Return-Path: <13brv3@bellsouth.net> Received: from imf23aec.mail.bellsouth.net ([205.152.59.71] verified) by logan.com (CommuniGate Pro SMTP 4.3c3) with ESMTP id 884420 for flyrotary@lancaironline.net; Wed, 20 Apr 2005 08:13:56 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.71; envelope-from=13brv3@bellsouth.net Received: from rd ([65.6.194.9]) by imf23aec.mail.bellsouth.net (InterMail vM.5.01.06.11 201-253-122-130-111-20040605) with ESMTP id <20050420121312.KEBW2468.imf23aec.mail.bellsouth.net@rd> for ; Wed, 20 Apr 2005 08:13:12 -0400 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: RV rotary grin! Date: Wed, 20 Apr 2005 07:13:36 -0500 Message-ID: <001601c545a2$613048e0$6101a8c0@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0017_01C54578.785A40E0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 Importance: Normal X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2527 In-Reply-To: This is a multi-part message in MIME format. ------=_NextPart_000_0017_01C54578.785A40E0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit My noise was a lot to do with my headset:>) The skinny plastic on the earmuffs had deterioated over the years and had no passive attenuation. Am flying with a neighbors and traded my old ones in on the latest Lightspeed 30XL3G. Hi Bernie, Have you flown with the new Lightspeeds yet? I have those same headsets, and had times were the noise overwhelmed them, causing a crackling, popping sound. They made a couple trips back to LS, and finally ended up with the old, thicker ear seals from the previous version of their headset. That, combined with extending my exhaust pipe to the rear a couple feet, finally got me a clean headset sound. My compression isabout 70 psi during cranking, YUK! I use premix 2 stroke penzoil of 1 oz per gallon. Is the compression dead even, or are there variations? I'm assuming this was one of Bruce's engines. New parts? Used parts? Just curious. I never checked the previous version of my engine, but the current version tested 90 psi cold, with only about 5 minutes of running time on it. As it gets broken in, I presume that will improve, and I think it would be better warm as well. Good luck, Rusty ------=_NextPart_000_0017_01C54578.785A40E0 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable Message
My noise was a lot to do with my headset:>)  = The=20 skinny plastic on the earmuffs had deterioated over the years and had no = passive=20 attenuation. Am flying with a neighbors and traded my old ones in on the = latest=20 Lightspeed 30XL3G. 
 
Hi Bernie,
 
Have you flown with the new Lightspeeds yet?  I have = those same=20 headsets, and had times were the noise overwhelmed them, causing a=20 crackling, popping sound.  They made a couple trips back to = LS, and=20 finally ended up with the old, thicker ear seals from the previous = version of=20 their headset.  That, combined with extending my exhaust pipe = to the=20 rear a couple feet, finally got me a clean headset=20 sound.  
 
 My = compression=20 isabout 70 psi during cranking, YUK!  I use premix 2 stroke = penzoil of=20 1 oz per gallon. 
 
Is the=20 compression dead even, or are there variations?  I'm assuming this = was one=20 of Bruce's engines.  New parts? Used parts?  Just = curious. =20
 
I never=20 checked the previous version of my engine, but the current version = tested 90 psi=20 cold, with only about 5 minutes of running time on it.  As it gets = broken=20 in, I presume that will improve, and I think it would be better warm as=20 well. 
 
Good=20 luck,
Rusty
 
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