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08-22-2012, 09:45 AM
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Join Date: Apr 2007
Location: Atlanta NW suburb
Posts: 81
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One of a Kind- Fuel Injected Franklin RV-8
Hi Guys, A friend of mine, Jeff Johnson, has been building a true, one of a kind, Franklin powered RV8 for some time now. I know there has been some interest on this subject, so here are a few details and a link to the first ever engine start. I gotta say, Jeff is an expert craftsman and the motor sounds pretty wicked just at idle. I'm looking forward to his first flight....
www.youtube.com/watch?v=2hAVV9ELTsU&feature=youtube_gdata_player
Details: Franklin Engine -
Reduced in weight down to 304 pounds w/ Accessories
Six cylinder -350 Cu. inches
Custom Fuel injection
Custom Cold Air Induction
Custom Ceramic Coated Three into one headers
Electronic ignition
Custom baffles and Alum. Plenum
Any one that is thinking of doing this, but needs help with fwf details, like a custom bed mount, contact Jeff at 770-655-6713.
More progress will be posted in the future....
Last edited by pilotjt : 08-23-2012 at 10:19 AM.
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08-22-2012, 09:52 AM
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Join Date: Mar 2005
Location: Elkhart, Indiana
Posts: 1,186
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Sounds good, JT. However, I noted that the plane doesn't have any wings yet. How was the engine getting fuel? Just curious ...
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Don McNamara
Peoria, AZ
Builder: RV-8 "Smokey"
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08-22-2012, 09:53 AM
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Join Date: Jan 2010
Location: Destin
Posts: 1,543
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Quote:
Originally Posted by N8RV
Sounds good, JT. However, I noted that the plane doesn't have any wings yet. How was the engine getting fuel? Just curious ...
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i'm guessing he plumbed a temporary fuel tank up |
08-22-2012, 09:59 AM
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Join Date: Apr 2007
Location: Atlanta NW suburb
Posts: 81
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Oh, I forgot to Mention...
N8RV, Great Catch!
I forgot to mention Jeff has a custom Aux tank built into the the aft baggage compartment. He has a little door, similar to a car, on the side of the fuselage for fueling it. Great idea and it can be used to balance the cg for solo flight...
FYI, the tail is tied down to the sewer and the engine never gets to a high rpm.
Last edited by pilotjt : 08-22-2012 at 10:03 AM.
Reason: added details
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08-22-2012, 11:00 AM
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Forum Peruser
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Join Date: Jan 2005
Location: Austinville, Alabama
Posts: 2,455
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There used to be an admonition from the factory to avoid engine starts until the wings are attached, for structural reasons. Was that question asked?
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Don Hull
RV-7 Wings
KDCU Pryor Field
Pilots'n Paws Pilot
N79599/ADS-B In and Out...and I like it! 
?Certainly, travel is more than the seeing of sights;
it is a change that goes on, deep and permanent, in the ideas of living." Miriam Beard
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08-22-2012, 11:19 AM
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Join Date: Jun 2007
Location: palm coast fl.
Posts: 945
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Franlin
Installing a "oddball" engine is a fairly easy task , selling a "oddball " is another story . Just look at the prices of what a 8 with a 320 is listed at, or a Subaru ! There is a 7 for sale with a 540 , lots of interest , no buyers . I am building an 8 , I considered a 540 ( have it for sale in classified ) , even have a 0320 that cost me less than $4500 sitting on a pallet , but to make an 8 have some resale value it needs a 360 lycoming . Save the Franklin for a Breezy or other cool,low and slow plane to build after your RV. That's what my 0320 is for , old age , light sport !
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08-22-2012, 11:26 AM
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Join Date: Oct 2010
Location: La Feria Texas
Posts: 3,822
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Although probably true, many of us build with absolutely no concern of what the sale value will or will not be, those who do should probably just buy a factory made plane.
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08-22-2012, 12:00 PM
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Join Date: Jun 2006
Location: 8I3
Posts: 3,562
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Very cool, nicely done.
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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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08-22-2012, 12:17 PM
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Join Date: Oct 2007
Location: Macon, GA
Posts: 498
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I've thought about it myself. I own (for now) a 47 Stinson 108 with a 150hp Franklin, and that thing is SMOOTH. The 180 hp Franklin would make a GREAT RV powerplant, especially lightened as your friend did. Where is he located? I see you're in N-GA. I'm in Macon.
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Macon, GA (KMCN)
RV-7, Niner Fife Victor
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08-22-2012, 01:03 PM
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Join Date: Aug 2005
Location: Atlanta, GA
Posts: 4,208
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Quote:
Originally Posted by gtmule
I've thought about it myself. I own (for now) a 47 Stinson 108 with a 150hp Franklin, and that thing is SMOOTH. The 180 hp Franklin would make a GREAT RV powerplant, especially lightened as your friend did. Where is he located? I see you're in N-GA. I'm in Macon.
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The airplane and Jeff can be found in the hangar next to mine in Cartersville, GA.
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Kyle Boatright
Marietta, GA
2001 RV-6 N46KB
2019(?) RV-10
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