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[75.253.151.22]) by mx.google.com with ESMTPSA id i7sm12760471qeo.7.2013.12.13.18.02.06 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 13 Dec 2013 18:02:20 -0800 (PST) Subject: Re: [FlyRotary] Re: 2 cycle premix References: From: Tracy Content-Type: multipart/alternative; boundary=Apple-Mail-F775D82B-AC1D-4288-A04C-E14636DB1FDC X-Mailer: iPad Mail (11B554a) In-Reply-To: Message-Id: <4A25313A-41E3-4F70-B26B-2E78F6576D88@gmail.com> Date: Fri, 13 Dec 2013 21:01:59 -0500 To: Rotary motors in aircraft Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (1.0) --Apple-Mail-F775D82B-AC1D-4288-A04C-E14636DB1FDC Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Speed about 165 - 175 mph, 6.5 - 7.5 GPH. These are the Renesis numbers o= n RV-4, not the 20B RV-8. Tracy Sent from my iPad > On Dec 13, 2013, at 19:14, Thomas Giddings wrote: >=20 > Tracy: what speed and fuel burn at your cruise settings >=20 > Kind Regards > Tom Giddings >=20 >=20 >=20 >> On Dec 13, 2013, at 6:06 PM, Tracy wrote: >>=20 >> I typically cruise at 5400 - 5600 rpm. WOT at top speed (224 mph) rpm i= s 7250. >>=20 >> Tracy >> Sent from my iPad >>=20 >>> On Dec 12, 2013, at 23:29, "Neil Unger" wrote: >>>=20 >>> tracy, >>> If you are happy with 6000 for take off, What rpm do you cru= ise at? Did you ever manage to get the monitor to record litres?? Neil. >>> =20 >>> From: Tracy >>> Sent: Thursday, December 12, 2013 9:33 AM >>> To: Rotary motors in aircraft >>> Subject: [FlyRotary] Re: 2 cycle premix >>> =20 >>> Using a 74 x 88 2blade on my Renesis. I get about 6000 on takeoff so I w= ould not say you have too much prop. possibly too little if that 6800 rpm i= s accurate. 1800 EGT is not unusual at peak EGT & WOT. >>> =20 >>> .75 oz per gal oil mix. >>> =20 >>> Tracy >>> =20 >>>=20 >>>> On Dec 10, 2013, at 19:08, "Neil Unger" wrote:= >>>>=20 >>>> 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 p= ushing over the 1850 degrees. Obviously the prop is too big as revs are res= tricted and the motor is working too hard hence the EGT. What size props ar= e you people running?? 2 rotor renesis. Neil. >>>> =20 >>>> From: David Leonard >>>> Sent: Thursday, August 08, 2013 7:12 AM >>>> To: Rotary motors in aircraft >>>> Subject: [FlyRotary] Re: 2 cycle premix >>>> =20 >>>> I use the same mix, but at closer to 1 oz/gal. Why? That is what Trac= y does. Dont think it is very critical over the short term. I have gone wi= thout 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 t= o bring along any 2-stroke oil at all. >>>> =20 >>>> Dave Leonard >>>>=20 >>>>> 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-etha= nol auto gas. My engine is a Renesis with 70 flight hours. >>>>>=20 >>>>> =20 >>>>>=20 >>>>> Bill B >>>>>=20 >>>>> =20 >>>>>=20 >>>>> From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] O= n Behalf Of Clouduster >>>>> Sent: Friday, July 26, 2013 9:17 AM >>>>>=20 >>>>>=20 >>>>> To: Rotary motors in aircraft >>>>> Subject: [FlyRotary] Re: 2 cycle premix >>>>> =20 >>>>>=20 >>>>> I use a 50 - 50 mix of MM and WalMart 2 stroke @ 0.50 oz/ gal. Mixed i= n auto gas. My engine is a Renesis with 500 +hrs. >>>>>=20 >>>>> =20 >>>>>=20 >>>>> Dennis H. >>>>>=20 >>>>> Sent from my iPad >>>>>=20 >>>>>=20 >>>>>> On Jul 25, 2013, at 16:29, ARGOLDMAN@aol.com wrote: >>>>>> Greetings all, >>>>>>=20 >>>>>> =20 >>>>>>=20 >>>>>> For those of you who are actually flying and have some time on your r= otaries and are using Pre-mix 2 cycle oil: >>>>>>=20 >>>>>> =20 >>>>>>=20 >>>>>> 1) what oil are you using >>>>>>=20 >>>>>> 2) why that brand >>>>>>=20 >>>>>> 3) what ratios are you using >>>>>>=20 >>>>>> 4 where is the best place to get it >>>>>>=20 >>>>>> =20 >>>>>>=20 >>>>>> Thanks >>>>>>=20 >>>>>> =20 >>>>>>=20 >>>>>> Rich >>>>>>=20 >>>>=20 >>>>=20 >>>>=20 >>>> --=20 >>>> David Leonard >>>>=20 >>>> Turbo Rotary RV-6 N4VY >>>> http://N4VY.RotaryRoster.net >>>> http://RotaryRoster.net --Apple-Mail-F775D82B-AC1D-4288-A04C-E14636DB1FDC Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable
Speed about 165 - 175 mph,  6.5 -= 7.5 GPH.   These are the Renesis numbers on RV-4, not the 20B RV-8.

Tracy

Sent from my iPad

On Dec 1= 3, 2013, at 19:14, Thomas Giddings <n360tg@earthlink.net> wrote:

Tracy: what speed and fuel burn at your cruise settings

Kind= Regards
Tom Giddings



On Dec 13, 2013, at 6:06 PM, Tracy <rwstracy@gmail.com> wrote:

I typically cruise at 5400 - 5600 rpm.   WOT at top speed (= 224 mph) rpm is 7250.

Tracy
Sent from my iPad
On Dec 12, 2013, at 23:29, "Neil Unger" <neil.unger@bigpond.com> wrote:

tracy,
            If y= ou=20 are happy with 6000 for take off, What rpm do you cruise at?   Did= you=20 ever manage to get the monitor to record litres?? Neil.
 
From: Tracy
Sent: Thursday, December 12, 2013 9:33 AM
Subject: [FlyRotary] Re: 2 cycle premix
 
Using a 74 x 88 2blade on my Renesis.  I get about 6000 on takeoff= so=20 I would not say you have too much prop.   possibly too little if t= hat=20 6800 rpm is accurate.    1800 EGT is not unusual at peak EGT=20= & WOT.
 
.75 oz per gal oil mix.
 
Tracy
 

On Dec 10, 2013, at 19:08, "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.&n= bsp; 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 th= e=20 motor is working too hard hence the EGT.  What size props are you peo= ple=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 i= s=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 Bradburr= y <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.  M= y=20 engine is a Renesis with 70 flight hours.

 

Bill=20 B

 

<= font size=3D"3" face=3D"Times New Roman">

From:=20 Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Clouduster
= Sent: Friday, July 26, 2013 9:1= 7 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, a= t=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.net
http://RotaryRoster.net=20
= --Apple-Mail-F775D82B-AC1D-4288-A04C-E14636DB1FDC--