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12-14-2013, 05:29 PM
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Join Date: Dec 2004
Location: Gold Hill, NC25
Posts: 2,400
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assembly
Not unlike our getting ready for a run at riviting a surface, all the parts get set our on a bench ready to install.

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Kahuna
6A, S8 ,
Gold Hill, NC25
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12-14-2013, 05:33 PM
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Join Date: Dec 2004
Location: Gold Hill, NC25
Posts: 2,400
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Pistons
All pistons are the same weight.
Using piston pin & plug assemblies.. plugs are pressed into the pins eliminates plug wobble that sometimes fails on stock lycoming floating plugs

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Kahuna
6A, S8 ,
Gold Hill, NC25
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12-14-2013, 05:37 PM
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Join Date: Dec 2004
Location: Gold Hill, NC25
Posts: 2,400
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Gear terrain
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Kahuna
6A, S8 ,
Gold Hill, NC25
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12-14-2013, 05:40 PM
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Join Date: Dec 2004
Location: Gold Hill, NC25
Posts: 2,400
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Getting close
It wont be long now! Still have to button her up, get some cool paint on, and crate.

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Kahuna
6A, S8 ,
Gold Hill, NC25
Last edited by Kahuna : 12-14-2013 at 05:52 PM.
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12-14-2013, 05:50 PM
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Join Date: Dec 2005
Location: Mahomet, Illinois
Posts: 2,195
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Great thread, great pics .... thanx much !
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Terry Ruprecht
RV-9A Tip-up; IO-320 D2A
S. James cowl/plenum
(Dues paid thru Nov '18)
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12-14-2013, 06:46 PM
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Senior Curmudgeon
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Join Date: Sep 2005
Location: Dayton Airpark, NV A34
Posts: 15,420
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Quote:
Originally Posted by Kahuna
The crank is also Dynamically Spin Balanced. Counterweights Matched Weights.

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It would be interesting to see how they deal with the movable weights for the spin balance.
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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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12-15-2013, 09:06 AM
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Join Date: Dec 2005
Location: Sweden, 67" North
Posts: 68
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Did you plug the oil channel for the unused idle gear? was thinking on the same thing on my 360... 
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Dennis Isaksson
G?llivare, Sweden
Grew up with an RV-4, SE-XIO
Now: RV-8, Showplanes Fastback. #83218 Under construction, SE-XXO
Engine and avionic installation in progress
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12-15-2013, 09:08 AM
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Join Date: Dec 2004
Location: Gold Hill, NC25
Posts: 2,400
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Yes I sure did. An aluminum plug with an o-ring seal.
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Kahuna
6A, S8 ,
Gold Hill, NC25
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12-15-2013, 09:20 AM
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Join Date: Jan 2005
Location: 57AZ - NW Tucson area
Posts: 10,011
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Why is the yellow type around the lower part of the cylinders only?
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Gil Alexander
EAA Technical Counselor, Airframe Mechanic
Half completed RV-10 QB purchased
RV-6A N61GX - finally flying
Grumman Tiger N12GA - flying
La Cholla Airpark (57AZ) Tucson AZ
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12-15-2013, 09:25 AM
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Join Date: Jun 2006
Location: 8I3
Posts: 3,564
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Quote:
Originally Posted by Kahuna
This reduces, if not eliminates, those pesky leaks at the thru bolts and reduces the fretting of the cases. At assembly, the case halves get pulled together and the fit is at the dowels. An important item for the next overhauler to know! Since the case will not just fall apart when you remove the thru bolts.
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Actually this is an incorrect statement. The reason for the dowels are to bring those holes back up to size, not to prevent leaks. Actually adding a second path around the bushing increases the likelihood of a leak since now there are two paths for the oil to travel. They don't do that to make them stop leaking there. The o-ring counterbore mod is done to prevent leaks.
On the 540 there is an oversize thru bolt available so its just as good to ream the holes to .002 undersize for the larger thru bolt, and then you can counterbore for the o-ring.
So unless one could not ream to fit to size for an oversize thrubolt, I would not do this mod.
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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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