X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from ms-smtp-03.southeast.rr.com ([24.25.9.102] verified) by logan.com (CommuniGate Pro SMTP 5.0.9) with ESMTP id 1122288 for flyrotary@lancaironline.net; Sun, 21 May 2006 12:31:52 -0400 Received-SPF: pass receiver=logan.com; client-ip=24.25.9.102; envelope-from=eanderson@carolina.rr.com Received: from edward2 (cpe-024-074-111-186.carolina.res.rr.com [24.74.111.186]) by ms-smtp-03.southeast.rr.com (8.13.6/8.13.6) with SMTP id k4LGV5dV022443 for ; Sun, 21 May 2006 12:31:07 -0400 (EDT) Message-ID: <004601c67b61$b873d180$2402a8c0@edward2> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Questions from a potential rotaryphile Date: Fri, 19 May 2006 12:31:45 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0043_01C67B40.31110440" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2869 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.2869 X-Virus-Scanned: Symantec AntiVirus Scan Engine This is a multi-part message in MIME format. ------=_NextPart_000_0043_01C67B40.31110440 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Well, a bunch of misinformation at the least. You don't have to mix 2 cycle in your gas, you can use a separate tank = or (heaven forbid) even inject crank case oil as they do with the engine = in the automobile. Mixing it is just simpler for most of us. And its = not required by the unusual combustion chamber shape , but is need to = cool/lubricate the apex seal. One person flew from Chicago to Florida = without 2 cycle mixed in his gas and apparently did not do any engine = damage although one might assume the apex seals did not care for it. You don't get a power drop from using aviation fuel after take off or = any other time - and of course you do NOT need to use aviation fuel. Now if you use 100% aviation fuel, my experience is that you will get = sparkplug fouling at approx 20-30 hours of use and I then replace the = plugs - but you could probably clean them off and reuse them a time or = two - keeping meaning to try that. Considering auto sparkplugs cost = approx 1/5 of an aircraft spark plug - not a big concern. But if you = stick to Mogas then you'll likely get over 150-200 hours on a set of = plugs. Clearly a person who has "heard" things about the rotary, but does not = know anything about them. Ed (back from Flyin) Ed Anderson Rv-6A N494BW Rotary Powered Matthews, NC eanderson@carolina.rr.com . ----- Original Message -----=20 From: ARGOLDMAN@aol.com=20 To: Rotary motors in aircraft=20 Sent: Sunday, May 21, 2006 7:48 AM Subject: [FlyRotary] Questions from a potential rotaryphile =20 In a different forum, not related specifically to engines, the = following was stated, "...Rotary is different issue. Their unusual combustion chamber = requires them to mix 2 cycle oil with each tank. If they don't their compression = seals die prematurely. Just like your boat motor mix, I don't see it as a = big deal. In addition, if they use aviation fuel, they develop power drop = on departure and have to replace all their plugs before next flight. This happens every 20 hours. They don't have solution for this." What is the experience that you are having? Is there any truth to = this. If not true, where might this info have come from??=20 thanks, Rich ------=_NextPart_000_0043_01C67B40.31110440 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Well, a bunch of misinformation at the = least.
 
You don't have to mix 2 cycle in your gas, you can = use a=20 separate tank or (heaven forbid) even inject crank case oil as they do = with the=20 engine in the automobile.  Mixing it is just simpler for most of = us. =20 And its not required by the unusual combustion chamber shape , but is = need to=20 cool/lubricate the apex seal.  One person flew from Chicago to = Florida=20 without 2 cycle mixed in his gas and apparently did not do any engine = damage=20 although one might assume the apex seals did not care for = it.
 
You don't get a power drop from using aviation fuel = after take=20 off or any other time - and of course you do NOT need to use aviation=20 fuel.
 
Now if you use 100%  aviation fuel, my = experience is that=20 you will get sparkplug fouling at approx 20-30 hours of use and I then = replace=20 the plugs - but you could probably clean them off and reuse them a time = or two -=20 keeping meaning to try that.  Considering auto sparkplugs cost = approx 1/5=20 of an aircraft spark plug - not a big concern.  But if you stick to = Mogas=20 then you'll likely get over 150-200 hours on a set of = plugs.
 
Clearly a person who has "heard" things about the = rotary, but=20 does not know anything about them.
 
Ed  (back from Flyin)
 
Ed Anderson
Rv-6A N494BW Rotary = Powered
Matthews,=20 NC
eanderson@carolina.rr.com
 
.
----- Original Message -----
From:=20 ARGOLDMAN@aol.com
Sent: Sunday, May 21, 2006 7:48 = AM
Subject: [FlyRotary] Questions = from a=20 potential rotaryphile

 =20
In a different forum, not related specifically to engines, the = following=20 was stated,
 
"...Rotary is different issue. Their unusual combustion chamber = requires=20 them
to mix 2 cycle oil with each tank. If they don't their = compression=20 seals
die prematurely. Just like your boat motor mix, I don't see = it as a=20 big
deal. In addition, if they use aviation fuel, they develop = power drop=20 on
departure and have to replace all their plugs before next = flight.=20 This
happens every 20 hours. They don't have solution for=20 this."

What is the experience that you are having? Is there any = truth=20 to this. If not true, where might this info have come from??
 
thanks,
Rich
------=_NextPart_000_0043_01C67B40.31110440--