X-CGP-ClamAV-Result: CLEAN X-VirusScanner: Niversoft's CGPClamav Helper v1.23.0 (ClamAV engine v0.103.0) From: "lehanover lehanover@aol.com" Received: from sonic305-22.consmr.mail.ne1.yahoo.com ([66.163.185.148] verified) by logan.com (CommuniGate Pro SMTP 6.2.14) with ESMTPS id 1273917 for flyrotary@lancaironline.net; Wed, 03 Mar 2021 15:23:39 -0500 Received-SPF: pass receiver=logan.com; client-ip=66.163.185.148; envelope-from=lehanover@aol.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=aol.com; s=a2048; t=1614803002; bh=ONF7vtuZyBr6I/AqmRMePEvAygt82LRJahlqE4tB/oM=; h=Date:From:Reply-To:To:In-Reply-To:References:Subject:From:Subject:Reply-To; b=Q2tIkrfiNf2RympStV3PDYi56U+MQUmNdOgyU4pLY3jCAkW42TSEJYoY0jvM9xE1jw64mBiEZUKDATCpmMnmWwF7oi1sREhjOZQQ+FXqtL/gu0QpQcXb0XPaRhsMc+zSiAWN/CubPjkQv69mh/gADusHtmXxE3NARUztNGisE9ey747qdOHhfcxq+AjOv3r60lDBDLp51phck9m9RjRA7m9SF70IvO+sNcVcIbltmP9JgQC4QDO4Vk/0DBpa7TK2eTG9QYeVIKZ4rQzhTFQo92012dYjJfnFqZS57s2pDARFjrZf0Pvw+SvxtKSmlFdW4unj7j51/RVYyr9rbz/9Jw== X-SONIC-DKIM-SIGN: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1614803002; bh=S+64/vOuGWlSqSRmhMIO748Ad7ttS/vVh08g7QgXrC6=; h=X-Sonic-MF:Date:From:To:Subject:From:Subject; b=IvoJNn4xAlK5MrwHHGUFU8DQZ7L5JJlVma6fYyXOPQvHO1idaRq+D95agoZXHwHDsvAPc8oMR58bqSkNSWPTgDaSLHhlj9qg6CmOK2x7FOiszYr4yXjNjOn8cyxRkKSevw5fOUz444lsXlpYW4xxT+TGjRGqEG9LUgFxt5ol4juAdEoLzGeSbB0Tg9YrgGWFFjDxOAOndjzEZzQEhqGz8cXJbgj5qznXO/7KioNcqFtKFh5PMNhBcAl/5QGGt1yXs9cBIx8sqsWEMAAzRxGPnz/kefmo7Du/qAm4eNc8XYIs7B01DxK8ZAjl1+/QaVJQ/Fz3PVXh0RPT8zbOD+LVsQ== X-YMail-OSG: .rOFTD8VM1ljAmS4tjaH.FJXKtPyLbZjkna84pgGM.Ba6asOUNEMN8yJEsALQIk 0I24ITthRsWgx_.ChTiPxVoHPDMtw1LoxnGOxdZDIGEdbIjKOmEJpz1nZa2BChZwleK0vB60mJcy AN.bdQ6Z5vFxg0YbAZVzsqyLmgTwcmT20IvcPUvPgjmL2TVEGFTN56nFsV0qMJMHBhjwvNRwXozs HUhlIITt0dxrq4kKto0IzdUBTu7fX.3_gg3Av0ByP2YiR7qed4UzlAi2nFB_m8.DI6BevSUBY1ri n.XOL1KZQPmttcT8EWY.9th7LZF5ZOwqBa31kJXRBhdojKBgMGoUKr6zIZKfF0iQINEs8leDHItX 3kMSmEOOI.H5gRHVDHhwrYGKNUoD1JTEjywrxqVrE59ViX5kgWkF0bC_0tHnYE2KUn76eFLRFAKZ IuhUmSV8gedObAswH2RmlXc2Dm2.Et34xMluXfiaAp9ea6kPkFvaLvqMucaFU6k2qbC9niUkpt1_ hH26uhCrdmo115MkNOPNlGQTRSd.TgMdLen5nOVMLE46yBpoU2Vyh1xoLKsF8MvPck2ec7ADFFYz z.AdlSCNdliec6x0t._Zt7nGBAM5y5TCXUBU.U9mxsL0qPI_WW7In632I60xq1DHU_6Pyx4wq1Cr PRSO52ZRo84A35WzIzoW6YG.XsgPewpMI2nbIJjXu7sPW_tHvsQOFgUUtLFrdsNsBETqXOwBQkJa 7FptxaMGMV87SQnZPLIoy.wZ0ekRwiY0oXtfKZbuvYIxPHkPP4ekDnLvNLwQmAGfDfcQBpt6Dghe .b7lhPpxJ6GxhYpnASnooEZRSDO0xWlqklWBJUoflvqPgBPKKbfGfFDN3JhpOssTs.r2PDyUKpPq n9zH8sYyDf15beidHDEmsULQFkSg32kY8WQXRmMXqkMGDsJwYHPhTffj6tdENi7OfYZuOy9bmGsv q60s.CSp7jgkyPKDAaEVU5ND24j2YF5P_QCC4Y2vQfB3kjjvgrUHl9oxRG3rXejRFeMUOdd8nY3S J81n5PwIsM0vWqEEb2mQjahabKWHI__sLKT5HAh6O..8uHq44Zz3cDsbvuAfOjRWMrlLY.QdDmai w.N5TSWAEYF6ZFN92xK7gN7Nh3C5J2DTBV_.Y3HF_kqz4Gf6mSzHQFDN4yxBTaqHmvQ5FRpre4gx _GwCO9GAuqlN84w5If7EHB0qJjuyN.diCPXm.GNwiBmzqFQdFpH8JIAohC3vWzFRxNB9D1qNE8mh v.Umc6rNkXitP2akxr0SWxU0b6ZFUQ_GRYwOu3kRyWUPDT90LZ2iDEXCMyay3rQd68aOWMQ7aTUu UjZRiThHWFTXg_BokWwbZu.GrK4AxXm65K8Rt2RZtwDuwGy3h83kQrrbXHd4KBww3OiErEN7B1B4 2BJYGe8VxUhIo7aETGmorgXGD23Dpu.HbJV46dUgWRLtxxqc1aWEjTL6_oQlY5bGvas6dvAu6UYZ on7WzCb7MpEyhmLA7ZgRO7G4M_uBly2sbroIy4.qznn7i78NRihBgWGrdulUC3wybu9s._HmNe_Q E6omoeY8Rrw3vgKzQEnM9UuybHHWoiPgsUn4Ph9fEafmPajC.g0dzLq6tFqSvK0BObd8QZfrGDJ0 Hl5Ggyjwe4D8qGsgS_0OuWNhTMoOS7LDeAvQZn1eEHFy.JlRuO8lSvZ.7HU7WqSaoozBWsoUJr1g 3aHtGJO0WL_SkGgMRgZyYucjDnL6B4JsEEikBEJ59F1UDyqk6XVtAlWM.457BJf3k50lY17Q3Z1m Is3TUG29D2rcw7v.OguhGihJLrZ6vwuW3yB.ifzU3KoOLeqAm8ezdzt_S4xod.p4LAmzazxmpMN_ Kunal8rDZ.4p4nHdkfaSXPy42FYmZpdWHsBFhOHQNowl7I1Ox_iZQ4EA5Yxby8ovpy.9a6wmK2.H A4Hw0xXTZvDC_YrGOraKAOO82YRlR_amDYWpAFtweGckYjfC8sK6LpvgTTDPjK8pvJy_sBcwXpZe MPnuVQctdRoGUoFf6PaZQC46stHyvViBfcrTRI17li1srT_9wis1ccIvaJi5O0X84.5Kyz9DYqpm 386RtbeeWj7Do9HRaBKbF8Cah4SPGI_p3sCYd4DowvhXlHhfWzae96fE2LQWhjtlurZU_NXjEhlF 1VUiuvgZ7mwquAUHlOGo1KfMVU2Pd9h0rJS7Sxbufl8CwvM4P8C.tNlLmuqvXezC5VCAJRHAYcAL 3DUQFu9SkdlqcNnqRLva1ZhpETka14TmvNqT5nv218go_YEXWy6pjW22nbCusVd0Uy2sWYW1yFKi gQ9Gfb0eAMcZxJ_oIBnsr8nPbj9oU80ctvsrEGf9AvdaMjWMhXtF8jJns2SoTvlbtpFqetljs8au ozoqgNp0- X-Sonic-MF: Received: from sonic.gate.mail.ne1.yahoo.com by sonic305.consmr.mail.ne1.yahoo.com with HTTP; Wed, 3 Mar 2021 20:23:22 +0000 Date: Wed, 3 Mar 2021 20:23:18 +0000 (UTC) Reply-To: lehanover To: flyrotary@lancaironline.net Message-ID: <2109255260.184375.1614802998987@mail.yahoo.com> In-Reply-To: References: Subject: Re: [FlyRotary] Re: RD-1C input shaft oil seal MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="----=_Part_184374_1252129705.1614802998986" X-Mailer: WebService/1.1.17712 aolloki unknown Content-Length: 21472 ------=_Part_184374_1252129705.1614802998986 Content-Type: multipart/alternative; boundary="----=_Part_184373_747392002.1614802998931" ------=_Part_184373_747392002.1614802998931 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable For nearly every oil seal there is a double lip oil seal that fits in the s= ame space.=C2=A0 I used these on rotary engines and transmissions. I also i= nstalled a thin "O" ring in the base of each hole so no matter what might h= appen, the seal would always seal. A seal retainer also was applied so that= the seal could not move out of the cavity any amount at all.=C2=A0 When us= ing a double lip seal, add a bit of synthetic grease between the lips so th= at both lips are lubricated always.=C2=A0 On the main seal I shortened the = spring a bit to add a bit more pressure.=C2=A0=C2=A0My engines did not leak= at all but a failed side seal or oil scraper can suddenly dump sump gasses= or oil into the case.=C2=A0 Better a few more minutes of power than not.= =C2=A0 I also glued them in with GE 100% tub and tile caulk.=C2=A0I had one= oil seal escape the tail shaft of a transmission early in life. The tranns= got real hot, the hole got bigger than the seal, the seal fell out. The tr= ans lost all of it's oil. I lost the transmission.=C2=A0=C2=A0Rotaries requ= ire a crank case breather to keep such loading off of the seals. Actual air= planes have such breather separators.=C2=A0 Excessive blow by can turn seal= s inside out and ruin a day, or just generate annoying leaks.=C2=A0Lynn E. = Hanover=C2=A0=C2=A0=C2=A0=C2=A0In a message dated 2/26/2021 9:00:38 AM East= ern Standard Time, flyrotary@lancaironline.net writes:=C2=A0 Finn, =C2=A0 Steve posted a picture of three different 5mm bearings back in 2019. The AZ= K35525 I ordered and received has a bronze inner and steel outer race. I ha= ve no idea on the oil seals.=20 =C2=A0 Bobby =C2=A0 From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net]=20 Sent: Thursday, February 25, 2021 3:28 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: RD-1C input shaft oil seal =C2=A0 Thanks Bobby! When I Google AZK35525 most pictures don't show any races. Not included? Any significant difference between the Timken and National 350909 seals? Finn On 2/25/2021 3:59 PM, Bobby Hughes BHughes@qnsinc.net wrote: Finn, =C2=A0 A few us are / were using the bearing Steve identified. I had 34.5 hours on= the new bearing when I sold the RV10. The bearing still look new.=20 =C2=A0 | =C2=A0 |=20 5MM needle cage assy=C2=A0 bronze inner race / steel outer race 35mm=C2=A0= =C2=A0=C2=A0 AZK35525 |=20 35mm |=20 52mm |=20 5mm |=20 =C2=A0 |=20 7000 rpm | =C2=A0 My oil seal was leaking and replaced at the same time as the 5MM bearing. T= he leak was only detectable at idle. A small streak of oil was form below t= he seal. In flight the oil would blow everywhere making it impossible to lo= cated the source.=20 =C2=A0 |=20 350909 |=20 Rear Oil Seal=C2=A0 National Oil Seal | =C2=A0 =C2=A0 Bobby =E2=80=93 S21 kit has arrived.=20 =C2=A0 From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net]=20 Sent: Thursday, February 25, 2021 12:46 PM To: Rotary motors in aircraft Subject: [FlyRotary] RD-1C input shaft oil seal =C2=A0 So there's a bunch of posts of input shaft oil seal failures. But what is the recommended oil seal? I think I've traced my oil leak to that. (Tricky because found drops on=20 fittings near oil filter base after last flight. But after wrapping=20 paper towels around the fittings and doing a ground run-up, only traces=20 of oil is on the outside of them -- likely slung up from the input shaft). On a different note. January last year I bought a=C2=A0 =E2=80=9CINA 81107T= N=20 Cylindrical Roller Thrust Bearing, Polyamide Nylon Cage, Open End,=20 Metric, 35mm ID, 52mm OD, 12mm Width, 6500rpm Maximum Rotational Speed=E2= =80=9D=20 on Amazon for $18.40 to replace the input thrust bearings on my RV-3B.=20 (The stacked bearings are cutting a groove in the shaft.) Now the same=20 bearing set costs $135 and up. WTF! Did find SKF 81107TN on eBay for=20 $30.50. But dang! No inflation? Finn --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus -- Homepage: http://www.flyrotary.com/ Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.h= tml =C2=A0 Disclaimer The information contained in this communication from the sender is confiden= tial. It is intended solely for use by the recipient and others authorized = to receive it. If you are not the recipient, you are hereby notified that a= ny disclosure, copying, distribution or taking action in relation of the co= ntents of this information is strictly prohibited and may be unlawful. This email has been scanned for viruses and malware, and may have been auto= matically archived by Mimecast Ltd, an innovator in Software as a Service (= SaaS) for business. Providing a safer and more useful place for your human = generated data. Specializing in; Security, archiving and compliance. To fin= d out more Click Here. =C2=A0 =C2=A0 |=20 |=20 This email has been checked for viruses by Avast antivirus software.=20 www.avast.com=20 | -- Homepage:=C2=A0 http://www.flyrotary.com/ Archive and UnSub:=C2=A0 http://mail.lancaironline.net:81/lists/flyrotary/L= ist.html ------=_Part_184373_747392002.1614802998931 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
For nearly every oil seal there is a double lip oil s= eal that fits in the same space.  I used these on rotary engines and t= ransmissions. I also installed a thin "O" ring in the base of each hole so = no matter what might happen, the seal would always seal. A seal retainer al= so was applied so that the seal could not move out of the cavity any amount= at all.  When using a double lip seal, add a bit of synthetic grease = between the lips so that both lips are lubricated always.  On the main= seal I shortened the spring a bit to add a bit more pressure. =
 
My engines did not leak at all but a failed side seal= or oil scraper can suddenly dump sump gasses or oil into the case.  B= etter a few more minutes of power than not.  I also glued them in with= GE 100% tub and tile caulk.
 
I had one oil seal escape the tail shaft of a transmi= ssion early in life. The tranns got real hot, the hole got bigger than the = seal, the seal fell out. The trans lost all of it's oil. I lost the transmi= ssion. 
 
Rotaries require a crank case breather to keep such l= oading off of the seals. Actual airplanes have such breather separators.&nb= sp; Excessive blow by can turn seals inside out and ruin a day, or just gen= erate annoying leaks.
 
Lynn E. Hanover 
 
 
 
In a message dated 2/26/2021 9:00:38 AM Eastern Standard Time, flyrotary@la= ncaironline.net writes:
 

Finn,

 

Steve posted a picture of three different 5mm bearings back in = 2019. The AZK35525 I ordered and received has a bronze inner and steel oute= r race. I have no idea on the oil seals.

 

Bobby

 

From: Rotary motors in aircraft [mailto:flyrotary@lancair= online.net]
Sent: Thursday, February 25, 2021 3:28 PM<= br>To: Rotary motors in aircraft
Subject: [FlyRotary] Re: RD-1C input shaft oil seal

 

Thanks Bobby!

When I Google AZK35525 most pictures don't show any races. Not included?
=
Any significant difference between the Timken and National 350909 seal= s?

Finn

On 2/25/2021 3:59 PM, Bobby Hughes = BHughes@qnsinc.net wrote:

Finn,

 

A few us are / were using the bearing Steve identified. I had 3= 4.5 hours on the new bearing when I sold the RV10. The bearing still look n= ew.

 

 

5MM needle cage assy  bronze inner= race / steel outer race 35mm    AZK35525

35mm

52mm

5mm

 

7000 rpm=

 

My oil seal was leaking and replaced at the same time as the 5M= M bearing. The leak was only detectable at idle. A small streak of oil was = form below the seal. In flight the oil would blow everywhere making it impo= ssible to located the source.

 

350909

Rear Oil Seal  National Oil Seal

 

 

Bobby – S21 kit has arrived.

 

 

So there's a bunch of posts of input sh= aft oil seal failures.

But what is the recommended oil seal?

= I think I've traced my oil leak to that. (Tricky because found drops on fittings near oil filter base after last flight. But after wrapping
pa= per towels around the fittings and doing a ground run-up, only traces
o= f oil is on the outside of them -- likely slung up from the input shaft).
On a different note. January last year I bought a  “INA 81= 107TN
Cylindrical Roller Thrust Bearing, Polyamide Nylon Cage, Open End= ,
Metric, 35mm ID, 52mm OD, 12mm Width, 6500rpm Maximum Rotational Spee= d”
on Amazon for $18.40 to replace the input thrust bearings on m= y RV-3B.
(The stacked bearings are cutting a groove in the shaft.) Now = the same
bearing set costs $135 and up. WTF! Did find SKF 81107TN on eB= ay for
$30.50. But dang! No inflation?

Finn


---
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Disclaimer

The information contai= ned in this communication from the sender is confidential. It is intended s= olely for use by the recipient and others authorized to receive it. If you = are not the recipient, you are hereby notified that any disclosure, copying= , distribution or taking action in relation of the contents of this informa= tion is strictly prohibited and may be unlawful.

This email has been= scanned for viruses and malware, and may have been automatically archived = by Mimecast Ltd, an innovator in Software as a Service (Sa= aS) for business. Providing a safer and more usefu= l place for your human generated data. Specializing in; Security, = archiving and compliance. To find out more Click= Here.

 

 =

3D"Im=

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