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  #1  
Old 11-05-2008, 09:24 PM
rrd1_99 rrd1_99 is offline
 
Join Date: Jun 2008
Location: La Grande OR
Posts: 85
Default O-320 B3B question
I have my eyes on a mid-time O-320 B3B removed from an Apache for horsepower upgrade. I know these were designed for use with a CS prop, but I plan to go fixed pitch. Is this engine easily modified to accomodate the FP prop?

Thanks for any help!

Roger
-9A slow QB
La Grande Oregon
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  #2  
Old 11-05-2008, 11:03 PM
Daverv6a Daverv6a is offline
 
Join Date: Dec 2005
Posts: 22
Default 0-320 B3B
Hi Roger, you can use the engine with a fixed pitched propeller just by punching a relief hole in the crank's back galley plug and then installing a galley plug at the front of the crank.
If you are building a nose gear aircraft, you may have to change or swap out the oil pan for one that mounts the carburetor further forward (to clear the engine mount/nose gear).

E mail if you have any other questions as I am using this engine in my rv6a

Davidahrens@sbcglobal.net
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  #3  
Old 11-06-2008, 05:17 AM
RV6_flyer's Avatar
RV6_flyer RV6_flyer is offline
 
Join Date: Jan 2005
Location: NC25
Posts: 3,503
Default
Quote:
Originally Posted by rrd1_99 View Post
I have my eyes on a mid-time O-320 B3B removed from an Apache for horsepower upgrade. I know these were designed for use with a CS prop, but I plan to go fixed pitch. Is this engine easily modified to accomodate the FP prop?

Thanks for any help!

Roger
-9A slow QB
La Grande Oregon
See Lycoming Service Instruction 1435 for the OFFICIAL way to convert.

http://www.lycoming.textron.com/supp...dfs/SI1435.pdf
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Gary A. Sobek
NC25 RV-6 Flying
3,400+ hours
Where is N157GS
Building RV-8 S/N: 80012

To most people, the sky is the limit.
To those who love aviation, the sky is home.
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  #4  
Old 11-07-2008, 06:26 AM
n700jl n700jl is offline
 
Join Date: Jan 2005
Location: McCordsville IN
Posts: 277
Default O-320-b
Roger,
I have an O-320-B for sale off of my RV-6. This engine is still installed now. I am building a kit engine now. I am selling everything firewall fwd. 317-201-8517.
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Jon Hubbell
RV-6 Flying IO-320X tip up 500+hrs G3X 2004 Oshkosh Outstanding workmanship award, 2004 Sun N Fun Best Workmanship 2006 Sun N Fun Outstanding Aircraft
RV-10 Flying IO-540-C4B5X 500+hrs G3X 2011 Bronze Lindy Award Winner
"Negative Ghostrider the pattern is full"
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  #5  
Old 11-07-2008, 06:37 AM
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rph142 rph142 is offline
 
Join Date: Feb 2007
Location: Walnut Creek CA
Posts: 513
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Jon sent you a pm...
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Rob Holmes
www.myrv3.com
N59LG
The minimum number of planes one should own is one. The correct number is n+1, where n is the number of planes currently owned. This equation may also be re-written as s-1, where s is the number of planes owned that would result in separation from your partner.

- Veluminati
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  #6  
Old 11-07-2008, 11:57 AM
CRW CRW is offline
 
Join Date: Sep 2006
Location: Rogersville, Tennessee (N.E. TN.)
Posts: 43
Default O-320 B3B
Roger,
Check your PM.

Regards,
Chuck
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