X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from QMTA05.emeryville.ca.mail.comcast.net ([76.96.30.48] verified) by logan.com (CommuniGate Pro SMTP 5.2c1) with ESMTP id 2603724 for flyrotary@lancaironline.net; Tue, 18 Dec 2007 11:54:03 -0500 Received-SPF: none receiver=logan.com; client-ip=76.96.30.48; envelope-from=gregw@onestopdesign.biz Received: from OMTA06.emeryville.ca.mail.comcast.net ([76.96.30.51]) by QMTA05.emeryville.ca.mail.comcast.net with comcast id SDH61Y00316AWCU0A0Q500; Tue, 18 Dec 2007 16:53:29 +0000 Received: from gregoryii ([24.6.40.29]) by OMTA06.emeryville.ca.mail.comcast.net with comcast id SGtV1Y0020dkeQQ8S00000; Tue, 18 Dec 2007 16:53:29 +0000 X-Authority-Analysis: v=1.0 c=1 a=pojcfBaBAAAA:8 a=aSlkq9OGbdiNOu5ywdcA:9 a=ks25iUvOfxYAHORIrEkA:7 a=K-eNsjqEdcqy8OsidDWEQGkIC4YA:4 a=U8Ie8EnqySEA:10 a=EzXvWhQp4_cA:10 a=b8hG5vVbyAkA:10 a=d46lUuF_AAAA:8 a=j4HZ-igU99Bzco5R0sEA:9 a=0HhhawSooz8QyTSsnt8A:7 a=9FTL9xw08NgvpGu5Dt1pJXC_sK0A:4 a=nzsYJDvBqywA:10 a=AfD3MYMu9mQA:10 Message-ID: <0ad601c84197$db889e50$8801a8c0@yosemite.onestopdesign.biz> From: "Greg Ward" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Supercharging Date: Tue, 18 Dec 2007 09:03:05 -0800 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0AD3_01C84154.CD087140" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.3138 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3198 This is a multi-part message in MIME format. ------=_NextPart_000_0AD3_01C84154.CD087140 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hey Bill; I hear you, and I asked Camden some of these same questions, awaiting a = reply. Their unit mounts directly to the block, and appears well = engineered, but as I said earlier, endurance, and what happens if it = blows, is my main concern. Been around the 1/4 mile tracks for more = years than I care to remember, and have seen a little excitement when = the old Gimmy 4-71's and 6-71's decided to cash in, not pretty. = Conversely, watching a turbo melt or lose a turbine blade doesn't get me = real excited either.........trying to find the best middle of the road. Greg ----- Original Message -----=20 From: wrjjrs@aol.com=20 To: Rotary motors in aircraft=20 Sent: Tuesday, December 18, 2007 7:29 AM Subject: [FlyRotary] Re: Supercharging Greg, Superchargers are sometimes simpler to implement, but there are other = reasons they aren't as popular on aircraft. First they are a power = robbing device. There is a net gain in power of course, but the charger = can require 10-15 HP to drive it at WOT and it makes the engine less = efficient. The other problem is you must be sure the unit is up to = continous use in the boost RPM range. Lastly the mount must be solid = enough to hold up to continous use as well.=20 Bill Jepson=20 -----Original Message----- From: Greg Ward To: Rotary motors in aircraft Sent: Mon, 17 Dec 2007 10:32 pm Subject: [FlyRotary] Supercharging As I have cruised around, looking at options, I came across = www.camdensuperchargers.com, who make kits for rotaries. Has anybody = had any experience with this? I like the idea of less heat, and = plumbing, but how about endurance? I know John Slade had a lot of fun = until he got the right Turbo, I wonder if the situation would be any = different with this. Greg Ward (trying to get into the air) -------------------------------------------------------------------------= ----- More new features than ever. Check out the new AOL Mail! ------=_NextPart_000_0AD3_01C84154.CD087140 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Hey Bill;
I hear you, and I asked Camden some of these = same=20 questions, awaiting a reply.  Their unit mounts directly to the = block, and=20 appears well engineered, but as I said earlier, endurance, and what = happens if=20 it blows, is my main concern.  Been around the 1/4 mile tracks for = more=20 years than I care to remember, and have seen a little excitement when = the old=20 Gimmy 4-71's and 6-71's decided to cash in, not pretty.  = Conversely,=20 watching a turbo melt or lose a turbine blade doesn't get me real = excited=20 either.........trying to find the best middle of the road.
Greg
----- Original Message -----
From:=20 wrjjrs@aol.com
Sent: Tuesday, December 18, = 2007 7:29=20 AM
Subject: [FlyRotary] Re:=20 Supercharging

Greg,
Superchargers are sometimes simpler to implement, but there are = other=20 reasons they aren't as popular on aircraft. First they are a power = robbing=20 device. There is a net gain in power of course, but the charger can = require=20 10-15 HP to drive it at WOT and it makes the engine less efficient. = The other=20 problem is you must be sure the unit is up to continous use in the=20 boost RPM range. Lastly the mount must be solid enough to hold up = to=20 continous use as well.
Bill Jepson 


-----Original Message-----
From: = Greg=20 Ward <gregw@onestopdesign.biz>
To: Rotary motors in aircraft=20 <flyrotary@lancaironline.net>
Sent: Mon, 17 Dec 2007 10:32=20 pm
Subject: [FlyRotary] Supercharging

As I have cruised around, looking at options, = I came=20 across www.camdensuperchargers.com, who make kits for=20 rotaries.  Has anybody had any experience with this?  I like = the=20 idea of less heat, and plumbing, but how about endurance?  I know = John=20 Slade had a lot of fun until he got the right Turbo, I wonder if the = situation=20 would be any different with this.
Greg Ward
(trying to get into the = air)

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