Return-Path: Received: from [129.116.87.170] (HELO MAIL01.austin.utexas.edu) by logan.com (CommuniGate Pro SMTP 4.3c3) with ESMTP id 881879 for flyrotary@lancaironline.net; Mon, 18 Apr 2005 09:54:05 -0400 Received-SPF: none receiver=logan.com; client-ip=129.116.87.170; envelope-from=mark.steitle@austin.utexas.edu X-MimeOLE: Produced By Microsoft Exchange V6.5.7226.0 Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01C5441D.F96817E8" Subject: RE: [FlyRotary] Re: New rotors, New housings Date: Mon, 18 Apr 2005 08:53:17 -0500 Message-ID: <87DBA06C9A5CB84B80439BA09D86E69EC081CB@MAIL01.austin.utexas.edu> X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: [FlyRotary] Re: New rotors, New housings Thread-Index: AcVDhJWqYMj0CNbvTS2jzfr035LthQAmKhmg From: "Mark R Steitle" To: "Rotary motors in aircraft" This is a multi-part message in MIME format. ------_=_NextPart_001_01C5441D.F96817E8 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable This has all the makings of a new cottage industry for someone with the right machinery. Rework the apex seal slots, maybe .025 - .030 oversize, with properly sized apex and side seals. Once you've built the tooling, these could be turned out in very little time. Any takers? Mark S. =20 =20 ________________________________ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Ed Anderson Sent: Sunday, April 17, 2005 2:35 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: New rotors, New housings =20 I do know that my worn slots measured 1.98 mm at the bottom and range from 2.16 to 2.26mm at the top - giving an out of vertical of from 0.18 to 0.28 mm. The specs say a maximum feeler gauge between an inserted apex seal and wall is given as 0.15mm, I could insert an 0.18 mm feeler in some and an 0.15mm in all. I don't think I would feel comfortable flying with a rotary in that shape (anymore {:>)). Putting them in an auto is a different story - if it breaks - park on side of the road rather than strain the eyeballs looking for an airpatch. =20 Ed A ----- Original Message -----=20 From: Echo Lake Fishing Resort (Georges Boucher) =20 To: Rotary motors in aircraft =20 Sent: Sunday, April 17, 2005 3:24 PM Subject: [FlyRotary] Re: New rotors, New housings =20 Ken I screwed up on reporting the rotor slot width, it should be 2.17 to 2.26mm not 2.017 to 2.026mm Georges=20 -------Original Message------- =20 From: Rotary motors in aircraft =20 Date: 04/17/05 07:51:53 To: Rotary motors in aircraft =20 Subject: [FlyRotary] Re: New rotors, New housings =20 =20 =20 -------------- Original message from keltro@att.net (Kelly Troyer): --------------=20 Georges, Are these numbers in reference to the apex seal slot taper from=20 the bottom of slot (2.017 mm) to the top of slot (2.026 mm) which is a taper of (.009 mm) or about 3.54 thousands here in the 48 ?? -- Kelly Troyer=20 Dyke Delta/13B/RD1C/EC2=20 =20 -------------- Original message from "Echo Lake Fishing Resort (Georges Boucher)" : --------------=20 Correction, the readings were 2.017 to 2.026mm Georges =20 =20 -------Original Message------- =20 From: Rotary motors in aircraft =20 Date: 04/16/05 19:05:31 To: Rotary motors in aircraft =20 Subject: [FlyRotary] Re: New rotors, New housings =20 Hi! Ken Do you you cut on a taper, where does your taper start? or do you just skim 0.015" off each side for a total of 0.030". I just measured the two rotors that were in a "GOOD" running 92 13b NA & got a reading of 0.017 to 0.026mm, I guess they are toast. =20 Georges Boucher -------Original Message------- =20 =20 =20 =20 =20 =20 =20 =20 =20 =20 =20 =20 =20 =20 =20 =09 ________________________________ No virus found in this outgoing message. Checked by AVG Anti-Virus. Version: 7.0.308 / Virus Database: 266.9.15 - Release Date: 4/16/2005 =09 ________________________________ >> Homepage: http://www.flyrotary.com/ >> Archive: http://lancaironline.net/lists/flyrotary/List.html ------_=_NextPart_001_01C5441D.F96817E8 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

This has all the makings of a new = cottage industry for someone with the right machinery.  Rework the apex = seal slots, maybe .025 - .030 oversize, with properly sized apex and side = seals.  Once you’ve built the tooling, these could be turned out in very little = time.  Any takers?

Mark S.  =     

 

From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Ed Anderson
Sent: Sunday, April 17, = 2005 2:35 PM
To: Rotary motors in = aircraft
Subject: [FlyRotary] Re: = New rotors, New housings

 

I do = know that my worn slots measured 1.98 mm at the bottom and range from 2.16 to 2.26mm = at the top - giving an out of vertical of from 0.18 to 0.28 mm.  The specs = say a maximum feeler gauge between an inserted apex seal and wall is given as = 0.15mm, I could insert an 0.18 mm feeler in some and an  0.15mm in all.   I don't think I would feel comfortable flying with a = rotary in that shape (anymore {:>)).  Putting them in an auto is a = different story - if it breaks - park on side of the road rather than strain = the eyeballs looking for an airpatch.

 

Ed = A

----- = Original Message -----

Sent: Sunday, April 17, 2005 3:24 PM

Subject: [FlyRotary] Re: New rotors, New housings

 

 Ken I screwed up on reporting the  rotor slot width, it should be 2.17 = to 2.26mm not 2.017 to 2.026mm

Georges 

-------Ori= ginal Message-------

 

Date: 04/17/05 = 07:51:53

Subject: = [FlyRotary] Re: New rotors, New housings

 

 

 

-------------- Original message from keltro@att.net (Kelly Troyer): --------------


Georges,

    Are these numbers in reference to the apex seal slot taper from =

the = bottom of slot (2.017 mm) to the top of slot (2.026 mm) = which

is = a taper of (.009 mm) or about 3.54 thousands here in the 48 = ??

--
Kelly Troyer
Dyke Delta/13B/RD1C/EC2


 

-------------- Original message from "Echo = Lake Fishing Resort (Georges Boucher)" = <echolakeresort@telus.net>: --------------

Correction, the readings were 2.017 to 2.026mm

Georges =  

 

-------Original = Message-------

 

Date: 04/16/05 19:05:31

Subject: [FlyRotary] Re: New rotors, New = housings

 

 Hi! = Ken

Do = you you cut on a taper, where does your taper start? or do you just skim 0.015" off each side for a total of 0.030". I just = measured the two rotors that were in a "GOOD" running 92 13b NA & = got a reading of 0.017 to 0.026mm, I guess they are = toast.

 

 Georges Boucher

-------Original = Message-------

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

No virus = found in this outgoing message.
Checked by AVG Anti-Virus.
Version: 7.0.308 / Virus Database: 266.9.15 - Release Date: = 4/16/2005

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