X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [206.46.252.46] (HELO vms046pub.verizon.net) by logan.com (CommuniGate Pro SMTP 4.3c5) with ESMTP id 913511 for flyrotary@lancaironline.net; Sun, 24 Apr 2005 21:55:45 -0400 Received: from [63.24.48.27] ([63.24.114.70]) by vms046.mailsrvcs.net (Sun Java System Messaging Server 6.2 HotFix 0.04 (built Dec 24 2004)) with ESMTPA id <0IFH0093UC0SKAP3@vms046.mailsrvcs.net> for flyrotary@lancaironline.net; Sun, 24 Apr 2005 20:55:45 -0500 (CDT) Date: Sun, 24 Apr 2005 19:02:08 -0700 From: Ken Welter Subject: [FlyRotary] Re: Apex Slot Wear/ Grinding for 3mm Seals In-reply-to: X-Sender: res0c5l1@incoming.verizon.net To: "Rotary motors in aircraft" Message-id: MIME-version: 1.0 Content-type: multipart/alternative; boundary="============_-1097727946==_ma============" References: --============_-1097727946==_ma============ Content-Type: text/plain; charset="us-ascii" ; format="flowed" Yes I agree. I took a guy that road races rotaries for a ride around MT Saint Helens that involved a 45 minute climb at full throttle at 6500 rpm, it made him cringe and he asked do you ever back out of the throttle, I replied yes when I want to land. At the end of the trip he said that he couldn't belive how I beat the crap out of the rotary compared to race cars. Ken >Ok, so grooves don't wear in your application (car racing) with >proper lubrication and air filtering. > >What HP range would you estimate your engines spend 90% of their time in? > >Finn > >Lehanover@aol.com wrote: > >>I was unaware of the hardening process if any. I have only seen 5 >>or 6 rotors with worn grooves in 30 years of looking. > > --============_-1097727946==_ma============ Content-Type: text/html; charset="us-ascii" [FlyRotary] Re: Apex Slot Wear/ Grinding for 3mm Seals
  Yes I agree.
  I  took a guy that road races rotaries for a ride around MT Saint Helens that involved a 45 minute climb at full throttle at 6500 rpm, it made him cringe and he asked do you ever back out of the throttle, I replied yes when I want to land.
 At the end of the trip he said that he couldn't belive how I beat the crap out of the rotary compared to race cars.
  Ken




Ok, so grooves don't wear in your application (car racing) with proper lubrication and air filtering.

What HP range would you estimate your engines spend 90% of their time in?

Finn

Lehanover@aol.com wrote:
I was unaware of the hardening process if any. I have only seen 5 or 6 rotors with worn grooves in 30 years of looking.


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