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08-21-2013, 01:00 PM
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Join Date: Oct 2012
Location: New Ulm, Minnesota
Posts: 283
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Propeller Shaft Seal????
Does anyone know the diameter of a Lycoming 320 propeller shaft so I can purchase a seal . Also I would llike to know what the diameter of the hole that the seal sets in on the motor...
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Robin Mckee
New Ulm, MN 56073
RV3b N219BB
420 hours and counting 
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08-21-2013, 01:11 PM
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Senior Curmudgeon
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Join Date: Sep 2005
Location: Dayton Airpark, NV A34
Posts: 15,408
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Are you planning on getting something other than Lyc part???
Regular automotive etc. seals will probably not work, as the seal has to stretch over the prop flange.
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Mike Starkey
VAF 909
Rv-10, N210LM.
Flying as of 12/4/2010 
Phase 1 done, 2/4/2011
Sold after 240+ wonderful hours of flight.
"Flying the airplane is more important than radioing your plight to a person on the ground incapable of understanding or doing anything about it."
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08-21-2013, 01:13 PM
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Join Date: May 2006
Location: Houston
Posts: 2,010
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Quote:
Originally Posted by Mike S
Are you planning on getting something other than Lyc part???
Regular automotive etc. seals will probably not work, as the seal has to stretch over the prop flange.
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Yep - been there done that 6-8 times. Buy the Lyc (or equal) seal. And follow the prescribed installation procedure. There are split seals available (can split it yourself). Works 99.99% as good as a 1 piece if done right, and much easier to install. |
08-21-2013, 01:14 PM
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Join Date: Apr 2008
Location: Lake Havasu City AZ
Posts: 2,390
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Seal
This is a Lycoming part, you do not need sizes. Two types, split or solid. If you have a two piece retaining plate with four bolts it is likely split type. There are oversizes on the outside diameter.
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08-21-2013, 03:07 PM
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VAF Moderator / Line Boy
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Join Date: Jan 2005
Location: Dayton, NV
Posts: 12,245
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Not everyone flies behind a Lycoming guys - I think this is a unique engine installaiton if I rememebr corectly. Unfortunately, I don't know the measurements he needs, but maybe someone else can actually give him the dimensions he seeks.
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Paul F. Dye
Editor at Large - KITPLANES Magazine
RV-8 - N188PD - "Valkyrie"
RV-6 (By Marriage) - N164MS - "Mikey"
RV-3B - N13PL - "Tsamsiyu"
A&P, EAA Tech Counselor/Flight Advisor
Dayton Valley Airpark (A34)
http://Ironflight.com
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08-21-2013, 03:22 PM
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Join Date: Feb 2008
Location: Pensacola, FL
Posts: 374
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Feed it!
Any Navy guys remember that joke? "go feed the shaft seal"???
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RV-? in planning stages.
RV-14 #140050 SOLD
Permanently willing to contribute fuel for RV rides
Helicopter ATP/CFI(I)
ASEL/AMEL Commercial/Inst/CFI(I)
Aerobatic Instruction available
Atlanta based.
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08-21-2013, 04:15 PM
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Join Date: Sep 2005
Location: Dothan, Alabama
Posts: 1,487
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Quote:
Originally Posted by LAMPSguy
Any Navy guys remember that joke? "go feed the shaft seal"???
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Yup! Those and the Naughas.
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Alton DeWeese
N526RV RV7A Tip Up, IO360 180 W/Hartzel BA prop.
Flying ~950 hours since Aug 2010
N4IDH
Construction Log
?The secret of getting ahead is getting started. The secret of getting started is breaking your complex overwhelming tasks into small manageable tasks, and then starting on the first one.?
?Mark Twain
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08-22-2013, 06:03 AM
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Join Date: Jul 2007
Location: Keller, TX
Posts: 1,553
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Quote:
Originally Posted by LAMPSguy
Any Navy guys remember that joke? "go feed the shaft seal"???
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I can't remember if you feed it with a bucket of steam or relative bearing grease!
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RV-8 180 hp IO-360 N247TD with 10" SkyView!
VAF Donations Made 8/2019 and 12/2019
"Cum omni alio deficiente, ludere mortuis."
(When all else fails, play dead.)
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08-22-2013, 07:46 AM
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Join Date: Mar 2005
Location: DVT Phoenix
Posts: 1,187
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08-22-2013, 07:48 AM
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Join Date: Nov 2005
Location: Asheville, NC
Posts: 2,690
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Quote:
Originally Posted by AltonD
Yup! Those and the Naughas.
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I'm not Navy but my son is.
I assume the above is where the hides are grown?
My son did comment on the common search for CPO nuts in the maintenance hangar.
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Bill Pendergrass
ME/AE '82
RV-7A: Flying since April 15, 2012. 850 hrs
YIO-360-M1B, mags, CS, GRT EX and WS H1s & A/P, Navworx
Unpainted, polished....kinda'... Eyeballin' vinyl really hard.
Yeah. The boss got a Silhouette Cameo 4 Xmas 2019.
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