X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from sccmmhc91.asp.att.net ([204.127.203.211] verified) by logan.com (CommuniGate Pro SMTP 5.1c.4) with ESMTP id 1403505 for flyrotary@lancaironline.net; Thu, 14 Sep 2006 18:56:26 -0400 Received-SPF: none receiver=logan.com; client-ip=204.127.203.211; envelope-from=btilley@mchsi.com Received: from [192.168.1.101] (12-218-75-32.client.mchsi.com[12.218.75.32]) by sccmmhc91.asp.att.net (sccmmhc91) with SMTP id <20060914225537m9100slmf9e>; Thu, 14 Sep 2006 22:55:47 +0000 Mime-Version: 1.0 (Apple Message framework v752.2) In-Reply-To: References: Content-Type: multipart/alternative; boundary=Apple-Mail-1--421290401 Message-Id: From: Bob Tilley Subject: Re: [FlyRotary] Re: XR-40 Date: Thu, 14 Sep 2006 18:55:35 -0400 To: "Rotary motors in aircraft" X-Mailer: Apple Mail (2.752.2) --Apple-Mail-1--421290401 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed Rusty, I tried to find my notes from Sun n Fun, must have discarded them. So going from memory, I don't remember any provisions for oil other than in the gas. But it was cooled by a radiator and pump, this is also visible in their pictures of their plane. Got to be a BIG drag bucket. Bob On Sep 14, 2006, at 8:54 AM, Russell Duffy wrote: > Hi Bob, > > It's always a good sign when one of these engines actually makes it > into a flying aircraft. With any luck, they'll proceed with their > 2 rotor plans, and get one of those on the market as well. I've > been saying that the sport pilot market is dying for a better > 80-100 HP engine choice, so maybe this will be it. > > Since they don't have an oil system, how are they cooling the > rotors? Would this be what I've seen referred to as "charge > cooling"? As with all these new engines, it will be good to start > seeing some unbiased user reports. > > Cheers, > Rusty (what am I doing in Florence, AL) > > --Apple-Mail-1--421290401 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=ISO-8859-1 Rusty,

I tried to find my notes = from Sun n Fun, must have discarded them. So going from memory, I don't = remember any provisions for oil other than in the gas. But it was cooled = by a radiator and pump, this is also=A0visible in their pictures of = their plane. Got to be a BIG drag bucket.

Bob


On Sep 14, = 2006, at 8:54 AM, Russell Duffy wrote:
Hi Bob,
=A0
It's = always a good sign when one of these engines actually makes it into a = flying aircraft.=A0 With any luck, they'll proceed with their 2 rotor = plans, and get one of those on the market as well.=A0 I've been saying = that the sport pilot market is dying for a better=A0 80-100 HP engine = choice, so maybe this will be it.=A0
=A0
Since = they don't have an oil system, how are they cooling the rotors?=A0 Would = this be what I've seen referred to as "charge cooling"?=A0 As with all = these new engines, it will be good to start seeing some unbiased=A0user = reports.
=A0
Cheers,
Rusty = (what am I doing in=A0Florence, AL)
=A0
=A0

= = --Apple-Mail-1--421290401--