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11-09-2009, 03:10 PM
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Join Date: Aug 2005
Location: Lockwood (8 miles east of Reno), Nevada
Posts: 85
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Lyc O-360A1A Thrust bearing question?
I'm looking at the possibility of buying a crankshaft that has the thrust surface worn .001" beyond tolerance. Question: Does anyone here know of a specialty shop that can plate the thrust bearing face thicker to compensate for the worn thrust surface on the crankshaft?
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11-09-2009, 04:22 PM
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Join Date: Aug 2006
Location: Battle Ground, WA
Posts: 426
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Doesn't ECI use a thrust bearing?
Quote:
Originally Posted by Doug Rodrigues
I'm looking at the possibility of buying a crankshaft that has the thrust surface worn .001" beyond tolerance. Question: Does anyone here know of a specialty shop that can plate the thrust bearing face thicker to compensate for the worn thrust surface on the crankshaft?
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One of the engine manufacturers advertises that they use a thrust bearing. Don't know if it is the case, the crank thrust face or both that are machined to permit use of the thrust bearing. Might be a possibility.
Larry |
11-09-2009, 04:44 PM
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Join Date: Feb 2006
Location: Grand Prairie, Texas
Posts: 232
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Crankcase Services
Talk to Crankcase Services near Tulsa. They should be able to help you. They advertise in Trade A Plane. As I understand it, Lycoming does not use a thrust bearing as Continental does, but the thrust surface is part of the crankcase. They should be able to build it up for you.
__________________
Mike Gray, A&P IA, AET, KGPM, Grand Prairie, Texas
1956 Bonanza for sale.
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11-09-2009, 05:21 PM
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Join Date: Aug 2005
Location: Lockwood (8 miles east of Reno), Nevada
Posts: 85
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I learned something....
Yup, no thrust bearing in the Lyc O-360. What was I thinking? There has got to be some way to do this without making a making a major project out of it. Thank you all for the info. I'll make some phone calls.
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11-09-2009, 05:55 PM
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Join Date: Jun 2006
Location: 8I3
Posts: 3,562
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They can't plate the thrust face of the case, it can only be built up by welding then re-cutting the thrust face. I wouldn't worry about .001", just put the case and crank together and see what the crankshaft end play is.
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Please don't PM me! Email only!
Bob Japundza CFI A&PIA
N9187P PA-24-260B Comanche, flying
N678X F1 Rocket, under const.
N244BJ RV-6 "victim of SNF tornado" 1200+ hrs, rebuilding
N8155F C150 flying
N7925P PA-24-250 Comanche, restoring
Not a thing I own is stock.
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11-09-2009, 06:30 PM
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Join Date: Jan 2005
Location: SC
Posts: 12,887
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Quote:
Originally Posted by LarryT
One of the engine manufacturers advertises that they use a thrust bearing. Don't know if it is the case, the crank thrust face or both that are machined to permit use of the thrust bearing. Might be a possibility.
Larry
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Larry,
ECi offers it but you have use their case, I believe. Here is one of the lines from the engine I ordered:
Quote:
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Originally Posted by ECi
Crankcase with dynafocal I engine mount and thrust washer modification
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__________________
Bill R.
RV-9 (Yes, it's a dragon tail)
O-360 w/ dual P-mags
Build the plane you want, not the plane others want you to build!
SC86 - Easley, SC
www.repucci.com/bill/baf.html
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02-27-2010, 10:29 PM
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Join Date: Aug 2005
Location: Lockwood (8 miles east of Reno), Nevada
Posts: 85
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"HAROLD, CRANKCASE SERVICES, INC. IN SAND SPRINGS, OK. 918-857-1134 CELL/ANYTIME 866-276-6767 SHOP"
Harold at crankcase services sent me the above information, but I ended up buying another crankcase and crankshaft already. But anyway, Thanks Harold! Good information to know that somebody can do something about such a problem.
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