X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mail-iw0-f180.google.com ([209.85.214.180] verified) by logan.com (CommuniGate Pro SMTP 5.3.8) with ESMTP id 4382552 for flyrotary@lancaironline.net; Tue, 06 Jul 2010 14:20:15 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.214.180; envelope-from=msteitle@gmail.com Received: by iwn8 with SMTP id 8so6038585iwn.25 for ; Tue, 06 Jul 2010 11:19:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:received:in-reply-to :references:date:message-id:subject:from:to:content-type; bh=gDqwPKYVPmjxUVD8khc8C6BWG77Z2bBb2jq7GNnBOB4=; b=OTOcR0+lwTriHqZaHGvD8eSlajEMXZVRMg9FZfOoQ/DiqlSYsm4PGJT0YddgNatLqy HohcohjIGpGP7ByHxqTwDGvIvcLwYOTPGhufTvRG2pLI/GfbacuW7KM2FTIa0z1XnvDr xPSCGKDTvwql8YzuD2M5v7FSfd6KHu8Z/uxMk= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; b=IyWaUsBZnV5uv2CU3Qy8w6UsUpp+sfMRRxbqrmU+//J7og5W9lkj4DXn6fhYDnjn1N DQYFFUGd+p8VxXxiqFeBpJqCJeZ9YPuXM/Y8gZCaMAVZ8NnmsbOvZcQ5exo52YP6XCRs pZxWCUkp/3db3uE09p+w5upgNTLS6WkHg60zE= MIME-Version: 1.0 Received: by 10.231.147.18 with SMTP id j18mr5511118ibv.19.1278440379754; Tue, 06 Jul 2010 11:19:39 -0700 (PDT) Received: by 10.231.190.213 with HTTP; Tue, 6 Jul 2010 11:19:39 -0700 (PDT) In-Reply-To: References: Date: Tue, 6 Jul 2010 13:19:39 -0500 Message-ID: Subject: Re: [FlyRotary] Re: Flight Report From: Mark Steitle To: Rotary motors in aircraft Content-Type: multipart/alternative; boundary=001485ec0e58b3aaa9048abc18f4 --001485ec0e58b3aaa9048abc18f4 Content-Type: text/plain; charset=ISO-8859-1 Richard, Then, wouldn't you refer to half a 12A as a 6A? Mark On Tue, Jul 6, 2010 at 12:27 PM, Richard Sohn wrote: > Yes Mark, > > the airframe is my AVID Heavy Hauler, which I flew for 10 years with a > SOOB. Airframe mods are done, and the engine is on the test stand for shake > down runs. > I would call that engine a 12B because it uses a 12A rotor and rotor > housing. > > Richard Sohn > N2071U > > ----- Original Message ----- > *From:* Mark Steitle > *To:* Rotary motors in aircraft > *Sent:* Tuesday, July 06, 2010 9:52 AM > *Subject:* [FlyRotary] Re: Flight Report > > Richard, > > So, are you now installing your 6.5b on the airframe? How's that going? > > Mark > > On Tue, Jul 6, 2010 at 6:59 AM, Richard Sohn wrote: > >> Mark, >> >> I never got that low, the engine quits at around 1400rpm. This low idle on >> your engine sounds like being the result of the short intake runner between >> the throttle(slide-) and the port. Would be my guess. >> >> Richard Sohn >> N2071U >> >> ----- Original Message ----- >> *From:* Mark Steitle >> *To:* Rotary motors in aircraft >> *Sent:* Monday, July 05, 2010 9:45 PM >> *Subject:* [FlyRotary] Re: Flight Report >> >> Richard, >> >> I have witnessed a nice idle down to 1200 rpm. There seems to be a >> difference in how it idles after a flight vs. just rolling it out of the >> hangar and running it briefly. Again, sounds like a tuning issue. >> >> Mark >> >> >> On Mon, Jul 5, 2010 at 8:44 PM, Richard Sohn wrote: >> >>> Mark, >>> >>> I am seeing the same at below 2500rpm, but it is practically the same >>> down to about 1600. I am running a carb with a 22" intake runner, and the >>> carburetor is not fully tuned for idle mixture yet. My gear ratio is 3.33:1, >>> so even at 2500 the prop speed is not an issue. >>> >>> Richard Sohn >>> N2071U >>> >>> ----- Original Message ----- >>> *From:* Mark Steitle >>> *To:* Rotary motors in aircraft >>> *Sent:* Monday, July 05, 2010 6:51 PM >>> *Subject:* [FlyRotary] Re: Flight Report >>> >>> Richard, >>> >>> Yes, it is a p-port. I've got about 5 hours on it now. It runs good, >>> but I can't say that it runs as smooth at lower speeds (below 2500 rpm) than >>> the side port engine did. That may be due to some tuning issues, maybe not. >>> Time will tell on that. Besides, I don't run much at lower rpm. However, >>> above 3000 rpm, it runs better than the side-port engine. I suspect the >>> tangential muffler is causing a loss of power at higher rpm. I'll explore >>> other options later. >>> >>> I reported earlier that at "economy cruise" settings, I picked up 10-12 >>> knots with the p-port engine vs. the side port engine, but that came with a >>> higher fuel burn. No free lunch here. This is at 5200 rpm. I'll report >>> later on speeds in the mid to upper 6k range. >>> >>> Mark >>> >>> On Mon, Jul 5, 2010 at 6:16 PM, Richard Sohn wrote: >>> >>>> Mark, >>>> >>>> you are flying the PP engine? right? I think this is something worth >>>> mentioning. I believe it is the only PP flying at the time. >>>> Judging by the issues you are dealing with, the PP section seems to be a >>>> no brainer. The reason I am addressing this is the fact that during my work >>>> on the PP single rotor, there was never any issue with the PP during all the >>>> testing and modifications, it just keeps running whenever I want it to, and >>>> it is running good. I am working hard on joining you soon with my PP Rotary. >>>> >>>> Richard Sohn >>>> N2071U >>>> >>>> >>>> >>>> ----- Original Message ----- >>>> *From:* Mark Steitle >>>> *To:* Rotary motors in aircraft >>>> *Sent:* Monday, July 05, 2010 4:18 PM >>>> *Subject:* [FlyRotary] Flight Report >>>> >>>> Guys, >>>> >>>> Things have been a little too quiet on the list lately, so I thought I >>>> would post a flight report on the Renesis water pump conversion I >>>> recently completed on my 20B. >>>> >>>> I recently converted my 20B to accept the Renesis water pump. I did >>>> this after weighing the two and found that it would save 6-7 lbs. While it >>>> was more work that I had estimated, it turned out well worth the effort. >>>> After working through a persistent misfire issue over the past few weeks >>>> which was cured by careful attention to the CAS setup, I was finally able to >>>> take to the air last weekend. OAT was 69-70* @ 2,500 msl and there was a >>>> 3000' ceiling, so I didn't go any higher. >>>> >>>> Things went very well, climbing out at 6700 rpm water got to 175*, oil >>>> to 185*. Circling at a modest 25.5" MAP, water temps dropped to 143*, oil >>>> settled in at 160* (my oil temp target). Adding power, I saw the oil >>>> temps starting to creap up a bit, bumping 165*. Cowl flap was left open >>>> during the entire flight. Needless to say, I am very pleased. >>>> >>>> It should be noted that in conjuction to the Renesis water pump, I added >>>> a Laminova oil/water exchanger. It is connected to the coolant return >>>> line and in series with the oil/air exchanger. I measured a 10* increase in >>>> coolant temp through the exchanger. I haven't measured the oil temp >>>> drop yet. However I estimate the oil temp drop through the exchanger to >>>> be 20-25*. >>>> >>>> Mark >>>> >>>> >>> >> > > -- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: > http://mail.lancaironline.net:81/lists/flyrotary/List.html > > --001485ec0e58b3aaa9048abc18f4 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Richard,

Then, wouldn't you refer to half a 12A as a= 6A? =A0

Mark

On= Tue, Jul 6, 2010 at 12:27 PM, Richard Sohn <res12@fairpoint.net> wrote:
Yes Mark,
=A0
the airframe is my AVID Heavy Hauler, = which I flew=20 for 10 years with a SOOB. Airframe mods are done, and the engine is on the = test=20 stand for shake down runs.
I would call that engine a 12B because= it uses a=20 12A rotor and rotor housing.
=A0
Richard Sohn
N2071U
----- Original Message -----
From:=20 Mark Steitle=20
Sent: Tuesday, July 06, 2010 9:52= =20 AM
Subject: [FlyRotary] Re: Flight=20 Report

Richard,

So, are you now installing your 6.5b on the airframe? =A0How's t= hat=20 going?

Mark

On Tue, Jul 6, 2010 at 6:59 AM, Richard Sohn <= span dir=3D"ltr"><res12@fairpoint.net>=20 wrote:
Mark,
=A0
I never got that low, the engine q= uits at=20 around 1400rpm. This low idle on your engine sounds like being the resu= lt of=20 the short intake runner between the throttle(slide-)=A0and the port.=20 Would be my guess.
=A0
Richard Sohn
N2071U
----- Original Message -----
Sent: Monday, July 05, 2010 9:4= 5=20 PM
Subject: [FlyRotary] Re: Flight= =20 Report

Richard,=A0=20

I have witnessed a nice idle down to 1200 rpm. =A0There seems to= =20 be a difference in how it idles after a flight vs. just rolling it ou= t of=20 the hangar and running it briefly. =A0Again, sounds like a tuning=20 issue.

Mark


On Mon, Jul 5, 2010 at 8:44 PM, Richard So= hn <res12@fairpoint.net> wrote:
Mark,
=A0
I am seeing the same at below = 2500rpm, but=20 it is practically the same down to about 1600. I am running a carb = with=20 a 22" intake runner, and the carburetor is not fully tuned for= idle=20 mixture yet. My gear ratio is 3.33:1, so even at 2500 the prop spee= d is=20 not an issue.
=A0
Richard Sohn
N2071U<= /div>
----- Original Message -----
From: Mark Steitle
Sent: Monday, July 05, 2010= 6:51=20 PM
Subject: [FlyRotary] Re: Fl= ight=20 Report

Richard,=A0=20

Yes, it is a p-port. =A0I've got about 5 hours on it now= .=20 =A0It runs good, but I can't say that it runs as smooth at lo= wer=20 speeds (below 2500 rpm) than the side port engine did. =A0That ma= y=20 be due to some tuning issues, maybe not. =A0Time will tell on tha= t.=20 =A0Besides, I don't run much at lower rpm. =A0However, above= =20 3000 rpm, it runs better than the side-port engine. =A0I suspect= =20 the tangential muffler is causing a loss of power at higher rpm.= =20 =A0I'll explore other options later. =A0 =A0

I reported earlier that at "economy cruise" settin= gs, I picked up=20 10-12 knots with the p-port engine vs. the side port engine, but = that=20 came with a higher fuel burn. =A0No free lunch here. =A0This is= =20 at 5200 rpm. =A0I'll report later on speeds in the mid to upp= er 6k=20 range. =A0

Mark =A0 =A0

On Mon, Jul 5, 2010 at 6:16 PM, Richar= d Sohn=20 <res12@fairpoint.net> wrote:
Mark,
=A0
you are flying the PP engi= ne? right? I=20 think this is something worth mentioning. I believe it is the o= nly=20 PP flying at the time.
Judging by the issues you = are dealing=20 with, the PP section seems to be a no brainer. The reason I am= =20 addressing this is the fact that during my work on the PP singl= e=20 rotor, there was never any issue with the PP during all the tes= ting=20 and modifications, it just keeps running whenever I want it to,= and=20 it is running good. I am working hard on joining you soon with = my PP=20 Rotary.
=A0
Richard Sohn
N2071U
=A0
=A0
----- Original Message ----- <= /div>
Sent: Monday, July 05, = 2010=20 4:18 PM
Subject: [FlyRotary] Fl= ight=20 Report

Guys,
=A0
Things have been a little too quiet on the list lately, = so I=20 thought I would post a flight report on=A0the Renesis water= =20 pump conversion I recently=A0completed on my 20B.=A0
=A0
I recently converted=A0my 20B to=A0accept=A0the=20 Renesis water pump.=A0 I did this=A0after weighing the two=20 and found that it would save 6-7 lbs.=A0 While=A0it was more= =20 work that I had estimated, it=A0turned out well worth the=20 effort.=A0 After working through a persistent misfire issue= =20 over the past few weeks which was cured by careful attention = to=20 the CAS setup, I was finally able to take to the air last=20 weekend.=A0 OAT was 69-70* @ 2,500 msl and there was a 3000&#= 39;=20 ceiling, so I didn't go any higher.=A0=A0
=A0
Things went very well, climbing out at 6700 rpm water go= t to=20 175*, oil to 185*.=A0 Circling at a modest 25.5"=20 MAP,=A0water temps dropped to 143*, oil settled in at 160* (m= y=20 oil temp target).=A0 Adding power, I saw the oil=20 temps=A0starting to creap up a bit, bumping 165*.=A0 Cowl=20 flap was left open during the entire=A0flight.=A0 Needless=20 to say, I am very pleased.=A0=A0
=A0
It should be noted that=A0in=A0conjuction to the=20 Renesis water pump, I added a Laminova oil/water exchanger.= =A0=20 It is connected to the coolant return line=A0and in series wi= th=20 the oil/air exchanger.=A0 I measured a 10* increase in coolan= t=20 temp through the exchanger.=A0 I haven't=A0measured the o= il=20 temp drop=A0yet.=A0 However I=A0estimate the oil temp=20 drop=A0through the exchanger to=20 be=A020-25*.=A0=A0
=A0
Mark=A0=A0=A0=A0


=


--
Homepage: =A0http:/= /www.flyrotary.com/
Archive and UnSub: =A0 http://mail.lancaironline.net:81/lists= /flyrotary/List.html


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