=U8Ie8EnqySEA:10 a=eXJE9qknLBFGLMhQ:21 a=GpdcPcNX5aEE3Rwl:21 a=UKPAHat8AAAA:8 a=pGLkceISAAAA:8 a=x0unXV0DXhLGyPKRV1YA:9 a=_W_S_7VecoQA:10 a=tXsnliwV7b4A:10 a=7god_763jbgA:10 a=MSl-tDqOz04A:10 a=DPVW2j8V1lh8F59NvtaJdw==:117 Message-ID: From: "Neil Unger" To: "Rotary motors in aircraft" References: In-Reply-To: Subject: Re: [FlyRotary] Re: 2 cycle premix Date: Wed, 11 Dec 2013 12:26:58 +1100 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0009_01CEF66C.49331B30" 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_01CEF66C.49331B30 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Bobby, Your are probably right. I used to have an MT prop, but it = was expensive to buy and also repair, and found it far too slow to = respond in pitch, so you had to be very careful on take off to not = overspeed the thing. Other than that it was great. Neil.=20 From: Bobby J. Hughes=20 Sent: Wednesday, December 11, 2013 11:44 AM To: Rotary motors in aircraft=20 Subject: [FlyRotary] Re: 2 cycle premix MT electric three blade. I don't know what my peak EGT is at high power = but it should occur at 14.7 F/A. I would be surprised if it was much = over 1700F.=20 Bobby Sent from my iPad On Dec 10, 2013, at 6:28 PM, "Neil Unger" = wrote: 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_01CEF66C.49331B30 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable
Bobby,
           &n= bsp; =20 Your are probably right. I used to have an MT prop, but it was expensive = to buy=20 and also repair, and found it far too slow to respond in pitch, so you = had to be=20 very careful on take off to not overspeed the thing.  Other than = that it=20 was great.  Neil.=20
Sent: Wednesday, December 11, 2013 11:44 AM
Subject: [FlyRotary] Re: 2 cycle premix
 
MT electric three blade.  I don't know what my peak EGT is at = high=20 power but it should occur at 14.7 F/A. I would be surprised if it was = much over=20 1700F.
 
Bobby

Sent from my iPad

On Dec 10, 2013, at 6:28 PM, "Neil Unger" <neil.unger@bigpond.com>=20 wrote:

Bobby,
=
           &n= bsp;=20 Do 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=20 seen one rotor go to 1700 with an injector imbalance too rich. One = other time=20 with a 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=20 people 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 = 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=20 oz/gal) on one occasion when I forgot to bring along any 2-stroke = oil at=20 all.
 
Dave Leonard

On Fri, Jul 26, 2013 at 11:39 AM, Bill = Bradburry=20 <bbradburry@bellsouth.net> wrote:

I use = the same=20 mix as Dennis but at the rate of 3/4 oz/gal in non-ethanol auto = gas. =20 My engine is a Renesis with 70 flight=20 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 = 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,=20 at 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=20 Pre-mix 2 cycle oil:

 

1)  what oil = are you=20 using

2)   why = that=20 brand

3)   = what ratios=20 are 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_01CEF66C.49331B30--