X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mail05.syd.optusnet.com.au ([211.29.132.186] verified) by logan.com (CommuniGate Pro SMTP 5.2c4) with ESMTPS id 2642904 for flyrotary@lancaironline.net; Sun, 13 Jan 2008 01:04:14 -0500 Received-SPF: pass receiver=logan.com; client-ip=211.29.132.186; envelope-from=lendich@optusnet.com.au Received: from george (d58-105-136-230.dsl.nsw.optusnet.com.au [58.105.136.230]) by mail05.syd.optusnet.com.au (8.13.1/8.13.1) with SMTP id m0D63P1l014903 for ; Sun, 13 Jan 2008 17:03:27 +1100 Message-ID: <001901c855aa$058e9210$e688693a@george> From: "George Lendich" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: URL for HushPower Date: Sun, 13 Jan 2008 16:03:28 +1000 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 X-Antivirus: avast! (VPS 0657-0, 12/12/2006), Outbound message X-Antivirus-Status: Clean Bob, What are those O2 sensors worth? George ( down under) > Hi Bill, > > I was told by a sales clerk at NAPA that all O2 sensors use the same > thread (I don't know about wide band sensors so this may not apply). > My memory tells me it a 14 mm spark plug thread. My memory is not > always reliable. > > Bob W. > > On Sat, 12 Jan 2008 22:35:55 -0500 > "Bill Bradburry" wrote: > >> Mark, >> >> >> >> How do the threads look on the O2 sensor? Mine were boogered up when I >> removed it. I still don't know if it is due to different threads or >> something else. I used the bung from the original exhaust manifold, but >> the >> O2 sensor that Tracy recommends. >> >> >> >> Bill B >> >> >> >> _____ >> >> From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On >> Behalf Of Mark Steitle >> Sent: Saturday, January 12, 2008 9:06 PM >> To: Rotary motors in aircraft >> Subject: [FlyRotary] Re: URL for HushPower >> >> Bill, >> The cowl has had the "Dolly Pardon" mod. So, no further cowl >> modifications >> should be necessary. Hopefully, this exhaust system will last. I found >> one >> crack that I hope was caused by not having a support out near the rear. >> The >> HP-2 will be supported for sure. I haven't installed the bung for the O2 >> sensor yet, plan to do that tomorrow. I need to pick up a new O2 sensor >> as >> mine somehow got damaged. >> >> Mark S. >> >> On Jan 12, 2008 7:02 PM, Bill Bradburry wrote: >> >> Took me a minute to figure out what I was looking at, Mark, but what are >> you >> going to do to reinstall the O2 sensor? Looks like you will have to do a >> little cowl mod as well? >> >> >> >> I sure wish I lived a little closer to your welder. :>) That is a very >> clean looking install. >> >> >> >> Bill B >> >> >> >> _____ >> >> From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On >> Behalf Of Mark Steitle >> Sent: Saturday, January 12, 2008 5:59 PM >> >> >> To: Rotary motors in aircraft >> >> Subject: [FlyRotary] Re: URL for HushPower >> >> For rotorheads that are contemplating using (also the mildly curious) the >> Flowmaster HP-2 "resonator" muffler, >> >> I installed the HP-2 today on my 20B and was able to do a run-up. Bobby >> Hughes and I both agree that the exhaust tone is much, much mellower with >> a >> deeper tone. My Lighspeed ANR headset had no problem cancelling out this >> low-frequency exhaust tone. While the overall sound level was still >> pretty >> significant, the exhaust tone was much more pleasant to the ears. The >> ear-piercing, glass shattering, nails-on-the-chalkboard, >> make-you-bleed-from-the-ears, exhaust tone is totally tamed. The 3-blade >> M/T prop is the primary noisemaker now. The test took place between two >> rows of hangars, so I feel that DB readings are not very realistic. I'll >> take those again out on the ramp and post the numbers. If the HP-2 holds >> up >> to the pounding of the rotary's exhaust, I'll be a very happy camper. >> >> Mark S. >> >> >> >> On Jan 12, 2008 3:22 PM, Ed Anderson wrote: >> >> They are both used stock Rx-7 turbos. one is the older model pre 89 and >> the second is a later model 91 year. They both appear to be in working >> condition in no nicks on the blades and they spin. I used compressed air >> to >> spin the compressor wheels to they were really whizzing along. >> >> >> >> One came with my 91 turbo block and the other was given to me. >> >> >> >> Ed >> >> >> >> >> >> ----- Original Message ----- >> >> From: Thomas Jakits >> >> To: Rotary motors in aircraft >> >> Sent: Saturday, January 12, 2008 3:46 PM >> >> Subject: [FlyRotary] Re: URL for HushPower >> >> >> >> Well, >> >> then we just have to keep on looking for a "justification" for you/your >> area/etc. :) >> >> Just wait, I'll find something! :) >> >> Thomas >> >> How about: "..... I have two turbo sitting in my shop......." >> >> ...are they new/used? What's the scoop on them? >> >> >> >> >> >> > > > -- > N93BD - Rotary Powered BD-4 - http://www.bob-white.com > 3.8 Hours Total Time and holding > Cables for your rotary installation - http://roblinstores.com/cables/ > > -- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: > http://mail.lancaironline.net:81/lists/flyrotary/List.html > > > -- > No virus found in this incoming message. > Checked by AVG Free Edition. > Version: 7.5.516 / Virus Database: 269.19.2/1221 - Release Date: > 12/01/2008 2:04 PM >