Return-Path: <echolakeresort@telus.net> Received: from [199.185.220.220] (HELO priv-edtnes56.telusplanet.net) by logan.com (CommuniGate Pro SMTP 4.3c3) with ESMTP id 880604 for flyrotary@lancaironline.net; Sat, 16 Apr 2005 22:09:58 -0400 Received-SPF: pass receiver=logan.com; client-ip=199.185.220.220; envelope-from=echolakeresort@telus.net Received: from boucher-oddle24 ([207.194.127.121]) by priv-edtnes56.telusplanet.net (InterMail vM.6.01.04.00 201-2131-118-20041027) with ESMTP id <20050417020911.ZWQA24710.priv-edtnes56.telusplanet.net@boucher-oddle24> for <flyrotary@lancaironline.net>; Sat, 16 Apr 2005 20:09:11 -0600 Received: from 127.0.0.1 (AVG SMTP 7.0.308 [266.9.13]); Sat, 16 Apr 2005 19:09:09 -0700 Message-Id: <4261C541.000021.02780@BOUCHER-ODDLE24> Date: Sat, 16 Apr 2005 19:09:05 -0700 (Pacific Standard Time) X-Mailer: IncrediMail (3001609) From: "Echo Lake Fishing Resort (Georges Boucher)" <echolakeresort@telus.net> References: <list-880600@logan.com> To: <flyrotary@lancaironline.net> Subject: Re: [FlyRotary] Re: New rotors, New housings X-FID: FLAVOR00-NONE-0000-0000-000000000000 X-Priority: 3 Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="=======AVGMAIL-4261C545041A=======" --=======AVGMAIL-4261C545041A======= Content-Type: Multipart/Alternative; boundary="------------Boundary-00=_5BJ2A0V2QL8000000000" --------------Boundary-00=_5BJ2A0V2QL8000000000 Content-Type: Text/Plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Correction, the readings were 2.017 to 2.026mm=0D Georges =0D =0D -------Original Message-------=0D =0D From: Rotary motors in aircraft=0D Date: 04/16/05 19:05:31=0D To: Rotary motors in aircraft=0D Subject: [FlyRotary] Re: New rotors, New housings=0D =0D Hi! Ken=0D Do you you cut on a taper, where does your taper start? or do you just sk= im 0.015" off each side for a total of 0.030". I just measured the two rotor= s that were in a "GOOD" running 92 13b NA & got a reading of 0.017 to 0.026= mm, I guess they are toast.=0D =0D Georges Boucher=0D -------Original Message-------=0D =0D From: Rotary motors in aircraft=0D Date: 04/16/05 18:54:27=0D To: Rotary motors in aircraft=0D Subject: [FlyRotary] Re: New rotors, New housings=0D =0D That's off each side, Rob at Pineapple racing takes 20 thousandths off each side but I figured the 15 should do it.=0D Ken=0D =0D =0D =0D =0D =0D =0D =0D =0D =0D Ken,=0D Is that all off the one side - that much off each side - or half off each side !?=0D George ( down under)=0D =0D I wouldn't think about putting an engine together without shaving the rot= ors I cut 15 thousandths of an inch at the tip and tapper it off to zero whe= re the blueing is.=0D =0D I have thought about running a RX-8 engine but I don't think the high compression would work well with the 100 hp increase of nitrous I require= to lift a heavy load out of the water.=0D Ken=0D =0D =0D =0D =0D =0D =0D Ed,=0D =0D Ken's comments reminds me to say that I remeasured the width of the RX8 rotor for a more accurate measurement and it appears after a number of measurements that the RX8 rotor are only slightly wider, this being .04mm= in the gear area and only .02mm at the apex.=0D =0D =0D =0D This I believe won't be a problem at the RPM and power settings we genera= lly use. However it would represent a small problem in Ken's application as h= e uses NOS at take-off and at that high power the E-shaft does flex a littl= e - this causes the rotors to skew slightly, binding at the apex areas. Ken already has this problem with the RX7 rotors and skims them to eliminate this problem. This is a remedy that many in the racing game use as well.=0D =0D =0D =0D I don't believe there's a problem with the single rotor application and = won t be skimming the rotor. =0D =0D =0D =0D Hope that helps!=0D =0D George ( down under)=0D =0D I would look into getting 85-85 GSELE rotors with the 3 mm seals, you would also need the weights to match them, then machine out your rotors f= or a spare engine, you may need one to bale you out in the future, if you ke= ep this up you may knock me off the seat as president of the dead stick club= =2E=0D =0D I am now running rotors machined out to 3 mm seals and at about 400 hrs= on them I can tell by checking through the exhaust port that the seal groove= s are getting V'ed out and getting sloppy so I am now putting another engin= e together, on this one the rotors are in prime shape so I think I will run Tracy's 2mm seals.=0D =0D Also I think that the groves may be hardened and by machining the groves out makes them softer as they shouldn't have worn out in only 400 hrs.=0D =0D Ken=0D =0D =0D =0D =0D =0D =0D =0D Well, the decision has been made. Thanks in part to the wife's continued interest in my warm body on cold winter nights, the decision has been ma= de to purchase new rotors and rotor housings. $$ but apparently I am worth = it {:>)=0D =0D =0D =0D =0D I looked into milling out the slots to 3mm and that would have been the cheaper approach - but cheap approach is probably partly responsible for = me being in this situation - so going to try a different approach this time.= =20 Besides leery of using a rotor which clearly has been subjected to sufficient loads to scrape metal off its surface and peen over apex slot.= =0D =0D =0D =0D =0D In the process of getting quotes.=0D =0D =0D =0D =0D Ed=0D =0D =0D =0D =0D Ed Anderson=0D Rv-6A N494BW Rotary Powered=0D Matthews, NC=0D eanderson@carolina.rr.com=0D =0D =0D =0D =0D =0D =0D >> Homepage: http://www.flyrotary.com/=0D >> Archive: http://lancaironline.net/lists/flyrotary/List.html=0D =0D =0D =0D =0D =0D =0D =20 --------------Boundary-00=_5BJ2A0V2QL8000000000 Content-Type: Text/HTML; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable <HTML><HEAD> <META http-equiv=3DContent-Type content=3D"text/html; charset=3Diso-8859-= 1"> <META content=3D"IncrediMail 1.0" name=3DGENERATOR></HEAD> <BODY style=3D"BACKGROUND-POSITION: 0px 0px; FONT-SIZE: 12pt; MARGIN: 5px= 10px 10px; FONT-FAMILY: Arial" bgColor=3D#ffffff background=3D"" scroll=3D= yes ORGYPOS=3D"0"> <TABLE id=3DINCREDIMAINTABLE cellSpacing=3D0 cellPadding=3D2 width=3D"100= %" border=3D0> <TBODY> <TR> <TD id=3DINCREDITEXTREGION style=3D"FONT-SIZE: 12pt; CURSOR: auto; FONT-F= AMILY: Arial" width=3D"100%"> <DIV>Correction, the readings were 2.017 to 2.026mm</DIV> <DIV>Georges </DIV> <DIV> </DIV> <DIV id=3DIncrediOriginalMessage><I>-------Original Message-------</I></D= IV> <DIV> </DIV> <DIV id=3Dreceivestrings> <DIV dir=3Dltr style=3D"FONT-SIZE: 11pt" <i><B>From:</B></I> <A href=3D"m= ailto:flyrotary@lancaironline.net">Rotary motors in aircraft</A></DIV> <DIV dir=3Dltr style=3D"FONT-SIZE: 11pt" <i><B>Date:</B></I> 04/16/05 19:= 05:31</DIV> <DIV dir=3Dltr style=3D"FONT-SIZE: 11pt" <i><B>To:</B></I> <A href=3D"mai= lto:flyrotary@lancaironline.net">Rotary motors in aircraft</A></DIV> <DIV dir=3Dltr style=3D"FONT-SIZE: 11pt" <i><B>Subject:</B></I> [FlyRotar= y] Re: New rotors, New housings</DIV></DIV> <DIV> </DIV> <TABLE id=3Dmod_EDIMAINTABLE cellSpacing=3D0 cellPadding=3D2 width=3D"100= %" border=3D0> <TBODY> <TR> <TD id=3Dmod_EDITEXTREGION style=3D"FONT-SIZE: 12pt; CURSOR: auto; FONT-F= AMILY: Arial" width=3D"100%"> <DIV> Hi! Ken</DIV> <DIV>Do you you cut on a taper, where does your taper start? or do you ju= st skim 0.015" off each side for a total of 0.030". I just measured the t= wo rotors that were in a "GOOD" running 92 13b NA & got a reading of = 0.017 to 0.026mm, I guess they are toast.</DIV> <DIV> </DIV> <DIV> Georges Boucher</DIV> <DIV id=3DIncrediOriginalMessage><I>-------Original Message-------</I></D= IV> <DIV> </DIV> <DIV id=3Dreceivestrings> <DIV dir=3Dltr style=3D"FONT-SIZE: 11pt" <i><B>From:</B></I> <A href=3D"m= ailto:flyrotary@lancaironline.net">Rotary motors in aircraft</A></DIV> <DIV dir=3Dltr style=3D"FONT-SIZE: 11pt" <i><B>Date:</B></I> 04/16/05 18:= 54:27</DIV> <DIV dir=3Dltr style=3D"FONT-SIZE: 11pt" <i><B>To:</B></I> <A href=3D"mai= lto:flyrotary@lancaironline.net">Rotary motors in aircraft</A></DIV> <DIV dir=3Dltr style=3D"FONT-SIZE: 11pt" <i><B>Subject:</B></I> [FlyRotar= y] Re: New rotors, New housings</DIV></DIV> <DIV> </DIV> <DIV> That's off each side, Rob at Pineapple racing takes 20 = thousandths off each side but I figured the 15 should do it.</DIV> <DIV> Ken</DIV> <DIV><BR></DIV> <DIV><BR></DIV> <DIV><BR></DIV> <DIV><BR></DIV> <DIV type=3D"cite" cite> </DIV> <DIV type=3D"cite" cite><FONT color=3D#0000ff>Ken,</FONT></DIV> <DIV type=3D"cite" cite><FONT color=3D#0000ff>Is that all off the one sid= e - that much off each side - or half off each side !?</FONT></DIV> <DIV type=3D"cite" cite><FONT color=3D#0000ff>George ( down under)</FONT>= </DIV> <DIV type=3D"cite" cite> </DIV> <DIV type=3D"cite" cite><FONT color=3D#0000ff>I wouldn't think about putt= ing an engine together without shaving the rotors, I cut 15 thousandths o= f an inch at the tip and tapper it off to zero where the blueing is.</FON= T><BR> <DIV><FONT color=3D#0000ff> I have thought about running a RX-8 eng= ine but I don't think the high compression would work well with the 100 h= p increase of nitrous I require to lift a heavy load out of the water.</F= ONT></DIV> <DIV><FONT color=3D#0000ff> Ken</FONT></DIV> <DIV><BR></DIV> <DIV><BR></DIV> <DIV><BR> <DIV type=3D"cite" cite><FONT face=3DArial size=3D-1>Ed,</FONT><BR></DIV>= </DIV> <DIV> <DIV><FONT face=3DArial size=3D-1>Ken's comments reminds me to say that I= remeasured the width of the RX8 rotor for a more accurate measurement an= d it appears after a number of measurements that the RX8 rotor are only s= lightly wider, this being .04mm in the gear area and only .02mm at the ap= ex.</FONT><BR></DIV> <DIV> <BR></DIV> <DIV><FONT face=3DArial size=3D-1>This I believe won't be a problem at th= e RPM and power settings we generally use. However it would represent a s= mall problem in Ken's application as he uses NOS at take-off and at = that high power the E-shaft does flex a little - this causes the rotors t= o skew slightly, binding at the apex areas. Ken already has this problem = with the RX7 rotors and skims them to eliminate this problem. T= his is a remedy that many in the racing game use as well.</FONT><BR></DIV= > <DIV> <BR></DIV> <DIV><FONT face=3DArial size=3D-1> I don't believe there's a problem= with the single rotor application and won't be skimming the rotor. = </FONT><BR></DIV> <DIV> <BR></DIV> <DIV><FONT face=3DArial size=3D-1>Hope that helps!</FONT><BR></DIV> <DIV><FONT face=3DArial size=3D-1>George ( down under)</FONT><BR> <DIV> I would look into getting 85-85 GSELE rotors with the 3 mm se= als, you would also need the weights to match them, then machine out your= rotors for a spare engine, you may need one to bale you out in the futur= e, if you keep this up you may knock me off the seat as president of the = dead stick club.<BR></DIV> <DIV> I am now running rotors machined out to 3 mm seals and at abo= ut 400 hrs on them I can tell by checking through the exhaust port that t= he seal grooves are getting V'ed out and getting sloppy so I am now putti= ng another engine together, on this one the rotors are in prime shape so = I think I will run Tracy's 2mm seals.<BR></DIV> <DIV> Also I think that the groves may be hardened and by machining = the groves out makes them softer as they shouldn't have worn out in only = 400 hrs.<BR></DIV> <DIV> Ken<BR></DIV> <DIV><BR></DIV> <DIV><BR></DIV> <DIV><BR> <DIV type=3D"cite" cite><FONT face=3DArial size=3D-1>Well, the decision h= as been made. Thanks in part to the wife's continued interest in my= warm body on cold winter nights, the decision has been made to pur= chase new rotors and rotor housings. $$ but apparently I am worth i= t {:>)</FONT><BR></DIV></DIV></DIV></DIV> <DIV> <DIV> <DIV> <DIV><BR> <BR></DIV> <DIV><FONT face=3DArial size=3D-1>I looked into milling out the slots to = 3mm and that would have been the cheaper approach - but cheap approach is= probably partly responsible for me being in this situation - so going to= try a different approach this time. Besides leery of using a rotor= which clearly has been subjected to sufficient loads to scrape metal off= its surface and peen over apex slot.</FONT><BR></DIV> <DIV><BR> <BR></DIV> <DIV><FONT face=3DArial size=3D-1>In the process of getting quotes.</FONT= ><BR></DIV> <DIV><BR> <BR></DIV> <DIV><FONT face=3DArial size=3D-1>Ed</FONT><BR></DIV> <DIV><BR> <BR></DIV> <DIV><FONT face=3DArial size=3D-1>Ed Anderson<BR>Rv-6A N494BW Rotary Powe= red<BR>Matthews, NC<BR></FONT><A href=3D"mailto:eanderson@carolina.rr.com= "><FONT face=3DArial size=3D-1>eanderson@carolina.rr.com</FONT></A><BR></= DIV></DIV></DIV></DIV> <DIV><BR></DIV> <DIV> <HR> </DIV> <DIV>>> Homepage: http://www.flyrotary.com/<BR>>>= Archive: http://lancaironline.net/lists/flyrotary/List= =2Ehtml</DIV></DIV> <DIV><BR></DIV> <DIV> </DIV></TD></TR> <TR> <TD id=3Dmod_EDIFOOTER width=3D"100%"> <TABLE cellSpacing=3D0 cellPadding=3D0 width=3D"100%"> <TBODY> <TR> <TD width=3D"100%"></TD> <TD id=3Dmod_EDISOUND vAlign=3Dbottom align=3Dmiddle></TD> <TD id=3Dmod_EDIANIM vAlign=3Dbottom align=3Dmiddle></TD></TR></TBODY></T= ABLE></TD></TR></TBODY></TABLE> <DIV> </DIV></TD></TR> <TR> <TD id=3DINCREDIFOOTER width=3D"100%"> <TABLE cellSpacing=3D0 cellPadding=3D0 width=3D"100%"> <TBODY> <TR> <TD width=3D"100%"></TD> <TD id=3DINCREDISOUND vAlign=3Dbottom align=3Dmiddle></TD> <TD id=3DINCREDIANIM vAlign=3Dbottom align=3Dmiddle></TD></TR></TBODY></T= ABLE></TD></TR></TBODY></TABLE></BODY></HTML> --------------Boundary-00=_5BJ2A0V2QL8000000000-- --=======AVGMAIL-4261C545041A======= Content-Type: text/plain; x-avg=cert; charset=us-ascii Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Content-Description: "AVG certification" No virus found in this outgoing message. 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