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08-08-2015, 09:55 AM
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Join Date: Mar 2012
Location: San Diego, CA
Posts: 133
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Franklin 6 cylinder 205-220hp
I am curious if anyone has considered a Franklin 205-220hp for their RV project?
I have a 160hp 320 and I cruise along at 162ktas, however the Franklins are in production and are still pretty affordable and lightweight.
The 220hp version has a dry weight of 297lbs, vs 285 for the 320 and 295 for the 360 and 320 for the IO-360.
There is a company who supposedly is developing a FFWD kit for the 7 with a Franklin:
http://www.franklinengines.com/rv7.cfm
It would be interesting to see how much it would cost, and a Whirlwind C/S prop on top of that and cruise speed could increase by 20-25ktas and climb more than double! |
08-08-2015, 10:05 AM
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Join Date: Jan 2014
Location: Ollon Switzerland
Posts: 78
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Injection?
It seems to be only offered with a carburetor... Not really modern!?  |
08-08-2015, 10:10 AM
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Join Date: Jan 2005
Location: Irvine, CA
Posts: 872
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If I remember correctly, the factory put a Franklin in an RV-8 about 15 years ago. I think they called it "Franklinstein!"
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Mark
RV-12iS Fuselage
RV-9A Project: Sold
VAF donation made for 2020
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08-08-2015, 10:23 AM
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Join Date: May 2006
Location: Houston
Posts: 2,010
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Quote:
Originally Posted by rv9builder
If I remember correctly, the factory put a Franklin in an RV-8 about 15 years ago. I think they called it "Franklinstein!"
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It was the original configuration for the RV-8 prototype.
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Bryan
Houston
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08-08-2015, 11:17 AM
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Join Date: Apr 2007
Location: -
Posts: 501
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I have a fair amount of experience flying behind a Franklin on a Stinson 108. Super smooth, great sound, and *very* easy to start. If parts support is good, I wouldn't hesitate to buy one.
David
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08-08-2015, 11:25 AM
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Join Date: Oct 2005
Posts: 1,516
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The low compression "super smooth" puts out 165 hp.
and the high compression 10:1 220hp PZL produced in Poland is
eh, well.. "not so smooth".
You lose your mogas option on a 10:1 comp engine and you are definitely
limited to carbs or pressure carb.
My friend has about 300 plus hours on his 220hp RV-8 with Ellison throttle body.
He is pretty happy with his choice.
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Ernst Freitag
RV-8 finished (sold)
RV-10 Flyer 600 plus hours
Running on E10 mogas
Don't believe everything you know. 
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08-08-2015, 11:29 AM
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Join Date: Mar 2012
Location: San Diego, CA
Posts: 133
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Franklin
It is only carbureted as far as I know. TBO is 1500, which is reasonable. There is a Velocity at my airport (Ramona, RNM) and he has a either a 205 or 220hp Franklin with a IVOprop, and it is super smooth and very fast. I think he cruises along at 180-190ktas.
I think it would be an interesting option. I did the weight and balance for mine, and I have the longer engine mount, however it falls well within the CG range, although at a slightly higher weight due to engine and C/S prop.
Food for thought..  |
08-08-2015, 11:37 AM
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Join Date: Jan 2005
Location: SC
Posts: 12,887
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A friend built an RV-8 with the Franklin 220 HP engine and loves it!
He is trying to sell it has he currently has an RV-12 and is working on an RV-14.
Contact me, if you are interested.
__________________
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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08-09-2015, 11:10 AM
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Join Date: Jul 2009
Location: Mojave
Posts: 4,642
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At first glance, the 220 Franklin seems like a good choice for the -14. Light, inexpensive, and high power.
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WARNING! Incorrect design and/or fabrication of aircraft and/or components may result in injury or death. Information presented in this post is based on my own experience - Reader has sole responsibility for determining accuracy or suitability for use.
Michael Robinson
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Harmon Rocket II -SDS EFI
RV-8 - SDS CPI
1940 Taylorcraft BL-65
1984 L39C
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08-09-2015, 01:52 PM
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Join Date: Jun 2007
Location: palm coast fl.
Posts: 945
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Franklin
Quote:
Originally Posted by Toobuilder
At first glance, the 220 Franklin seems like a good choice for the -14. Light, inexpensive, and high power.
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At a second glance not so much . We had a Kit Fox wth a Franklin at the airport last year . Full of issues with piston fit , leakage , overheating , after 40 hours it was removed . Not sure what it was replaced with .
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Rv8
N 666 TA
First Flight 2-3-2015 🚀
2017 donation paid
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